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merge id2t_2_artifacts_fixes branch

aidmar.wainakh 5 years ago
parent
commit
8547eb372d

+ 1 - 1
LICENSE.md

@@ -1,4 +1,4 @@
-Copyright (c) 2016: Emmanouil Vasilomanolakis, Carlos Garcia
+Copyright (c) 2017: Emmanouil Vasilomanolakis, Carlos Garcia
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 

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+ 3 - 3
README.md


+ 4 - 0
code/Attack/BaseAttack.py

@@ -46,7 +46,11 @@ class BaseAttack(metaclass=ABCMeta):
     def set_statistics(self, statistics):
         """
         Specify the statistics object that will be used to calculate the parameters of this attack.
+<<<<<<< HEAD
         The statistics are used to calculate default parameters and to process user supplied
+=======
+        The statistics are used to calculate default parameters and to process user supplied 
+>>>>>>> 48c729f6dbfeb1e2670c762729090a48d5f0b490
         queries.
 
         :param statistics: Reference to a statistics object.

+ 627 - 0
code/Attack/BaseAttack_BACKUP_2866.py

@@ -0,0 +1,627 @@
+import socket
+import sys
+import ipaddress
+import os
+import random
+import re
+import tempfile
+from abc import abstractmethod, ABCMeta
+from scapy.layers.inet import Ether
+import numpy as np
+
+import ID2TLib.libpcapreader as pr
+from scapy.utils import PcapWriter
+
+from Attack import AttackParameters
+from Attack.AttackParameters import Parameter
+from Attack.AttackParameters import ParameterTypes
+
+
+class BaseAttack(metaclass=ABCMeta):
+    """
+    Abstract base class for all attack classes. Provides basic functionalities, like parameter validation.
+    """
+
+    def __init__(self, name, description, attack_type):
+        """
+        To be called within the individual attack class to initialize the required parameters.
+
+        :param statistics: A reference to the Statistics class.
+        :param name: The name of the attack class.
+        :param description: A short description of the attack.
+        :param attack_type: The type the attack belongs to, like probing/scanning, malware.
+        """
+        # Reference to statistics class
+        self.statistics = None
+
+        # Class fields
+        self.attack_name = name
+        self.attack_description = description
+        self.attack_type = attack_type
+        self.params = {}
+        self.supported_params = {}
+        self.attack_start_utime = 0
+        self.attack_end_utime = 0
+
+    def set_statistics(self, statistics):
+        """
+        Specify the statistics object that will be used to calculate the parameters of this attack.
+<<<<<<< HEAD
+        The statistics are used to calculate default parameters and to process user supplied
+=======
+        The statistics are used to calculate default parameters and to process user supplied 
+>>>>>>> 48c729f6dbfeb1e2670c762729090a48d5f0b490
+        queries.
+
+        :param statistics: Reference to a statistics object.
+        """
+        self.statistics = statistics
+
+    @abstractmethod
+    def init_params(self):
+        """
+        Initialize all required parameters taking into account user supplied values. If no value is supplied,
+        or if a user defined query is supplied, use a statistics object to do the calculations.
+        A call to this function requires a call to 'set_statistics' first.
+        """
+        pass
+
+    @abstractmethod
+    def generate_attack_pcap(self):
+        """
+        Creates a pcap containing the attack packets.
+
+        :return: The location of the generated pcap file.
+        """
+        pass
+
+    ################################################
+    # HELPER VALIDATION METHODS
+    # Used to validate the given parameter values
+    ################################################
+
+    @staticmethod
+    def _is_mac_address(mac_address: str):
+        """
+        Verifies if the given string is a valid MAC address. Accepts the formats 00:80:41:ae:fd:7e and 00-80-41-ae-fd-7e.
+
+        :param mac_address: The MAC address as string.
+        :return: True if the MAC address is valid, otherwise False.
+        """
+        pattern = re.compile('^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$', re.MULTILINE)
+        if isinstance(mac_address, list):
+            for mac in mac_address:
+                if re.match(pattern, mac) is None:
+                    return False
+        else:
+            if re.match(pattern, mac_address) is None:
+                return False
+
+        return True
+
+    @staticmethod
+    def _is_ip_address(ip_address: str):
+        """
+        Verifies that the given string or list of IP addresses (strings) is a valid IPv4/IPv6 address.
+        Accepts comma-separated lists of IP addresses, like "192.169.178.1, 192.168.178.2"
+
+        :param ip_address: The IP address(es) as list of strings or comma-separated string.
+        :return: True if all IP addresses are valid, otherwise False. And a list of IP addresses as string.
+        """
+        ip_address_output = []
+
+        # a comma-separated list of IP addresses must be splitted first
+        if isinstance(ip_address, str):
+            ip_address = ip_address.split(',')
+
+        for ip in ip_address:
+            try:
+                ipaddress.ip_address(ip)
+                ip_address_output.append(ip)
+            except ValueError:
+                return False, ip_address_output
+
+        if len(ip_address_output) == 1:
+            return True, ip_address_output[0]
+        else:
+            return True, ip_address_output
+
+    @staticmethod
+    def _is_port(ports_input: str):
+        """
+        Verifies if the given value is a valid port. Accepts port ranges, like 80-90, 80..99, 80...99.
+
+        :param ports_input: The port number as int or string.
+        :return: True if the port number is valid, otherwise False. If a single port or a comma-separated list of ports
+        was given, a list of int is returned. If a port range was given, the range is resolved
+        and a list of int is returned.
+        """
+
+        def _is_invalid_port(num):
+            """
+            Checks whether the port number is invalid.
+
+            :param num: The port number as int.
+            :return: True if the port number is invalid, otherwise False.
+            """
+            return num < 1 or num > 65535
+
+        if isinstance(ports_input, str):
+            ports_input = ports_input.replace(' ', '').split(',')
+        elif isinstance(ports_input, int):
+            ports_input = [ports_input]
+
+        ports_output = []
+
+        for port_entry in ports_input:
+            if isinstance(port_entry, int):
+                if _is_invalid_port(port_entry):
+                    return False
+                ports_output.append(port_entry)
+            elif isinstance(port_entry, str) and port_entry.isdigit():
+                # port_entry describes a single port
+                port_entry = int(port_entry)
+                if _is_invalid_port(port_entry):
+                    return False
+                ports_output.append(port_entry)
+            elif '-' in port_entry or '..' in port_entry:
+                # port_entry describes a port range
+                # allowed format: '1-49151', '1..49151', '1...49151'
+                match = re.match('^([0-9]{1,5})(?:-|\.{2,3})([0-9]{1,5})$', port_entry)
+                # check validity of port range
+                # and create list of ports derived from given start and end port
+                (port_start, port_end) = int(match.group(1)), int(match.group(2))
+                if _is_invalid_port(port_start) or _is_invalid_port(port_end):
+                    return False
+                else:
+                    ports_list = [i for i in range(port_start, port_end + 1)]
+                # append ports at ports_output list
+                ports_output += ports_list
+
+        if len(ports_output) == 1:
+            return True, ports_output[0]
+        else:
+            return True, ports_output
+
+    @staticmethod
+    def _is_timestamp(timestamp: str):
+        """
+        Checks whether the given value is in a valid timestamp format. The accepted format is:
+        YYYY-MM-DD h:m:s, whereas h, m, s may be one or two digits.
+
+        :param timestamp: The timestamp to be checked.
+        :return: True if the timestamp is valid, otherwise False.
+        """
+        is_valid = re.match('[0-9]{4}(?:-[0-9]{1,2}){2} (?:[0-9]{1,2}:){2}[0-9]{1,2}', timestamp)
+        return is_valid is not None
+
+    @staticmethod
+    def _is_boolean(value):
+        """
+        Checks whether the given value (string or bool) is a boolean. Strings are valid booleans if they are in:
+        {y, yes, t, true, on, 1, n, no, f, false, off, 0}.
+
+        :param value: The value to be checked.
+        :return: True if the value is a boolean, otherwise false. And the casted boolean.
+        """
+        # If value is already a boolean
+        if isinstance(value, bool):
+            return True, value
+
+        # If value is a string
+        # True values are y, yes, t, true, on and 1;
+        # False values are n, no, f, false, off and 0.
+        # Raises ValueError if value is anything else.
+        try:
+            import distutils.core
+            value = distutils.util.strtobool(value.lower())
+            is_bool = True
+        except ValueError:
+            is_bool = False
+        return is_bool, value
+
+    @staticmethod
+    def _is_float(value):
+        """
+        Checks whether the given value is a float.
+
+        :param value: The value to be checked.
+        :return: True if the value is a float, otherwise False. And the casted float.
+        """
+        try:
+            value = float(value)
+            return True, value
+        except ValueError:
+            return False, value
+
+    # Aidmar
+    @staticmethod
+    def _is_domain(val: str):
+        """
+        Verifies that the given string is a valid URI.
+
+        :param uri: The URI as string.
+        :return: True if URI is valid, otherwise False.
+        """
+        domain = re.match('^(?:[a-zA-Z]|[0-9]|[$-_@.&+]|[!*\(\),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+$', val)
+        return (domain is not None)
+
+
+    #########################################
+    # HELPER METHODS
+    #########################################
+
+    def add_param_value(self, param, value):
+        """
+        Adds the pair param : value to the dictionary of attack parameters. Prints and error message and skips the
+        parameter if the validation fails.
+
+        :param stats: Statistics used to calculate user queries or default values.
+        :param param: Name of the parameter that we wish to modify.
+        :param value: The value we wish to assign to the specifried parameter.
+        :return: None.
+        """
+        # This function call is valid only if there is a statistics object available.
+        if self.statistics is None:
+            print('Error: Attack parameter added without setting a statistics object first.')
+            exit(1)
+
+        # by default no param is valid
+        is_valid = False
+
+        # get AttackParameters instance associated with param
+        # for default values assigned in attack classes, like Parameter.PORT_OPEN
+        if isinstance(param, AttackParameters.Parameter):
+            param_name = param
+        # for values given by user input, like port.open
+        else:
+            # Get Enum key of given string identifier
+            param_name = AttackParameters.Parameter(param)
+
+        # Get parameter type of attack's required_params
+        param_type = self.supported_params.get(param_name)
+
+        # Verify validity of given value with respect to parameter type
+        if param_type is None:
+            print('Parameter ' + str(param_name) + ' not available for chosen attack. Skipping parameter.')
+
+        # If value is query -> get value from database
+        elif self.statistics.is_query(value):
+            value = self.statistics.process_db_query(value, False)
+            if value is not None and value is not "":
+                is_valid = True
+            else:
+                print('Error in given parameter value: ' + value + '. Data could not be retrieved.')
+
+        # Validate parameter depending on parameter's type
+        elif param_type == ParameterTypes.TYPE_IP_ADDRESS:
+            is_valid, value = self._is_ip_address(value)
+        elif param_type == ParameterTypes.TYPE_PORT:
+            is_valid, value = self._is_port(value)
+        elif param_type == ParameterTypes.TYPE_MAC_ADDRESS:
+            is_valid = self._is_mac_address(value)
+        elif param_type == ParameterTypes.TYPE_INTEGER_POSITIVE:
+            if isinstance(value, int) and int(value) >= 0:
+                is_valid = True
+            elif isinstance(value, str) and value.isdigit() and int(value) >= 0:
+                is_valid = True
+                value = int(value)
+        elif param_type == ParameterTypes.TYPE_FLOAT:
+            is_valid, value = self._is_float(value)
+            # this is required to avoid that the timestamp's microseconds of the first attack packet is '000000'
+            # but microseconds are only chosen randomly if the given parameter does not already specify it
+            # e.g. inject.at-timestamp=123456.987654 -> is not changed
+            # e.g. inject.at-timestamp=123456 -> is changed to: 123456.[random digits]
+            if param_name == Parameter.INJECT_AT_TIMESTAMP and is_valid and ((value - int(value)) == 0):
+                value = value + random.uniform(0, 0.999999)
+        elif param_type == ParameterTypes.TYPE_TIMESTAMP:
+            is_valid = self._is_timestamp(value)
+        elif param_type == ParameterTypes.TYPE_BOOLEAN:
+            is_valid, value = self._is_boolean(value)
+        elif param_type == ParameterTypes.TYPE_PACKET_POSITION:
+            ts = pr.pcap_processor(self.statistics.pcap_filepath, "False").get_timestamp_mu_sec(int(value))
+            if 0 <= int(value) <= self.statistics.get_packet_count() and ts >= 0:
+                is_valid = True
+                param_name = Parameter.INJECT_AT_TIMESTAMP
+                value = (ts / 1000000)  # convert microseconds from getTimestampMuSec into seconds
+        # Aidmar
+        elif param_type == ParameterTypes.TYPE_DOMAIN:
+            is_valid = self._is_domain(value)
+
+        # add value iff validation was successful
+        if is_valid:
+            self.params[param_name] = value
+        else:
+            print("ERROR: Parameter " + str(param) + " or parameter value " + str(value) +
+                  " not valid. Skipping parameter.")
+
+    def get_param_value(self, param: Parameter):
+        """
+        Returns the parameter value for a given parameter.
+
+        :param param: The parameter whose value is wanted.
+        :return: The parameter's value.
+        """
+        return self.params.get(param)
+
+    def check_parameters(self):
+        """
+        Checks whether all parameter values are defined. If a value is not defined, the application is terminated.
+        However, this should not happen as all attack should define default parameter values.
+        """
+        # parameters which do not require default values
+        non_obligatory_params = [Parameter.INJECT_AFTER_PACKET, Parameter.NUMBER_ATTACKERS]
+        for param, type in self.supported_params.items():
+            # checks whether all params have assigned values, INJECT_AFTER_PACKET must not be considered because the
+            # timestamp derived from it is set to Parameter.INJECT_AT_TIMESTAMP
+            if param not in self.params.keys() and param not in non_obligatory_params:
+                print("\033[91mCRITICAL ERROR: Attack '" + self.attack_name + "' does not define the parameter '" +
+                      str(param) + "'.\n The attack must define default values for all parameters."
+                      + "\n Cannot continue attack generation.\033[0m")
+                import sys
+                sys.exit(0)
+
+    def write_attack_pcap(self, packets: list, append_flag: bool = False, destination_path: str = None):
+        """
+        Writes the attack's packets into a PCAP file with a temporary filename.
+        :return: The path of the written PCAP file.
+        """
+        # Only check params initially when attack generation starts
+        if append_flag is False and destination_path is None:
+            # Check if all req. parameters are set
+            self.check_parameters()
+
+        # Determine destination path
+        if destination_path is not None and os.path.exists(destination_path):
+            destination = destination_path
+        else:
+            temp_file = tempfile.NamedTemporaryFile(delete=False, suffix='.pcap')
+            destination = temp_file.name
+
+        # Write packets into pcap file
+        pktdump = PcapWriter(destination, append=append_flag)
+        pktdump.write(packets)
+
+        # Store pcap path and close file objects
+        pktdump.close()
+
+        return destination
+
+    #########################################
+    # RANDOM IP/MAC ADDRESS GENERATORS
+    #########################################
+
+    @staticmethod
+    def generate_random_ipv4_address(ipClass, n: int = 1):
+        """
+        Generates n random IPv4 addresses.
+        :param n: The number of IP addresses to be generated
+        :return: A single IP address, or if n>1, a list of IP addresses
+        """
+
+        def is_invalid(ipAddress: ipaddress.IPv4Address):
+            return ipAddress.is_multicast or ipAddress.is_unspecified or ipAddress.is_loopback or \
+                   ipAddress.is_link_local or ipAddress.is_reserved or ipAddress.is_private
+
+        # Aidmar - generate a random IP from specific class
+        def generate_address(ipClass):
+            if ipClass == "Unknown":
+                return ipaddress.IPv4Address(random.randint(0, 2 ** 32 - 1))
+            else:
+                # For DDoS attack, we do not generate private IPs
+                if "private" in ipClass:
+                    ipClass = ipClass[0] # convert A-private to A
+                ipClassesByte1 = {"A": {1,126}, "B": {128,191}, "C":{192, 223}, "D":{224, 239}, "E":{240, 254}}
+                temp = list(ipClassesByte1[ipClass])
+                minB1 = temp[0]
+                maxB1 = temp[1]
+                b1 = random.randint(minB1, maxB1)
+                b2 = random.randint(1, 255)
+                b3 = random.randint(1, 255)
+                b4 = random.randint(1, 255)
+
+                ipAddress = ipaddress.IPv4Address(str(b1) +"."+ str(b2) + "." + str(b3) + "." + str(b4))
+
+            return ipAddress
+
+
+        ip_addresses = []
+        for i in range(0, n):
+            address = generate_address(ipClass)
+            while is_invalid(address):
+                address = generate_address(ipClass)
+            ip_addresses.append(str(address))
+
+        if n == 1:
+            return ip_addresses[0]
+        else:
+            return ip_addresses
+
+    @staticmethod
+    def generate_random_ipv6_address(n: int = 1):
+        """
+        Generates n random IPv6 addresses.
+        :param n: The number of IP addresses to be generated
+        :return: A single IP address, or if n>1, a list of IP addresses
+        """
+
+        def is_invalid(ipAddress: ipaddress.IPv6Address):
+            return ipAddress.is_multicast or ipAddress.is_unspecified or ipAddress.is_loopback or \
+                   ipAddress.is_link_local or ipAddress.is_private or ipAddress.is_reserved
+
+        def generate_address():
+            return ipaddress.IPv6Address(random.randint(0, 2 ** 128 - 1))
+
+        ip_addresses = []
+        for i in range(0, n):
+            address = generate_address()
+            while is_invalid(address):
+                address = generate_address()
+            ip_addresses.append(str(address))
+
+        if n == 1:
+            return ip_addresses[0]
+        else:
+            return ip_addresses
+
+    @staticmethod
+    def generate_random_mac_address(n: int = 1):
+        """
+        Generates n random MAC addresses.
+        :param n: The number of MAC addresses to be generated.
+        :return: A single MAC addres, or if n>1, a list of MAC addresses
+        """
+
+        def is_invalid(address: str):
+            first_octet = int(address[0:2], 16)
+            is_multicast_address = bool(first_octet & 0b01)
+            is_locally_administered = bool(first_octet & 0b10)
+            return is_multicast_address or is_locally_administered
+
+        def generate_address():
+            mac = [random.randint(0x00, 0xff) for i in range(0, 6)]
+            return ':'.join(map(lambda x: "%02x" % x, mac))
+
+        mac_addresses = []
+        for i in range(0, n):
+            address = generate_address()
+            while is_invalid(address):
+                address = generate_address()
+            mac_addresses.append(address)
+
+        if n == 1:
+            return mac_addresses[0]
+        else:
+            return mac_addresses
+
+    # Aidmar
+    def get_reply_delay(self, ip_dst):
+        """
+           Gets the minimum and the maximum reply delay for all the connections of a specific IP.
+           :param ip_dst: The IP to reterive its reply delay.
+           :return minDelay: minimum delay
+           :return maxDelay: maximum delay
+
+           """
+        result = self.statistics.process_db_query(
+            "SELECT AVG(minDelay), AVG(maxDelay) FROM conv_statistics WHERE ipAddressB='6.6.6.6';") #" + ip_dst + "';")
+        if result[0][0] and result[0][1]:
+            minDelay = result[0][0]
+            maxDelay = result[0][1]
+        else:
+            allMinDelays = self.statistics.process_db_query("SELECT minDelay FROM conv_statistics LIMIT 500;")
+            minDelay = np.median(allMinDelays)
+            allMaxDelays = self.statistics.process_db_query("SELECT maxDelay FROM conv_statistics LIMIT 500;")
+            maxDelay = np.median(allMaxDelays)
+        minDelay = int(minDelay) * 10 ** -6  # convert from micro to seconds
+        maxDelay = int(maxDelay) * 10 ** -6
+        return minDelay, maxDelay
+
+    # Group the packets in conversations
+    def packetsToConvs(self,exploit_raw_packets):
+        """
+           Classifies a bunch of packets to conversations groups. A conversation is a set of packets go between host A (IP,port)
+           to host B (IP,port)
+           :param exploit_raw_packets: A set of packets contains several conversations.
+           :return conversations: A set of arrays, each array contains the packet of specifc conversation
+           :return orderList_conversations: An array contains the conversations ids (IP_A,port_A, IP_b,port_B) in the order
+           they appeared in the original packets.
+           """
+        conversations = {}
+        orderList_conversations = []
+        for pkt_num, pkt in enumerate(exploit_raw_packets):
+            eth_frame = Ether(pkt[0])
+
+            ip_pkt = eth_frame.payload
+            ip_dst = ip_pkt.getfieldval("dst")
+            ip_src = ip_pkt.getfieldval("src")
+
+            tcp_pkt = ip_pkt.payload
+            port_dst = tcp_pkt.getfieldval("dport")
+            port_src = tcp_pkt.getfieldval("sport")
+
+            conv_req = (ip_src, port_src, ip_dst, port_dst)
+            conv_rep = (ip_dst, port_dst, ip_src, port_src)
+            if conv_req not in conversations and conv_rep not in conversations:
+                pktList = [pkt]
+                conversations[conv_req] = pktList
+                # Order list of conv
+                orderList_conversations.append(conv_req)
+            else:
+                if conv_req in conversations:
+                    pktList = conversations[conv_req]
+                    pktList.append(pkt)
+                    conversations[conv_req] = pktList
+                else:
+                    pktList = conversations[conv_rep]
+                    pktList.append(pkt)
+                    conversations[conv_rep] = pktList
+        return (conversations, orderList_conversations)
+
+
+    def is_valid_ip_address(self,addr):
+        """
+        Checks if the IP address family is supported.
+
+        :param addr: IP address to be checked.
+        :return: Boolean
+        """
+        try:
+            socket.inet_aton(addr)
+            return True
+        except socket.error:
+            return False
+
+    def ip_src_dst_equal_check(self, ip_source, ip_destination):
+        """
+        Checks if the source IP and destination IP are equal.
+
+        :param ip_source: source IP address.
+        :param ip_destination: destination IP address.
+        """
+        equal = False
+        if isinstance(ip_source, list):
+            if ip_destination in ip_source:
+                equal = True
+        else:
+            if ip_source == ip_destination:
+                equal = True
+        if equal:
+            print("\nERROR: Invalid IP addresses; source IP is the same as destination IP: " + ip_source + ".")
+            sys.exit(0)
+
+
+    def get_inter_arrival_time_dist(self, packets):
+        timeSteps = []
+        prvsPktTime = 0
+        for index, pkt in enumerate(packets):
+            eth_frame = Ether(pkt[0])
+            if index == 0:
+                prvsPktTime = eth_frame.time
+            else:
+                timeSteps.append(eth_frame.time - prvsPktTime)
+                prvsPktTime = eth_frame.time
+
+        import numpy as np
+        freq,values = np.histogram(timeSteps,bins=20)
+        dict = {}
+        for i,val in enumerate(values):
+            if i < len(freq):
+                dict[str(val)] = freq[i]
+        return dict
+
+    def clean_white_spaces(self, str):
+        str = str.replace("\\n", "\n")
+        str = str.replace("\\r", "\r")
+        str = str.replace("\\t", "\t")
+        str = str.replace("\\\'", "\'")
+        return str
+
+    def modify_payload(self,str_tcp_seg, orig_target_uri, target_uri, orig_ip_dst, target_host):
+        if len(str_tcp_seg) > 0:
+            # convert payload bytes to str => str = "b'..\\r\\n..'"
+            str_tcp_seg = str_tcp_seg[2:-1]
+            str_tcp_seg = str_tcp_seg.replace(orig_target_uri, target_uri)
+            str_tcp_seg = str_tcp_seg.replace(orig_ip_dst, target_host)
+            str_tcp_seg = self.clean_white_spaces(str_tcp_seg)
+        return str_tcp_seg

+ 627 - 0
code/Attack/BaseAttack_BACKUP_3007.py

@@ -0,0 +1,627 @@
+import socket
+import sys
+import ipaddress
+import os
+import random
+import re
+import tempfile
+from abc import abstractmethod, ABCMeta
+from scapy.layers.inet import Ether
+import numpy as np
+
+import ID2TLib.libpcapreader as pr
+from scapy.utils import PcapWriter
+
+from Attack import AttackParameters
+from Attack.AttackParameters import Parameter
+from Attack.AttackParameters import ParameterTypes
+
+
+class BaseAttack(metaclass=ABCMeta):
+    """
+    Abstract base class for all attack classes. Provides basic functionalities, like parameter validation.
+    """
+
+    def __init__(self, name, description, attack_type):
+        """
+        To be called within the individual attack class to initialize the required parameters.
+
+        :param statistics: A reference to the Statistics class.
+        :param name: The name of the attack class.
+        :param description: A short description of the attack.
+        :param attack_type: The type the attack belongs to, like probing/scanning, malware.
+        """
+        # Reference to statistics class
+        self.statistics = None
+
+        # Class fields
+        self.attack_name = name
+        self.attack_description = description
+        self.attack_type = attack_type
+        self.params = {}
+        self.supported_params = {}
+        self.attack_start_utime = 0
+        self.attack_end_utime = 0
+
+    def set_statistics(self, statistics):
+        """
+        Specify the statistics object that will be used to calculate the parameters of this attack.
+<<<<<<< HEAD
+        The statistics are used to calculate default parameters and to process user supplied
+=======
+        The statistics are used to calculate default parameters and to process user supplied 
+>>>>>>> 48c729f6dbfeb1e2670c762729090a48d5f0b490
+        queries.
+
+        :param statistics: Reference to a statistics object.
+        """
+        self.statistics = statistics
+
+    @abstractmethod
+    def init_params(self):
+        """
+        Initialize all required parameters taking into account user supplied values. If no value is supplied,
+        or if a user defined query is supplied, use a statistics object to do the calculations.
+        A call to this function requires a call to 'set_statistics' first.
+        """
+        pass
+
+    @abstractmethod
+    def generate_attack_pcap(self):
+        """
+        Creates a pcap containing the attack packets.
+
+        :return: The location of the generated pcap file.
+        """
+        pass
+
+    ################################################
+    # HELPER VALIDATION METHODS
+    # Used to validate the given parameter values
+    ################################################
+
+    @staticmethod
+    def _is_mac_address(mac_address: str):
+        """
+        Verifies if the given string is a valid MAC address. Accepts the formats 00:80:41:ae:fd:7e and 00-80-41-ae-fd-7e.
+
+        :param mac_address: The MAC address as string.
+        :return: True if the MAC address is valid, otherwise False.
+        """
+        pattern = re.compile('^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$', re.MULTILINE)
+        if isinstance(mac_address, list):
+            for mac in mac_address:
+                if re.match(pattern, mac) is None:
+                    return False
+        else:
+            if re.match(pattern, mac_address) is None:
+                return False
+
+        return True
+
+    @staticmethod
+    def _is_ip_address(ip_address: str):
+        """
+        Verifies that the given string or list of IP addresses (strings) is a valid IPv4/IPv6 address.
+        Accepts comma-separated lists of IP addresses, like "192.169.178.1, 192.168.178.2"
+
+        :param ip_address: The IP address(es) as list of strings or comma-separated string.
+        :return: True if all IP addresses are valid, otherwise False. And a list of IP addresses as string.
+        """
+        ip_address_output = []
+
+        # a comma-separated list of IP addresses must be splitted first
+        if isinstance(ip_address, str):
+            ip_address = ip_address.split(',')
+
+        for ip in ip_address:
+            try:
+                ipaddress.ip_address(ip)
+                ip_address_output.append(ip)
+            except ValueError:
+                return False, ip_address_output
+
+        if len(ip_address_output) == 1:
+            return True, ip_address_output[0]
+        else:
+            return True, ip_address_output
+
+    @staticmethod
+    def _is_port(ports_input: str):
+        """
+        Verifies if the given value is a valid port. Accepts port ranges, like 80-90, 80..99, 80...99.
+
+        :param ports_input: The port number as int or string.
+        :return: True if the port number is valid, otherwise False. If a single port or a comma-separated list of ports
+        was given, a list of int is returned. If a port range was given, the range is resolved
+        and a list of int is returned.
+        """
+
+        def _is_invalid_port(num):
+            """
+            Checks whether the port number is invalid.
+
+            :param num: The port number as int.
+            :return: True if the port number is invalid, otherwise False.
+            """
+            return num < 1 or num > 65535
+
+        if isinstance(ports_input, str):
+            ports_input = ports_input.replace(' ', '').split(',')
+        elif isinstance(ports_input, int):
+            ports_input = [ports_input]
+
+        ports_output = []
+
+        for port_entry in ports_input:
+            if isinstance(port_entry, int):
+                if _is_invalid_port(port_entry):
+                    return False
+                ports_output.append(port_entry)
+            elif isinstance(port_entry, str) and port_entry.isdigit():
+                # port_entry describes a single port
+                port_entry = int(port_entry)
+                if _is_invalid_port(port_entry):
+                    return False
+                ports_output.append(port_entry)
+            elif '-' in port_entry or '..' in port_entry:
+                # port_entry describes a port range
+                # allowed format: '1-49151', '1..49151', '1...49151'
+                match = re.match('^([0-9]{1,5})(?:-|\.{2,3})([0-9]{1,5})$', port_entry)
+                # check validity of port range
+                # and create list of ports derived from given start and end port
+                (port_start, port_end) = int(match.group(1)), int(match.group(2))
+                if _is_invalid_port(port_start) or _is_invalid_port(port_end):
+                    return False
+                else:
+                    ports_list = [i for i in range(port_start, port_end + 1)]
+                # append ports at ports_output list
+                ports_output += ports_list
+
+        if len(ports_output) == 1:
+            return True, ports_output[0]
+        else:
+            return True, ports_output
+
+    @staticmethod
+    def _is_timestamp(timestamp: str):
+        """
+        Checks whether the given value is in a valid timestamp format. The accepted format is:
+        YYYY-MM-DD h:m:s, whereas h, m, s may be one or two digits.
+
+        :param timestamp: The timestamp to be checked.
+        :return: True if the timestamp is valid, otherwise False.
+        """
+        is_valid = re.match('[0-9]{4}(?:-[0-9]{1,2}){2} (?:[0-9]{1,2}:){2}[0-9]{1,2}', timestamp)
+        return is_valid is not None
+
+    @staticmethod
+    def _is_boolean(value):
+        """
+        Checks whether the given value (string or bool) is a boolean. Strings are valid booleans if they are in:
+        {y, yes, t, true, on, 1, n, no, f, false, off, 0}.
+
+        :param value: The value to be checked.
+        :return: True if the value is a boolean, otherwise false. And the casted boolean.
+        """
+        # If value is already a boolean
+        if isinstance(value, bool):
+            return True, value
+
+        # If value is a string
+        # True values are y, yes, t, true, on and 1;
+        # False values are n, no, f, false, off and 0.
+        # Raises ValueError if value is anything else.
+        try:
+            import distutils.core
+            value = distutils.util.strtobool(value.lower())
+            is_bool = True
+        except ValueError:
+            is_bool = False
+        return is_bool, value
+
+    @staticmethod
+    def _is_float(value):
+        """
+        Checks whether the given value is a float.
+
+        :param value: The value to be checked.
+        :return: True if the value is a float, otherwise False. And the casted float.
+        """
+        try:
+            value = float(value)
+            return True, value
+        except ValueError:
+            return False, value
+
+    # Aidmar
+    @staticmethod
+    def _is_domain(val: str):
+        """
+        Verifies that the given string is a valid URI.
+
+        :param uri: The URI as string.
+        :return: True if URI is valid, otherwise False.
+        """
+        domain = re.match('^(?:[a-zA-Z]|[0-9]|[$-_@.&+]|[!*\(\),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+$', val)
+        return (domain is not None)
+
+
+    #########################################
+    # HELPER METHODS
+    #########################################
+
+    def add_param_value(self, param, value):
+        """
+        Adds the pair param : value to the dictionary of attack parameters. Prints and error message and skips the
+        parameter if the validation fails.
+
+        :param stats: Statistics used to calculate user queries or default values.
+        :param param: Name of the parameter that we wish to modify.
+        :param value: The value we wish to assign to the specifried parameter.
+        :return: None.
+        """
+        # This function call is valid only if there is a statistics object available.
+        if self.statistics is None:
+            print('Error: Attack parameter added without setting a statistics object first.')
+            exit(1)
+
+        # by default no param is valid
+        is_valid = False
+
+        # get AttackParameters instance associated with param
+        # for default values assigned in attack classes, like Parameter.PORT_OPEN
+        if isinstance(param, AttackParameters.Parameter):
+            param_name = param
+        # for values given by user input, like port.open
+        else:
+            # Get Enum key of given string identifier
+            param_name = AttackParameters.Parameter(param)
+
+        # Get parameter type of attack's required_params
+        param_type = self.supported_params.get(param_name)
+
+        # Verify validity of given value with respect to parameter type
+        if param_type is None:
+            print('Parameter ' + str(param_name) + ' not available for chosen attack. Skipping parameter.')
+
+        # If value is query -> get value from database
+        elif self.statistics.is_query(value):
+            value = self.statistics.process_db_query(value, False)
+            if value is not None and value is not "":
+                is_valid = True
+            else:
+                print('Error in given parameter value: ' + value + '. Data could not be retrieved.')
+
+        # Validate parameter depending on parameter's type
+        elif param_type == ParameterTypes.TYPE_IP_ADDRESS:
+            is_valid, value = self._is_ip_address(value)
+        elif param_type == ParameterTypes.TYPE_PORT:
+            is_valid, value = self._is_port(value)
+        elif param_type == ParameterTypes.TYPE_MAC_ADDRESS:
+            is_valid = self._is_mac_address(value)
+        elif param_type == ParameterTypes.TYPE_INTEGER_POSITIVE:
+            if isinstance(value, int) and int(value) >= 0:
+                is_valid = True
+            elif isinstance(value, str) and value.isdigit() and int(value) >= 0:
+                is_valid = True
+                value = int(value)
+        elif param_type == ParameterTypes.TYPE_FLOAT:
+            is_valid, value = self._is_float(value)
+            # this is required to avoid that the timestamp's microseconds of the first attack packet is '000000'
+            # but microseconds are only chosen randomly if the given parameter does not already specify it
+            # e.g. inject.at-timestamp=123456.987654 -> is not changed
+            # e.g. inject.at-timestamp=123456 -> is changed to: 123456.[random digits]
+            if param_name == Parameter.INJECT_AT_TIMESTAMP and is_valid and ((value - int(value)) == 0):
+                value = value + random.uniform(0, 0.999999)
+        elif param_type == ParameterTypes.TYPE_TIMESTAMP:
+            is_valid = self._is_timestamp(value)
+        elif param_type == ParameterTypes.TYPE_BOOLEAN:
+            is_valid, value = self._is_boolean(value)
+        elif param_type == ParameterTypes.TYPE_PACKET_POSITION:
+            ts = pr.pcap_processor(self.statistics.pcap_filepath, "False").get_timestamp_mu_sec(int(value))
+            if 0 <= int(value) <= self.statistics.get_packet_count() and ts >= 0:
+                is_valid = True
+                param_name = Parameter.INJECT_AT_TIMESTAMP
+                value = (ts / 1000000)  # convert microseconds from getTimestampMuSec into seconds
+        # Aidmar
+        elif param_type == ParameterTypes.TYPE_DOMAIN:
+            is_valid = self._is_domain(value)
+
+        # add value iff validation was successful
+        if is_valid:
+            self.params[param_name] = value
+        else:
+            print("ERROR: Parameter " + str(param) + " or parameter value " + str(value) +
+                  " not valid. Skipping parameter.")
+
+    def get_param_value(self, param: Parameter):
+        """
+        Returns the parameter value for a given parameter.
+
+        :param param: The parameter whose value is wanted.
+        :return: The parameter's value.
+        """
+        return self.params.get(param)
+
+    def check_parameters(self):
+        """
+        Checks whether all parameter values are defined. If a value is not defined, the application is terminated.
+        However, this should not happen as all attack should define default parameter values.
+        """
+        # parameters which do not require default values
+        non_obligatory_params = [Parameter.INJECT_AFTER_PACKET, Parameter.NUMBER_ATTACKERS]
+        for param, type in self.supported_params.items():
+            # checks whether all params have assigned values, INJECT_AFTER_PACKET must not be considered because the
+            # timestamp derived from it is set to Parameter.INJECT_AT_TIMESTAMP
+            if param not in self.params.keys() and param not in non_obligatory_params:
+                print("\033[91mCRITICAL ERROR: Attack '" + self.attack_name + "' does not define the parameter '" +
+                      str(param) + "'.\n The attack must define default values for all parameters."
+                      + "\n Cannot continue attack generation.\033[0m")
+                import sys
+                sys.exit(0)
+
+    def write_attack_pcap(self, packets: list, append_flag: bool = False, destination_path: str = None):
+        """
+        Writes the attack's packets into a PCAP file with a temporary filename.
+        :return: The path of the written PCAP file.
+        """
+        # Only check params initially when attack generation starts
+        if append_flag is False and destination_path is None:
+            # Check if all req. parameters are set
+            self.check_parameters()
+
+        # Determine destination path
+        if destination_path is not None and os.path.exists(destination_path):
+            destination = destination_path
+        else:
+            temp_file = tempfile.NamedTemporaryFile(delete=False, suffix='.pcap')
+            destination = temp_file.name
+
+        # Write packets into pcap file
+        pktdump = PcapWriter(destination, append=append_flag)
+        pktdump.write(packets)
+
+        # Store pcap path and close file objects
+        pktdump.close()
+
+        return destination
+
+    #########################################
+    # RANDOM IP/MAC ADDRESS GENERATORS
+    #########################################
+
+    @staticmethod
+    def generate_random_ipv4_address(ipClass, n: int = 1):
+        """
+        Generates n random IPv4 addresses.
+        :param n: The number of IP addresses to be generated
+        :return: A single IP address, or if n>1, a list of IP addresses
+        """
+
+        def is_invalid(ipAddress: ipaddress.IPv4Address):
+            return ipAddress.is_multicast or ipAddress.is_unspecified or ipAddress.is_loopback or \
+                   ipAddress.is_link_local or ipAddress.is_reserved or ipAddress.is_private
+
+        # Aidmar - generate a random IP from specific class
+        def generate_address(ipClass):
+            if ipClass == "Unknown":
+                return ipaddress.IPv4Address(random.randint(0, 2 ** 32 - 1))
+            else:
+                # For DDoS attack, we do not generate private IPs
+                if "private" in ipClass:
+                    ipClass = ipClass[0] # convert A-private to A
+                ipClassesByte1 = {"A": {1,126}, "B": {128,191}, "C":{192, 223}, "D":{224, 239}, "E":{240, 254}}
+                temp = list(ipClassesByte1[ipClass])
+                minB1 = temp[0]
+                maxB1 = temp[1]
+                b1 = random.randint(minB1, maxB1)
+                b2 = random.randint(1, 255)
+                b3 = random.randint(1, 255)
+                b4 = random.randint(1, 255)
+
+                ipAddress = ipaddress.IPv4Address(str(b1) +"."+ str(b2) + "." + str(b3) + "." + str(b4))
+
+            return ipAddress
+
+
+        ip_addresses = []
+        for i in range(0, n):
+            address = generate_address(ipClass)
+            while is_invalid(address):
+                address = generate_address(ipClass)
+            ip_addresses.append(str(address))
+
+        if n == 1:
+            return ip_addresses[0]
+        else:
+            return ip_addresses
+
+    @staticmethod
+    def generate_random_ipv6_address(n: int = 1):
+        """
+        Generates n random IPv6 addresses.
+        :param n: The number of IP addresses to be generated
+        :return: A single IP address, or if n>1, a list of IP addresses
+        """
+
+        def is_invalid(ipAddress: ipaddress.IPv6Address):
+            return ipAddress.is_multicast or ipAddress.is_unspecified or ipAddress.is_loopback or \
+                   ipAddress.is_link_local or ipAddress.is_private or ipAddress.is_reserved
+
+        def generate_address():
+            return ipaddress.IPv6Address(random.randint(0, 2 ** 128 - 1))
+
+        ip_addresses = []
+        for i in range(0, n):
+            address = generate_address()
+            while is_invalid(address):
+                address = generate_address()
+            ip_addresses.append(str(address))
+
+        if n == 1:
+            return ip_addresses[0]
+        else:
+            return ip_addresses
+
+    @staticmethod
+    def generate_random_mac_address(n: int = 1):
+        """
+        Generates n random MAC addresses.
+        :param n: The number of MAC addresses to be generated.
+        :return: A single MAC addres, or if n>1, a list of MAC addresses
+        """
+
+        def is_invalid(address: str):
+            first_octet = int(address[0:2], 16)
+            is_multicast_address = bool(first_octet & 0b01)
+            is_locally_administered = bool(first_octet & 0b10)
+            return is_multicast_address or is_locally_administered
+
+        def generate_address():
+            mac = [random.randint(0x00, 0xff) for i in range(0, 6)]
+            return ':'.join(map(lambda x: "%02x" % x, mac))
+
+        mac_addresses = []
+        for i in range(0, n):
+            address = generate_address()
+            while is_invalid(address):
+                address = generate_address()
+            mac_addresses.append(address)
+
+        if n == 1:
+            return mac_addresses[0]
+        else:
+            return mac_addresses
+
+    # Aidmar
+    def get_reply_delay(self, ip_dst):
+        """
+           Gets the minimum and the maximum reply delay for all the connections of a specific IP.
+           :param ip_dst: The IP to reterive its reply delay.
+           :return minDelay: minimum delay
+           :return maxDelay: maximum delay
+
+           """
+        result = self.statistics.process_db_query(
+            "SELECT AVG(minDelay), AVG(maxDelay) FROM conv_statistics WHERE ipAddressB='6.6.6.6';") #" + ip_dst + "';")
+        if result[0][0] and result[0][1]:
+            minDelay = result[0][0]
+            maxDelay = result[0][1]
+        else:
+            allMinDelays = self.statistics.process_db_query("SELECT minDelay FROM conv_statistics LIMIT 500;")
+            minDelay = np.median(allMinDelays)
+            allMaxDelays = self.statistics.process_db_query("SELECT maxDelay FROM conv_statistics LIMIT 500;")
+            maxDelay = np.median(allMaxDelays)
+        minDelay = int(minDelay) * 10 ** -6  # convert from micro to seconds
+        maxDelay = int(maxDelay) * 10 ** -6
+        return minDelay, maxDelay
+
+    # Group the packets in conversations
+    def packetsToConvs(self,exploit_raw_packets):
+        """
+           Classifies a bunch of packets to conversations groups. A conversation is a set of packets go between host A (IP,port)
+           to host B (IP,port)
+           :param exploit_raw_packets: A set of packets contains several conversations.
+           :return conversations: A set of arrays, each array contains the packet of specifc conversation
+           :return orderList_conversations: An array contains the conversations ids (IP_A,port_A, IP_b,port_B) in the order
+           they appeared in the original packets.
+           """
+        conversations = {}
+        orderList_conversations = []
+        for pkt_num, pkt in enumerate(exploit_raw_packets):
+            eth_frame = Ether(pkt[0])
+
+            ip_pkt = eth_frame.payload
+            ip_dst = ip_pkt.getfieldval("dst")
+            ip_src = ip_pkt.getfieldval("src")
+
+            tcp_pkt = ip_pkt.payload
+            port_dst = tcp_pkt.getfieldval("dport")
+            port_src = tcp_pkt.getfieldval("sport")
+
+            conv_req = (ip_src, port_src, ip_dst, port_dst)
+            conv_rep = (ip_dst, port_dst, ip_src, port_src)
+            if conv_req not in conversations and conv_rep not in conversations:
+                pktList = [pkt]
+                conversations[conv_req] = pktList
+                # Order list of conv
+                orderList_conversations.append(conv_req)
+            else:
+                if conv_req in conversations:
+                    pktList = conversations[conv_req]
+                    pktList.append(pkt)
+                    conversations[conv_req] = pktList
+                else:
+                    pktList = conversations[conv_rep]
+                    pktList.append(pkt)
+                    conversations[conv_rep] = pktList
+        return (conversations, orderList_conversations)
+
+
+    def is_valid_ip_address(self,addr):
+        """
+        Checks if the IP address family is supported.
+
+        :param addr: IP address to be checked.
+        :return: Boolean
+        """
+        try:
+            socket.inet_aton(addr)
+            return True
+        except socket.error:
+            return False
+
+    def ip_src_dst_equal_check(self, ip_source, ip_destination):
+        """
+        Checks if the source IP and destination IP are equal.
+
+        :param ip_source: source IP address.
+        :param ip_destination: destination IP address.
+        """
+        equal = False
+        if isinstance(ip_source, list):
+            if ip_destination in ip_source:
+                equal = True
+        else:
+            if ip_source == ip_destination:
+                equal = True
+        if equal:
+            print("\nERROR: Invalid IP addresses; source IP is the same as destination IP: " + ip_source + ".")
+            sys.exit(0)
+
+
+    def get_inter_arrival_time_dist(self, packets):
+        timeSteps = []
+        prvsPktTime = 0
+        for index, pkt in enumerate(packets):
+            eth_frame = Ether(pkt[0])
+            if index == 0:
+                prvsPktTime = eth_frame.time
+            else:
+                timeSteps.append(eth_frame.time - prvsPktTime)
+                prvsPktTime = eth_frame.time
+
+        import numpy as np
+        freq,values = np.histogram(timeSteps,bins=20)
+        dict = {}
+        for i,val in enumerate(values):
+            if i < len(freq):
+                dict[str(val)] = freq[i]
+        return dict
+
+    def clean_white_spaces(self, str):
+        str = str.replace("\\n", "\n")
+        str = str.replace("\\r", "\r")
+        str = str.replace("\\t", "\t")
+        str = str.replace("\\\'", "\'")
+        return str
+
+    def modify_payload(self,str_tcp_seg, orig_target_uri, target_uri, orig_ip_dst, target_host):
+        if len(str_tcp_seg) > 0:
+            # convert payload bytes to str => str = "b'..\\r\\n..'"
+            str_tcp_seg = str_tcp_seg[2:-1]
+            str_tcp_seg = str_tcp_seg.replace(orig_target_uri, target_uri)
+            str_tcp_seg = str_tcp_seg.replace(orig_ip_dst, target_host)
+            str_tcp_seg = self.clean_white_spaces(str_tcp_seg)
+        return str_tcp_seg

+ 427 - 0
code/Attack/BaseAttack_BASE_2866.py

@@ -0,0 +1,427 @@
+import ipaddress
+import os
+import random
+import re
+import tempfile
+from abc import abstractmethod, ABCMeta
+
+import ID2TLib.libpcapreader as pr
+from scapy.utils import PcapWriter
+
+from Attack import AttackParameters
+from Attack.AttackParameters import Parameter
+from Attack.AttackParameters import ParameterTypes
+
+
+class BaseAttack(metaclass=ABCMeta):
+    """
+    Abstract base class for all attack classes. Provides basic functionalities, like parameter validation.
+    """
+
+    def __init__(self, statistics, name, description, attack_type):
+        """
+        To be called within the individual attack class to initialize the required parameters.
+
+        :param statistics: A reference to the Statistics class.
+        :param name: The name of the attack class.
+        :param description: A short description of the attack.
+        :param attack_type: The type the attack belongs to, like probing/scanning, malware.
+        """
+        # Reference to statistics class
+        self.statistics = statistics
+
+        # Class fields
+        self.attack_name = name
+        self.attack_description = description
+        self.attack_type = attack_type
+        self.params = {}
+        self.supported_params = {}
+        self.attack_start_utime = 0
+        self.attack_end_utime = 0
+
+    @abstractmethod
+    def generate_attack_pcap(self):
+        """
+        Creates a pcap containing the attack packets.
+
+        :return: The location of the generated pcap file.
+        """
+        pass
+
+    ################################################
+    # HELPER VALIDATION METHODS
+    # Used to validate the given parameter values
+    ################################################
+
+    @staticmethod
+    def _is_mac_address(mac_address: str):
+        """
+        Verifies if the given string is a valid MAC address. Accepts the formats 00:80:41:ae:fd:7e and 00-80-41-ae-fd-7e.
+
+        :param mac_address: The MAC address as string.
+        :return: True if the MAC address is valid, otherwise False.
+        """
+        pattern = re.compile('^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$', re.MULTILINE)
+        if isinstance(mac_address, list):
+            for mac in mac_address:
+                if re.match(pattern, mac) is None:
+                    return False
+        else:
+            if re.match(pattern, mac_address) is None:
+                return False
+
+        return True
+
+    @staticmethod
+    def _is_ip_address(ip_address: str):
+        """
+        Verifies that the given string or list of IP addresses (strings) is a valid IPv4/IPv6 address.
+        Accepts comma-separated lists of IP addresses, like "192.169.178.1, 192.168.178.2"
+
+        :param ip_address: The IP address(es) as list of strings or comma-separated string.
+        :return: True if all IP addresses are valid, otherwise False. And a list of IP addresses as string.
+        """
+        ip_address_output = []
+
+        # a comma-separated list of IP addresses must be splitted first
+        if isinstance(ip_address, str):
+            ip_address = ip_address.split(',')
+
+        for ip in ip_address:
+            try:
+                ipaddress.ip_address(ip)
+                ip_address_output.append(ip)
+            except ValueError:
+                return False, ip_address_output
+
+        if len(ip_address_output) == 1:
+            return True, ip_address_output[0]
+        else:
+            return True, ip_address_output
+
+    @staticmethod
+    def _is_port(ports_input: str):
+        """
+        Verifies if the given value is a valid port. Accepts port ranges, like 80-90, 80..99, 80...99.
+
+        :param ports_input: The port number as int or string.
+        :return: True if the port number is valid, otherwise False. If a single port or a comma-separated list of ports
+        was given, a list of int is returned. If a port range was given, the range is resolved
+        and a list of int is returned.
+        """
+
+        def _is_invalid_port(num):
+            """
+            Checks whether the port number is invalid.
+
+            :param num: The port number as int.
+            :return: True if the port number is invalid, otherwise False.
+            """
+            return num < 1 or num > 65535
+
+        if isinstance(ports_input, str):
+            ports_input = ports_input.replace(' ', '').split(',')
+        elif isinstance(ports_input, int):
+            ports_input = [ports_input]
+
+        ports_output = []
+
+        for port_entry in ports_input:
+            if isinstance(port_entry, int):
+                if _is_invalid_port(port_entry):
+                    return False
+                ports_output.append(port_entry)
+            elif isinstance(port_entry, str) and port_entry.isdigit():
+                # port_entry describes a single port
+                port_entry = int(port_entry)
+                if _is_invalid_port(port_entry):
+                    return False
+                ports_output.append(port_entry)
+            elif '-' in port_entry or '..' in port_entry:
+                # port_entry describes a port range
+                # allowed format: '1-49151', '1..49151', '1...49151'
+                match = re.match('^([0-9]{1,5})(?:-|\.{2,3})([0-9]{1,5})$', port_entry)
+                # check validity of port range
+                # and create list of ports derived from given start and end port
+                (port_start, port_end) = int(match.group(1)), int(match.group(2))
+                if _is_invalid_port(port_start) or _is_invalid_port(port_end):
+                    return False
+                else:
+                    ports_list = [i for i in range(port_start, port_end + 1)]
+                # append ports at ports_output list
+                ports_output += ports_list
+
+        if len(ports_output) == 1:
+            return True, ports_output[0]
+        else:
+            return True, ports_output
+
+    @staticmethod
+    def _is_timestamp(timestamp: str):
+        """
+        Checks whether the given value is in a valid timestamp format. The accepted format is:
+        YYYY-MM-DD h:m:s, whereas h, m, s may be one or two digits.
+
+        :param timestamp: The timestamp to be checked.
+        :return: True if the timestamp is valid, otherwise False.
+        """
+        is_valid = re.match('[0-9]{4}(?:-[0-9]{1,2}){2} (?:[0-9]{1,2}:){2}[0-9]{1,2}', timestamp)
+        return is_valid is not None
+
+    @staticmethod
+    def _is_boolean(value):
+        """
+        Checks whether the given value (string or bool) is a boolean. Strings are valid booleans if they are in:
+        {y, yes, t, true, on, 1, n, no, f, false, off, 0}.
+
+        :param value: The value to be checked.
+        :return: True if the value is a boolean, otherwise false. And the casted boolean.
+        """
+        # If value is already a boolean
+        if isinstance(value, bool):
+            return True, value
+
+        # If value is a string
+        # True values are y, yes, t, true, on and 1;
+        # False values are n, no, f, false, off and 0.
+        # Raises ValueError if value is anything else.
+        try:
+            import distutils.core
+            value = distutils.util.strtobool(value.lower())
+            is_bool = True
+        except ValueError:
+            is_bool = False
+        return is_bool, value
+
+    @staticmethod
+    def _is_float(value):
+        """
+        Checks whether the given value is a float.
+
+        :param value: The value to be checked.
+        :return: True if the value is a float, otherwise False. And the casted float.
+        """
+        try:
+            value = float(value)
+            return True, value
+        except ValueError:
+            return False, value
+
+    #########################################
+    # HELPER METHODS
+    #########################################
+
+    def add_param_value(self, param, value):
+        """
+        Adds the pair param : value to the dictionary of attack parameters. Prints and error message and skips the
+        parameter if the validation fails.
+
+        :param param: The parameter name.
+        :param value: The parameter's value.
+        :return: None.
+        """
+        # by default no param is valid
+        is_valid = False
+
+        # get AttackParameters instance associated with param
+        # for default values assigned in attack classes, like Parameter.PORT_OPEN
+        if isinstance(param, AttackParameters.Parameter):
+            param_name = param
+        # for values given by user input, like port.open
+        else:
+            # Get Enum key of given string identifier
+            param_name = AttackParameters.Parameter(param)
+
+        # Get parameter type of attack's required_params
+        param_type = self.supported_params.get(param_name)
+
+        # Verify validity of given value with respect to parameter type
+        if param_type is None:
+            print('Parameter ' + str(param_name) + ' not available for chosen attack. Skipping parameter.')
+
+        # If value is query -> get value from database
+        elif self.statistics.is_query(value):
+            value = self.statistics.process_db_query(value, False)
+            if value is not None and value is not "":
+                is_valid = True
+            else:
+                print('Error in given parameter value: ' + value + '. Data could not be retrieved.')
+
+        # Validate parameter depending on parameter's type
+        elif param_type == ParameterTypes.TYPE_IP_ADDRESS:
+            is_valid, value = self._is_ip_address(value)
+        elif param_type == ParameterTypes.TYPE_PORT:
+            is_valid, value = self._is_port(value)
+        elif param_type == ParameterTypes.TYPE_MAC_ADDRESS:
+            is_valid = self._is_mac_address(value)
+        elif param_type == ParameterTypes.TYPE_INTEGER_POSITIVE:
+            if isinstance(value, int) and int(value) >= 0:
+                is_valid = True
+            elif isinstance(value, str) and value.isdigit() and int(value) >= 0:
+                is_valid = True
+                value = int(value)
+        elif param_type == ParameterTypes.TYPE_FLOAT:
+            is_valid, value = self._is_float(value)
+            # this is required to avoid that the timestamp's microseconds of the first attack packet is '000000'
+            # but microseconds are only chosen randomly if the given parameter does not already specify it
+            # e.g. inject.at-timestamp=123456.987654 -> is not changed
+            # e.g. inject.at-timestamp=123456 -> is changed to: 123456.[random digits]
+            if param_name == Parameter.INJECT_AT_TIMESTAMP and is_valid and ((value - int(value)) == 0):
+                value = value + random.uniform(0, 0.999999)
+        elif param_type == ParameterTypes.TYPE_TIMESTAMP:
+            is_valid = self._is_timestamp(value)
+        elif param_type == ParameterTypes.TYPE_BOOLEAN:
+            is_valid, value = self._is_boolean(value)
+        elif param_type == ParameterTypes.TYPE_PACKET_POSITION:
+            ts = pr.pcap_processor(self.statistics.pcap_filepath).get_timestamp_mu_sec(int(value))
+            if 0 <= int(value) <= self.statistics.get_packet_count() and ts >= 0:
+                is_valid = True
+                param_name = Parameter.INJECT_AT_TIMESTAMP
+                value = (ts / 1000000)  # convert microseconds from getTimestampMuSec into seconds
+
+        # add value iff validation was successful
+        if is_valid:
+            self.params[param_name] = value
+        else:
+            print("ERROR: Parameter " + str(param) + " or parameter value " + str(value) +
+                  " not valid. Skipping parameter.")
+
+    def get_param_value(self, param: Parameter):
+        """
+        Returns the parameter value for a given parameter.
+
+        :param param: The parameter whose value is wanted.
+        :return: The parameter's value.
+        """
+        return self.params.get(param)
+
+    def check_parameters(self):
+        """
+        Checks whether all parameter values are defined. If a value is not defined, the application is terminated.
+        However, this should not happen as all attack should define default parameter values.
+        """
+        # parameters which do not require default values
+        non_obligatory_params = [Parameter.INJECT_AFTER_PACKET, Parameter.NUMBER_ATTACKERS]
+        for param, type in self.supported_params.items():
+            # checks whether all params have assigned values, INJECT_AFTER_PACKET must not be considered because the
+            # timestamp derived from it is set to Parameter.INJECT_AT_TIMESTAMP
+            if param not in self.params.keys() and param not in non_obligatory_params:
+                print("\033[91mCRITICAL ERROR: Attack '" + self.attack_name + "' does not define the parameter '" +
+                      str(param) + "'.\n The attack must define default values for all parameters."
+                      + "\n Cannot continue attack generation.\033[0m")
+                import sys
+                sys.exit(0)
+
+    def write_attack_pcap(self, packets: list, append_flag: bool = False, destination_path: str = None):
+        """
+        Writes the attack's packets into a PCAP file with a temporary filename.
+        :return: The path of the written PCAP file.
+        """
+        # Only check params initially when attack generation starts
+        if append_flag is False and destination_path is None:
+            # Check if all req. parameters are set
+            self.check_parameters()
+
+        # Determine destination path
+        if destination_path is not None and os.path.exists(destination_path):
+            destination = destination_path
+        else:
+            temp_file = tempfile.NamedTemporaryFile(delete=False, suffix='.pcap')
+            destination = temp_file.name
+
+        # Write packets into pcap file
+        pktdump = PcapWriter(destination, append=append_flag)
+        pktdump.write(packets)
+
+        # Store pcap path and close file objects
+        pktdump.close()
+
+        return destination
+
+    #########################################
+    # RANDOM IP/MAC ADDRESS GENERATORS
+    #########################################
+
+    @staticmethod
+    def generate_random_ipv4_address(n: int = 1):
+        """
+        Generates n random IPv4 addresses.
+        :param n: The number of IP addresses to be generated
+        :return: A single IP address, or if n>1, a list of IP addresses
+        """
+
+        def is_invalid(ipAddress: ipaddress.IPv4Address):
+            return ipAddress.is_multicast or ipAddress.is_unspecified or ipAddress.is_loopback or \
+                   ipAddress.is_link_local or ipAddress.is_private or ipAddress.is_reserved
+
+        def generate_address():
+            return ipaddress.IPv4Address(random.randint(0, 2 ** 32 - 1))
+
+        ip_addresses = []
+        for i in range(0, n):
+            address = generate_address()
+            while is_invalid(address):
+                address = generate_address()
+            ip_addresses.append(str(address))
+
+        if n == 1:
+            return ip_addresses[0]
+        else:
+            return ip_addresses
+
+    @staticmethod
+    def generate_random_ipv6_address(n: int = 1):
+        """
+        Generates n random IPv6 addresses.
+        :param n: The number of IP addresses to be generated
+        :return: A single IP address, or if n>1, a list of IP addresses
+        """
+
+        def is_invalid(ipAddress: ipaddress.IPv6Address):
+            return ipAddress.is_multicast or ipAddress.is_unspecified or ipAddress.is_loopback or \
+                   ipAddress.is_link_local or ipAddress.is_private or ipAddress.is_reserved
+
+        def generate_address():
+            return ipaddress.IPv6Address(random.randint(0, 2 ** 128 - 1))
+
+        ip_addresses = []
+        for i in range(0, n):
+            address = generate_address()
+            while is_invalid(address):
+                address = generate_address()
+            ip_addresses.append(str(address))
+
+        if n == 1:
+            return ip_addresses[0]
+        else:
+            return ip_addresses
+
+    @staticmethod
+    def generate_random_mac_address(n: int = 1):
+        """
+        Generates n random MAC addresses.
+        :param n: The number of MAC addresses to be generated.
+        :return: A single MAC addres, or if n>1, a list of MAC addresses
+        """
+
+        def is_invalid(address: str):
+            first_octet = int(address[0:2], 16)
+            is_multicast_address = bool(first_octet & 0b01)
+            is_locally_administered = bool(first_octet & 0b10)
+            return is_multicast_address or is_locally_administered
+
+        def generate_address():
+            mac = [random.randint(0x00, 0xff) for i in range(0, 6)]
+            return ':'.join(map(lambda x: "%02x" % x, mac))
+
+        mac_addresses = []
+        for i in range(0, n):
+            address = generate_address()
+            while is_invalid(address):
+                address = generate_address()
+            mac_addresses.append(address)
+
+        if n == 1:
+            return mac_addresses[0]
+        else:
+            return mac_addresses

+ 427 - 0
code/Attack/BaseAttack_BASE_3007.py

@@ -0,0 +1,427 @@
+import ipaddress
+import os
+import random
+import re
+import tempfile
+from abc import abstractmethod, ABCMeta
+
+import ID2TLib.libpcapreader as pr
+from scapy.utils import PcapWriter
+
+from Attack import AttackParameters
+from Attack.AttackParameters import Parameter
+from Attack.AttackParameters import ParameterTypes
+
+
+class BaseAttack(metaclass=ABCMeta):
+    """
+    Abstract base class for all attack classes. Provides basic functionalities, like parameter validation.
+    """
+
+    def __init__(self, statistics, name, description, attack_type):
+        """
+        To be called within the individual attack class to initialize the required parameters.
+
+        :param statistics: A reference to the Statistics class.
+        :param name: The name of the attack class.
+        :param description: A short description of the attack.
+        :param attack_type: The type the attack belongs to, like probing/scanning, malware.
+        """
+        # Reference to statistics class
+        self.statistics = statistics
+
+        # Class fields
+        self.attack_name = name
+        self.attack_description = description
+        self.attack_type = attack_type
+        self.params = {}
+        self.supported_params = {}
+        self.attack_start_utime = 0
+        self.attack_end_utime = 0
+
+    @abstractmethod
+    def generate_attack_pcap(self):
+        """
+        Creates a pcap containing the attack packets.
+
+        :return: The location of the generated pcap file.
+        """
+        pass
+
+    ################################################
+    # HELPER VALIDATION METHODS
+    # Used to validate the given parameter values
+    ################################################
+
+    @staticmethod
+    def _is_mac_address(mac_address: str):
+        """
+        Verifies if the given string is a valid MAC address. Accepts the formats 00:80:41:ae:fd:7e and 00-80-41-ae-fd-7e.
+
+        :param mac_address: The MAC address as string.
+        :return: True if the MAC address is valid, otherwise False.
+        """
+        pattern = re.compile('^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$', re.MULTILINE)
+        if isinstance(mac_address, list):
+            for mac in mac_address:
+                if re.match(pattern, mac) is None:
+                    return False
+        else:
+            if re.match(pattern, mac_address) is None:
+                return False
+
+        return True
+
+    @staticmethod
+    def _is_ip_address(ip_address: str):
+        """
+        Verifies that the given string or list of IP addresses (strings) is a valid IPv4/IPv6 address.
+        Accepts comma-separated lists of IP addresses, like "192.169.178.1, 192.168.178.2"
+
+        :param ip_address: The IP address(es) as list of strings or comma-separated string.
+        :return: True if all IP addresses are valid, otherwise False. And a list of IP addresses as string.
+        """
+        ip_address_output = []
+
+        # a comma-separated list of IP addresses must be splitted first
+        if isinstance(ip_address, str):
+            ip_address = ip_address.split(',')
+
+        for ip in ip_address:
+            try:
+                ipaddress.ip_address(ip)
+                ip_address_output.append(ip)
+            except ValueError:
+                return False, ip_address_output
+
+        if len(ip_address_output) == 1:
+            return True, ip_address_output[0]
+        else:
+            return True, ip_address_output
+
+    @staticmethod
+    def _is_port(ports_input: str):
+        """
+        Verifies if the given value is a valid port. Accepts port ranges, like 80-90, 80..99, 80...99.
+
+        :param ports_input: The port number as int or string.
+        :return: True if the port number is valid, otherwise False. If a single port or a comma-separated list of ports
+        was given, a list of int is returned. If a port range was given, the range is resolved
+        and a list of int is returned.
+        """
+
+        def _is_invalid_port(num):
+            """
+            Checks whether the port number is invalid.
+
+            :param num: The port number as int.
+            :return: True if the port number is invalid, otherwise False.
+            """
+            return num < 1 or num > 65535
+
+        if isinstance(ports_input, str):
+            ports_input = ports_input.replace(' ', '').split(',')
+        elif isinstance(ports_input, int):
+            ports_input = [ports_input]
+
+        ports_output = []
+
+        for port_entry in ports_input:
+            if isinstance(port_entry, int):
+                if _is_invalid_port(port_entry):
+                    return False
+                ports_output.append(port_entry)
+            elif isinstance(port_entry, str) and port_entry.isdigit():
+                # port_entry describes a single port
+                port_entry = int(port_entry)
+                if _is_invalid_port(port_entry):
+                    return False
+                ports_output.append(port_entry)
+            elif '-' in port_entry or '..' in port_entry:
+                # port_entry describes a port range
+                # allowed format: '1-49151', '1..49151', '1...49151'
+                match = re.match('^([0-9]{1,5})(?:-|\.{2,3})([0-9]{1,5})$', port_entry)
+                # check validity of port range
+                # and create list of ports derived from given start and end port
+                (port_start, port_end) = int(match.group(1)), int(match.group(2))
+                if _is_invalid_port(port_start) or _is_invalid_port(port_end):
+                    return False
+                else:
+                    ports_list = [i for i in range(port_start, port_end + 1)]
+                # append ports at ports_output list
+                ports_output += ports_list
+
+        if len(ports_output) == 1:
+            return True, ports_output[0]
+        else:
+            return True, ports_output
+
+    @staticmethod
+    def _is_timestamp(timestamp: str):
+        """
+        Checks whether the given value is in a valid timestamp format. The accepted format is:
+        YYYY-MM-DD h:m:s, whereas h, m, s may be one or two digits.
+
+        :param timestamp: The timestamp to be checked.
+        :return: True if the timestamp is valid, otherwise False.
+        """
+        is_valid = re.match('[0-9]{4}(?:-[0-9]{1,2}){2} (?:[0-9]{1,2}:){2}[0-9]{1,2}', timestamp)
+        return is_valid is not None
+
+    @staticmethod
+    def _is_boolean(value):
+        """
+        Checks whether the given value (string or bool) is a boolean. Strings are valid booleans if they are in:
+        {y, yes, t, true, on, 1, n, no, f, false, off, 0}.
+
+        :param value: The value to be checked.
+        :return: True if the value is a boolean, otherwise false. And the casted boolean.
+        """
+        # If value is already a boolean
+        if isinstance(value, bool):
+            return True, value
+
+        # If value is a string
+        # True values are y, yes, t, true, on and 1;
+        # False values are n, no, f, false, off and 0.
+        # Raises ValueError if value is anything else.
+        try:
+            import distutils.core
+            value = distutils.util.strtobool(value.lower())
+            is_bool = True
+        except ValueError:
+            is_bool = False
+        return is_bool, value
+
+    @staticmethod
+    def _is_float(value):
+        """
+        Checks whether the given value is a float.
+
+        :param value: The value to be checked.
+        :return: True if the value is a float, otherwise False. And the casted float.
+        """
+        try:
+            value = float(value)
+            return True, value
+        except ValueError:
+            return False, value
+
+    #########################################
+    # HELPER METHODS
+    #########################################
+
+    def add_param_value(self, param, value):
+        """
+        Adds the pair param : value to the dictionary of attack parameters. Prints and error message and skips the
+        parameter if the validation fails.
+
+        :param param: The parameter name.
+        :param value: The parameter's value.
+        :return: None.
+        """
+        # by default no param is valid
+        is_valid = False
+
+        # get AttackParameters instance associated with param
+        # for default values assigned in attack classes, like Parameter.PORT_OPEN
+        if isinstance(param, AttackParameters.Parameter):
+            param_name = param
+        # for values given by user input, like port.open
+        else:
+            # Get Enum key of given string identifier
+            param_name = AttackParameters.Parameter(param)
+
+        # Get parameter type of attack's required_params
+        param_type = self.supported_params.get(param_name)
+
+        # Verify validity of given value with respect to parameter type
+        if param_type is None:
+            print('Parameter ' + str(param_name) + ' not available for chosen attack. Skipping parameter.')
+
+        # If value is query -> get value from database
+        elif self.statistics.is_query(value):
+            value = self.statistics.process_db_query(value, False)
+            if value is not None and value is not "":
+                is_valid = True
+            else:
+                print('Error in given parameter value: ' + value + '. Data could not be retrieved.')
+
+        # Validate parameter depending on parameter's type
+        elif param_type == ParameterTypes.TYPE_IP_ADDRESS:
+            is_valid, value = self._is_ip_address(value)
+        elif param_type == ParameterTypes.TYPE_PORT:
+            is_valid, value = self._is_port(value)
+        elif param_type == ParameterTypes.TYPE_MAC_ADDRESS:
+            is_valid = self._is_mac_address(value)
+        elif param_type == ParameterTypes.TYPE_INTEGER_POSITIVE:
+            if isinstance(value, int) and int(value) >= 0:
+                is_valid = True
+            elif isinstance(value, str) and value.isdigit() and int(value) >= 0:
+                is_valid = True
+                value = int(value)
+        elif param_type == ParameterTypes.TYPE_FLOAT:
+            is_valid, value = self._is_float(value)
+            # this is required to avoid that the timestamp's microseconds of the first attack packet is '000000'
+            # but microseconds are only chosen randomly if the given parameter does not already specify it
+            # e.g. inject.at-timestamp=123456.987654 -> is not changed
+            # e.g. inject.at-timestamp=123456 -> is changed to: 123456.[random digits]
+            if param_name == Parameter.INJECT_AT_TIMESTAMP and is_valid and ((value - int(value)) == 0):
+                value = value + random.uniform(0, 0.999999)
+        elif param_type == ParameterTypes.TYPE_TIMESTAMP:
+            is_valid = self._is_timestamp(value)
+        elif param_type == ParameterTypes.TYPE_BOOLEAN:
+            is_valid, value = self._is_boolean(value)
+        elif param_type == ParameterTypes.TYPE_PACKET_POSITION:
+            ts = pr.pcap_processor(self.statistics.pcap_filepath).get_timestamp_mu_sec(int(value))
+            if 0 <= int(value) <= self.statistics.get_packet_count() and ts >= 0:
+                is_valid = True
+                param_name = Parameter.INJECT_AT_TIMESTAMP
+                value = (ts / 1000000)  # convert microseconds from getTimestampMuSec into seconds
+
+        # add value iff validation was successful
+        if is_valid:
+            self.params[param_name] = value
+        else:
+            print("ERROR: Parameter " + str(param) + " or parameter value " + str(value) +
+                  " not valid. Skipping parameter.")
+
+    def get_param_value(self, param: Parameter):
+        """
+        Returns the parameter value for a given parameter.
+
+        :param param: The parameter whose value is wanted.
+        :return: The parameter's value.
+        """
+        return self.params.get(param)
+
+    def check_parameters(self):
+        """
+        Checks whether all parameter values are defined. If a value is not defined, the application is terminated.
+        However, this should not happen as all attack should define default parameter values.
+        """
+        # parameters which do not require default values
+        non_obligatory_params = [Parameter.INJECT_AFTER_PACKET, Parameter.NUMBER_ATTACKERS]
+        for param, type in self.supported_params.items():
+            # checks whether all params have assigned values, INJECT_AFTER_PACKET must not be considered because the
+            # timestamp derived from it is set to Parameter.INJECT_AT_TIMESTAMP
+            if param not in self.params.keys() and param not in non_obligatory_params:
+                print("\033[91mCRITICAL ERROR: Attack '" + self.attack_name + "' does not define the parameter '" +
+                      str(param) + "'.\n The attack must define default values for all parameters."
+                      + "\n Cannot continue attack generation.\033[0m")
+                import sys
+                sys.exit(0)
+
+    def write_attack_pcap(self, packets: list, append_flag: bool = False, destination_path: str = None):
+        """
+        Writes the attack's packets into a PCAP file with a temporary filename.
+        :return: The path of the written PCAP file.
+        """
+        # Only check params initially when attack generation starts
+        if append_flag is False and destination_path is None:
+            # Check if all req. parameters are set
+            self.check_parameters()
+
+        # Determine destination path
+        if destination_path is not None and os.path.exists(destination_path):
+            destination = destination_path
+        else:
+            temp_file = tempfile.NamedTemporaryFile(delete=False, suffix='.pcap')
+            destination = temp_file.name
+
+        # Write packets into pcap file
+        pktdump = PcapWriter(destination, append=append_flag)
+        pktdump.write(packets)
+
+        # Store pcap path and close file objects
+        pktdump.close()
+
+        return destination
+
+    #########################################
+    # RANDOM IP/MAC ADDRESS GENERATORS
+    #########################################
+
+    @staticmethod
+    def generate_random_ipv4_address(n: int = 1):
+        """
+        Generates n random IPv4 addresses.
+        :param n: The number of IP addresses to be generated
+        :return: A single IP address, or if n>1, a list of IP addresses
+        """
+
+        def is_invalid(ipAddress: ipaddress.IPv4Address):
+            return ipAddress.is_multicast or ipAddress.is_unspecified or ipAddress.is_loopback or \
+                   ipAddress.is_link_local or ipAddress.is_private or ipAddress.is_reserved
+
+        def generate_address():
+            return ipaddress.IPv4Address(random.randint(0, 2 ** 32 - 1))
+
+        ip_addresses = []
+        for i in range(0, n):
+            address = generate_address()
+            while is_invalid(address):
+                address = generate_address()
+            ip_addresses.append(str(address))
+
+        if n == 1:
+            return ip_addresses[0]
+        else:
+            return ip_addresses
+
+    @staticmethod
+    def generate_random_ipv6_address(n: int = 1):
+        """
+        Generates n random IPv6 addresses.
+        :param n: The number of IP addresses to be generated
+        :return: A single IP address, or if n>1, a list of IP addresses
+        """
+
+        def is_invalid(ipAddress: ipaddress.IPv6Address):
+            return ipAddress.is_multicast or ipAddress.is_unspecified or ipAddress.is_loopback or \
+                   ipAddress.is_link_local or ipAddress.is_private or ipAddress.is_reserved
+
+        def generate_address():
+            return ipaddress.IPv6Address(random.randint(0, 2 ** 128 - 1))
+
+        ip_addresses = []
+        for i in range(0, n):
+            address = generate_address()
+            while is_invalid(address):
+                address = generate_address()
+            ip_addresses.append(str(address))
+
+        if n == 1:
+            return ip_addresses[0]
+        else:
+            return ip_addresses
+
+    @staticmethod
+    def generate_random_mac_address(n: int = 1):
+        """
+        Generates n random MAC addresses.
+        :param n: The number of MAC addresses to be generated.
+        :return: A single MAC addres, or if n>1, a list of MAC addresses
+        """
+
+        def is_invalid(address: str):
+            first_octet = int(address[0:2], 16)
+            is_multicast_address = bool(first_octet & 0b01)
+            is_locally_administered = bool(first_octet & 0b10)
+            return is_multicast_address or is_locally_administered
+
+        def generate_address():
+            mac = [random.randint(0x00, 0xff) for i in range(0, 6)]
+            return ':'.join(map(lambda x: "%02x" % x, mac))
+
+        mac_addresses = []
+        for i in range(0, n):
+            address = generate_address()
+            while is_invalid(address):
+                address = generate_address()
+            mac_addresses.append(address)
+
+        if n == 1:
+            return mac_addresses[0]
+        else:
+            return mac_addresses

+ 623 - 0
code/Attack/BaseAttack_LOCAL_2866.py

@@ -0,0 +1,623 @@
+import socket
+import sys
+import ipaddress
+import os
+import random
+import re
+import tempfile
+from abc import abstractmethod, ABCMeta
+from scapy.layers.inet import Ether
+import numpy as np
+
+import ID2TLib.libpcapreader as pr
+from scapy.utils import PcapWriter
+
+from Attack import AttackParameters
+from Attack.AttackParameters import Parameter
+from Attack.AttackParameters import ParameterTypes
+
+
+class BaseAttack(metaclass=ABCMeta):
+    """
+    Abstract base class for all attack classes. Provides basic functionalities, like parameter validation.
+    """
+
+    def __init__(self, name, description, attack_type):
+        """
+        To be called within the individual attack class to initialize the required parameters.
+
+        :param statistics: A reference to the Statistics class.
+        :param name: The name of the attack class.
+        :param description: A short description of the attack.
+        :param attack_type: The type the attack belongs to, like probing/scanning, malware.
+        """
+        # Reference to statistics class
+        self.statistics = None
+
+        # Class fields
+        self.attack_name = name
+        self.attack_description = description
+        self.attack_type = attack_type
+        self.params = {}
+        self.supported_params = {}
+        self.attack_start_utime = 0
+        self.attack_end_utime = 0
+
+    def set_statistics(self, statistics):
+        """
+        Specify the statistics object that will be used to calculate the parameters of this attack.
+        The statistics are used to calculate default parameters and to process user supplied
+        queries.
+
+        :param statistics: Reference to a statistics object.
+        """
+        self.statistics = statistics
+
+    @abstractmethod
+    def init_params(self):
+        """
+        Initialize all required parameters taking into account user supplied values. If no value is supplied,
+        or if a user defined query is supplied, use a statistics object to do the calculations.
+        A call to this function requires a call to 'set_statistics' first.
+        """
+        pass
+
+    @abstractmethod
+    def generate_attack_pcap(self):
+        """
+        Creates a pcap containing the attack packets.
+
+        :return: The location of the generated pcap file.
+        """
+        pass
+
+    ################################################
+    # HELPER VALIDATION METHODS
+    # Used to validate the given parameter values
+    ################################################
+
+    @staticmethod
+    def _is_mac_address(mac_address: str):
+        """
+        Verifies if the given string is a valid MAC address. Accepts the formats 00:80:41:ae:fd:7e and 00-80-41-ae-fd-7e.
+
+        :param mac_address: The MAC address as string.
+        :return: True if the MAC address is valid, otherwise False.
+        """
+        pattern = re.compile('^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$', re.MULTILINE)
+        if isinstance(mac_address, list):
+            for mac in mac_address:
+                if re.match(pattern, mac) is None:
+                    return False
+        else:
+            if re.match(pattern, mac_address) is None:
+                return False
+
+        return True
+
+    @staticmethod
+    def _is_ip_address(ip_address: str):
+        """
+        Verifies that the given string or list of IP addresses (strings) is a valid IPv4/IPv6 address.
+        Accepts comma-separated lists of IP addresses, like "192.169.178.1, 192.168.178.2"
+
+        :param ip_address: The IP address(es) as list of strings or comma-separated string.
+        :return: True if all IP addresses are valid, otherwise False. And a list of IP addresses as string.
+        """
+        ip_address_output = []
+
+        # a comma-separated list of IP addresses must be splitted first
+        if isinstance(ip_address, str):
+            ip_address = ip_address.split(',')
+
+        for ip in ip_address:
+            try:
+                ipaddress.ip_address(ip)
+                ip_address_output.append(ip)
+            except ValueError:
+                return False, ip_address_output
+
+        if len(ip_address_output) == 1:
+            return True, ip_address_output[0]
+        else:
+            return True, ip_address_output
+
+    @staticmethod
+    def _is_port(ports_input: str):
+        """
+        Verifies if the given value is a valid port. Accepts port ranges, like 80-90, 80..99, 80...99.
+
+        :param ports_input: The port number as int or string.
+        :return: True if the port number is valid, otherwise False. If a single port or a comma-separated list of ports
+        was given, a list of int is returned. If a port range was given, the range is resolved
+        and a list of int is returned.
+        """
+
+        def _is_invalid_port(num):
+            """
+            Checks whether the port number is invalid.
+
+            :param num: The port number as int.
+            :return: True if the port number is invalid, otherwise False.
+            """
+            return num < 1 or num > 65535
+
+        if isinstance(ports_input, str):
+            ports_input = ports_input.replace(' ', '').split(',')
+        elif isinstance(ports_input, int):
+            ports_input = [ports_input]
+
+        ports_output = []
+
+        for port_entry in ports_input:
+            if isinstance(port_entry, int):
+                if _is_invalid_port(port_entry):
+                    return False
+                ports_output.append(port_entry)
+            elif isinstance(port_entry, str) and port_entry.isdigit():
+                # port_entry describes a single port
+                port_entry = int(port_entry)
+                if _is_invalid_port(port_entry):
+                    return False
+                ports_output.append(port_entry)
+            elif '-' in port_entry or '..' in port_entry:
+                # port_entry describes a port range
+                # allowed format: '1-49151', '1..49151', '1...49151'
+                match = re.match('^([0-9]{1,5})(?:-|\.{2,3})([0-9]{1,5})$', port_entry)
+                # check validity of port range
+                # and create list of ports derived from given start and end port
+                (port_start, port_end) = int(match.group(1)), int(match.group(2))
+                if _is_invalid_port(port_start) or _is_invalid_port(port_end):
+                    return False
+                else:
+                    ports_list = [i for i in range(port_start, port_end + 1)]
+                # append ports at ports_output list
+                ports_output += ports_list
+
+        if len(ports_output) == 1:
+            return True, ports_output[0]
+        else:
+            return True, ports_output
+
+    @staticmethod
+    def _is_timestamp(timestamp: str):
+        """
+        Checks whether the given value is in a valid timestamp format. The accepted format is:
+        YYYY-MM-DD h:m:s, whereas h, m, s may be one or two digits.
+
+        :param timestamp: The timestamp to be checked.
+        :return: True if the timestamp is valid, otherwise False.
+        """
+        is_valid = re.match('[0-9]{4}(?:-[0-9]{1,2}){2} (?:[0-9]{1,2}:){2}[0-9]{1,2}', timestamp)
+        return is_valid is not None
+
+    @staticmethod
+    def _is_boolean(value):
+        """
+        Checks whether the given value (string or bool) is a boolean. Strings are valid booleans if they are in:
+        {y, yes, t, true, on, 1, n, no, f, false, off, 0}.
+
+        :param value: The value to be checked.
+        :return: True if the value is a boolean, otherwise false. And the casted boolean.
+        """
+        # If value is already a boolean
+        if isinstance(value, bool):
+            return True, value
+
+        # If value is a string
+        # True values are y, yes, t, true, on and 1;
+        # False values are n, no, f, false, off and 0.
+        # Raises ValueError if value is anything else.
+        try:
+            import distutils.core
+            value = distutils.util.strtobool(value.lower())
+            is_bool = True
+        except ValueError:
+            is_bool = False
+        return is_bool, value
+
+    @staticmethod
+    def _is_float(value):
+        """
+        Checks whether the given value is a float.
+
+        :param value: The value to be checked.
+        :return: True if the value is a float, otherwise False. And the casted float.
+        """
+        try:
+            value = float(value)
+            return True, value
+        except ValueError:
+            return False, value
+
+    # Aidmar
+    @staticmethod
+    def _is_domain(val: str):
+        """
+        Verifies that the given string is a valid URI.
+
+        :param uri: The URI as string.
+        :return: True if URI is valid, otherwise False.
+        """
+        domain = re.match('^(?:[a-zA-Z]|[0-9]|[$-_@.&+]|[!*\(\),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+$', val)
+        return (domain is not None)
+
+
+    #########################################
+    # HELPER METHODS
+    #########################################
+
+    def add_param_value(self, param, value):
+        """
+        Adds the pair param : value to the dictionary of attack parameters. Prints and error message and skips the
+        parameter if the validation fails.
+
+        :param stats: Statistics used to calculate user queries or default values.
+        :param param: Name of the parameter that we wish to modify.
+        :param value: The value we wish to assign to the specifried parameter.
+        :return: None.
+        """
+        # This function call is valid only if there is a statistics object available.
+        if self.statistics is None:
+            print('Error: Attack parameter added without setting a statistics object first.')
+            exit(1)
+
+        # by default no param is valid
+        is_valid = False
+
+        # get AttackParameters instance associated with param
+        # for default values assigned in attack classes, like Parameter.PORT_OPEN
+        if isinstance(param, AttackParameters.Parameter):
+            param_name = param
+        # for values given by user input, like port.open
+        else:
+            # Get Enum key of given string identifier
+            param_name = AttackParameters.Parameter(param)
+
+        # Get parameter type of attack's required_params
+        param_type = self.supported_params.get(param_name)
+
+        # Verify validity of given value with respect to parameter type
+        if param_type is None:
+            print('Parameter ' + str(param_name) + ' not available for chosen attack. Skipping parameter.')
+
+        # If value is query -> get value from database
+        elif self.statistics.is_query(value):
+            value = self.statistics.process_db_query(value, False)
+            if value is not None and value is not "":
+                is_valid = True
+            else:
+                print('Error in given parameter value: ' + value + '. Data could not be retrieved.')
+
+        # Validate parameter depending on parameter's type
+        elif param_type == ParameterTypes.TYPE_IP_ADDRESS:
+            is_valid, value = self._is_ip_address(value)
+        elif param_type == ParameterTypes.TYPE_PORT:
+            is_valid, value = self._is_port(value)
+        elif param_type == ParameterTypes.TYPE_MAC_ADDRESS:
+            is_valid = self._is_mac_address(value)
+        elif param_type == ParameterTypes.TYPE_INTEGER_POSITIVE:
+            if isinstance(value, int) and int(value) >= 0:
+                is_valid = True
+            elif isinstance(value, str) and value.isdigit() and int(value) >= 0:
+                is_valid = True
+                value = int(value)
+        elif param_type == ParameterTypes.TYPE_FLOAT:
+            is_valid, value = self._is_float(value)
+            # this is required to avoid that the timestamp's microseconds of the first attack packet is '000000'
+            # but microseconds are only chosen randomly if the given parameter does not already specify it
+            # e.g. inject.at-timestamp=123456.987654 -> is not changed
+            # e.g. inject.at-timestamp=123456 -> is changed to: 123456.[random digits]
+            if param_name == Parameter.INJECT_AT_TIMESTAMP and is_valid and ((value - int(value)) == 0):
+                value = value + random.uniform(0, 0.999999)
+        elif param_type == ParameterTypes.TYPE_TIMESTAMP:
+            is_valid = self._is_timestamp(value)
+        elif param_type == ParameterTypes.TYPE_BOOLEAN:
+            is_valid, value = self._is_boolean(value)
+        elif param_type == ParameterTypes.TYPE_PACKET_POSITION:
+            ts = pr.pcap_processor(self.statistics.pcap_filepath, "False").get_timestamp_mu_sec(int(value))
+            if 0 <= int(value) <= self.statistics.get_packet_count() and ts >= 0:
+                is_valid = True
+                param_name = Parameter.INJECT_AT_TIMESTAMP
+                value = (ts / 1000000)  # convert microseconds from getTimestampMuSec into seconds
+        # Aidmar
+        elif param_type == ParameterTypes.TYPE_DOMAIN:
+            is_valid = self._is_domain(value)
+
+        # add value iff validation was successful
+        if is_valid:
+            self.params[param_name] = value
+        else:
+            print("ERROR: Parameter " + str(param) + " or parameter value " + str(value) +
+                  " not valid. Skipping parameter.")
+
+    def get_param_value(self, param: Parameter):
+        """
+        Returns the parameter value for a given parameter.
+
+        :param param: The parameter whose value is wanted.
+        :return: The parameter's value.
+        """
+        return self.params.get(param)
+
+    def check_parameters(self):
+        """
+        Checks whether all parameter values are defined. If a value is not defined, the application is terminated.
+        However, this should not happen as all attack should define default parameter values.
+        """
+        # parameters which do not require default values
+        non_obligatory_params = [Parameter.INJECT_AFTER_PACKET, Parameter.NUMBER_ATTACKERS]
+        for param, type in self.supported_params.items():
+            # checks whether all params have assigned values, INJECT_AFTER_PACKET must not be considered because the
+            # timestamp derived from it is set to Parameter.INJECT_AT_TIMESTAMP
+            if param not in self.params.keys() and param not in non_obligatory_params:
+                print("\033[91mCRITICAL ERROR: Attack '" + self.attack_name + "' does not define the parameter '" +
+                      str(param) + "'.\n The attack must define default values for all parameters."
+                      + "\n Cannot continue attack generation.\033[0m")
+                import sys
+                sys.exit(0)
+
+    def write_attack_pcap(self, packets: list, append_flag: bool = False, destination_path: str = None):
+        """
+        Writes the attack's packets into a PCAP file with a temporary filename.
+        :return: The path of the written PCAP file.
+        """
+        # Only check params initially when attack generation starts
+        if append_flag is False and destination_path is None:
+            # Check if all req. parameters are set
+            self.check_parameters()
+
+        # Determine destination path
+        if destination_path is not None and os.path.exists(destination_path):
+            destination = destination_path
+        else:
+            temp_file = tempfile.NamedTemporaryFile(delete=False, suffix='.pcap')
+            destination = temp_file.name
+
+        # Write packets into pcap file
+        pktdump = PcapWriter(destination, append=append_flag)
+        pktdump.write(packets)
+
+        # Store pcap path and close file objects
+        pktdump.close()
+
+        return destination
+
+    #########################################
+    # RANDOM IP/MAC ADDRESS GENERATORS
+    #########################################
+
+    @staticmethod
+    def generate_random_ipv4_address(ipClass, n: int = 1):
+        """
+        Generates n random IPv4 addresses.
+        :param n: The number of IP addresses to be generated
+        :return: A single IP address, or if n>1, a list of IP addresses
+        """
+
+        def is_invalid(ipAddress: ipaddress.IPv4Address):
+            return ipAddress.is_multicast or ipAddress.is_unspecified or ipAddress.is_loopback or \
+                   ipAddress.is_link_local or ipAddress.is_reserved or ipAddress.is_private
+
+        # Aidmar - generate a random IP from specific class
+        def generate_address(ipClass):
+            if ipClass == "Unknown":
+                return ipaddress.IPv4Address(random.randint(0, 2 ** 32 - 1))
+            else:
+                # For DDoS attack, we do not generate private IPs
+                if "private" in ipClass:
+                    ipClass = ipClass[0] # convert A-private to A
+                ipClassesByte1 = {"A": {1,126}, "B": {128,191}, "C":{192, 223}, "D":{224, 239}, "E":{240, 254}}
+                temp = list(ipClassesByte1[ipClass])
+                minB1 = temp[0]
+                maxB1 = temp[1]
+                b1 = random.randint(minB1, maxB1)
+                b2 = random.randint(1, 255)
+                b3 = random.randint(1, 255)
+                b4 = random.randint(1, 255)
+
+                ipAddress = ipaddress.IPv4Address(str(b1) +"."+ str(b2) + "." + str(b3) + "." + str(b4))
+
+            return ipAddress
+
+
+        ip_addresses = []
+        for i in range(0, n):
+            address = generate_address(ipClass)
+            while is_invalid(address):
+                address = generate_address(ipClass)
+            ip_addresses.append(str(address))
+
+        if n == 1:
+            return ip_addresses[0]
+        else:
+            return ip_addresses
+
+    @staticmethod
+    def generate_random_ipv6_address(n: int = 1):
+        """
+        Generates n random IPv6 addresses.
+        :param n: The number of IP addresses to be generated
+        :return: A single IP address, or if n>1, a list of IP addresses
+        """
+
+        def is_invalid(ipAddress: ipaddress.IPv6Address):
+            return ipAddress.is_multicast or ipAddress.is_unspecified or ipAddress.is_loopback or \
+                   ipAddress.is_link_local or ipAddress.is_private or ipAddress.is_reserved
+
+        def generate_address():
+            return ipaddress.IPv6Address(random.randint(0, 2 ** 128 - 1))
+
+        ip_addresses = []
+        for i in range(0, n):
+            address = generate_address()
+            while is_invalid(address):
+                address = generate_address()
+            ip_addresses.append(str(address))
+
+        if n == 1:
+            return ip_addresses[0]
+        else:
+            return ip_addresses
+
+    @staticmethod
+    def generate_random_mac_address(n: int = 1):
+        """
+        Generates n random MAC addresses.
+        :param n: The number of MAC addresses to be generated.
+        :return: A single MAC addres, or if n>1, a list of MAC addresses
+        """
+
+        def is_invalid(address: str):
+            first_octet = int(address[0:2], 16)
+            is_multicast_address = bool(first_octet & 0b01)
+            is_locally_administered = bool(first_octet & 0b10)
+            return is_multicast_address or is_locally_administered
+
+        def generate_address():
+            mac = [random.randint(0x00, 0xff) for i in range(0, 6)]
+            return ':'.join(map(lambda x: "%02x" % x, mac))
+
+        mac_addresses = []
+        for i in range(0, n):
+            address = generate_address()
+            while is_invalid(address):
+                address = generate_address()
+            mac_addresses.append(address)
+
+        if n == 1:
+            return mac_addresses[0]
+        else:
+            return mac_addresses
+
+    # Aidmar
+    def get_reply_delay(self, ip_dst):
+        """
+           Gets the minimum and the maximum reply delay for all the connections of a specific IP.
+           :param ip_dst: The IP to reterive its reply delay.
+           :return minDelay: minimum delay
+           :return maxDelay: maximum delay
+
+           """
+        result = self.statistics.process_db_query(
+            "SELECT AVG(minDelay), AVG(maxDelay) FROM conv_statistics WHERE ipAddressB='6.6.6.6';") #" + ip_dst + "';")
+        if result[0][0] and result[0][1]:
+            minDelay = result[0][0]
+            maxDelay = result[0][1]
+        else:
+            allMinDelays = self.statistics.process_db_query("SELECT minDelay FROM conv_statistics LIMIT 500;")
+            minDelay = np.median(allMinDelays)
+            allMaxDelays = self.statistics.process_db_query("SELECT maxDelay FROM conv_statistics LIMIT 500;")
+            maxDelay = np.median(allMaxDelays)
+        minDelay = int(minDelay) * 10 ** -6  # convert from micro to seconds
+        maxDelay = int(maxDelay) * 10 ** -6
+        return minDelay, maxDelay
+
+    # Group the packets in conversations
+    def packetsToConvs(self,exploit_raw_packets):
+        """
+           Classifies a bunch of packets to conversations groups. A conversation is a set of packets go between host A (IP,port)
+           to host B (IP,port)
+           :param exploit_raw_packets: A set of packets contains several conversations.
+           :return conversations: A set of arrays, each array contains the packet of specifc conversation
+           :return orderList_conversations: An array contains the conversations ids (IP_A,port_A, IP_b,port_B) in the order
+           they appeared in the original packets.
+           """
+        conversations = {}
+        orderList_conversations = []
+        for pkt_num, pkt in enumerate(exploit_raw_packets):
+            eth_frame = Ether(pkt[0])
+
+            ip_pkt = eth_frame.payload
+            ip_dst = ip_pkt.getfieldval("dst")
+            ip_src = ip_pkt.getfieldval("src")
+
+            tcp_pkt = ip_pkt.payload
+            port_dst = tcp_pkt.getfieldval("dport")
+            port_src = tcp_pkt.getfieldval("sport")
+
+            conv_req = (ip_src, port_src, ip_dst, port_dst)
+            conv_rep = (ip_dst, port_dst, ip_src, port_src)
+            if conv_req not in conversations and conv_rep not in conversations:
+                pktList = [pkt]
+                conversations[conv_req] = pktList
+                # Order list of conv
+                orderList_conversations.append(conv_req)
+            else:
+                if conv_req in conversations:
+                    pktList = conversations[conv_req]
+                    pktList.append(pkt)
+                    conversations[conv_req] = pktList
+                else:
+                    pktList = conversations[conv_rep]
+                    pktList.append(pkt)
+                    conversations[conv_rep] = pktList
+        return (conversations, orderList_conversations)
+
+
+    def is_valid_ip_address(self,addr):
+        """
+        Checks if the IP address family is supported.
+
+        :param addr: IP address to be checked.
+        :return: Boolean
+        """
+        try:
+            socket.inet_aton(addr)
+            return True
+        except socket.error:
+            return False
+
+    def ip_src_dst_equal_check(self, ip_source, ip_destination):
+        """
+        Checks if the source IP and destination IP are equal.
+
+        :param ip_source: source IP address.
+        :param ip_destination: destination IP address.
+        """
+        equal = False
+        if isinstance(ip_source, list):
+            if ip_destination in ip_source:
+                equal = True
+        else:
+            if ip_source == ip_destination:
+                equal = True
+        if equal:
+            print("\nERROR: Invalid IP addresses; source IP is the same as destination IP: " + ip_source + ".")
+            sys.exit(0)
+
+
+    def get_inter_arrival_time_dist(self, packets):
+        timeSteps = []
+        prvsPktTime = 0
+        for index, pkt in enumerate(packets):
+            eth_frame = Ether(pkt[0])
+            if index == 0:
+                prvsPktTime = eth_frame.time
+            else:
+                timeSteps.append(eth_frame.time - prvsPktTime)
+                prvsPktTime = eth_frame.time
+
+        import numpy as np
+        freq,values = np.histogram(timeSteps,bins=20)
+        dict = {}
+        for i,val in enumerate(values):
+            if i < len(freq):
+                dict[str(val)] = freq[i]
+        return dict
+
+    def clean_white_spaces(self, str):
+        str = str.replace("\\n", "\n")
+        str = str.replace("\\r", "\r")
+        str = str.replace("\\t", "\t")
+        str = str.replace("\\\'", "\'")
+        return str
+
+    def modify_payload(self,str_tcp_seg, orig_target_uri, target_uri, orig_ip_dst, target_host):
+        if len(str_tcp_seg) > 0:
+            # convert payload bytes to str => str = "b'..\\r\\n..'"
+            str_tcp_seg = str_tcp_seg[2:-1]
+            str_tcp_seg = str_tcp_seg.replace(orig_target_uri, target_uri)
+            str_tcp_seg = str_tcp_seg.replace(orig_ip_dst, target_host)
+            str_tcp_seg = self.clean_white_spaces(str_tcp_seg)
+        return str_tcp_seg

+ 623 - 0
code/Attack/BaseAttack_LOCAL_3007.py

@@ -0,0 +1,623 @@
+import socket
+import sys
+import ipaddress
+import os
+import random
+import re
+import tempfile
+from abc import abstractmethod, ABCMeta
+from scapy.layers.inet import Ether
+import numpy as np
+
+import ID2TLib.libpcapreader as pr
+from scapy.utils import PcapWriter
+
+from Attack import AttackParameters
+from Attack.AttackParameters import Parameter
+from Attack.AttackParameters import ParameterTypes
+
+
+class BaseAttack(metaclass=ABCMeta):
+    """
+    Abstract base class for all attack classes. Provides basic functionalities, like parameter validation.
+    """
+
+    def __init__(self, name, description, attack_type):
+        """
+        To be called within the individual attack class to initialize the required parameters.
+
+        :param statistics: A reference to the Statistics class.
+        :param name: The name of the attack class.
+        :param description: A short description of the attack.
+        :param attack_type: The type the attack belongs to, like probing/scanning, malware.
+        """
+        # Reference to statistics class
+        self.statistics = None
+
+        # Class fields
+        self.attack_name = name
+        self.attack_description = description
+        self.attack_type = attack_type
+        self.params = {}
+        self.supported_params = {}
+        self.attack_start_utime = 0
+        self.attack_end_utime = 0
+
+    def set_statistics(self, statistics):
+        """
+        Specify the statistics object that will be used to calculate the parameters of this attack.
+        The statistics are used to calculate default parameters and to process user supplied
+        queries.
+
+        :param statistics: Reference to a statistics object.
+        """
+        self.statistics = statistics
+
+    @abstractmethod
+    def init_params(self):
+        """
+        Initialize all required parameters taking into account user supplied values. If no value is supplied,
+        or if a user defined query is supplied, use a statistics object to do the calculations.
+        A call to this function requires a call to 'set_statistics' first.
+        """
+        pass
+
+    @abstractmethod
+    def generate_attack_pcap(self):
+        """
+        Creates a pcap containing the attack packets.
+
+        :return: The location of the generated pcap file.
+        """
+        pass
+
+    ################################################
+    # HELPER VALIDATION METHODS
+    # Used to validate the given parameter values
+    ################################################
+
+    @staticmethod
+    def _is_mac_address(mac_address: str):
+        """
+        Verifies if the given string is a valid MAC address. Accepts the formats 00:80:41:ae:fd:7e and 00-80-41-ae-fd-7e.
+
+        :param mac_address: The MAC address as string.
+        :return: True if the MAC address is valid, otherwise False.
+        """
+        pattern = re.compile('^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$', re.MULTILINE)
+        if isinstance(mac_address, list):
+            for mac in mac_address:
+                if re.match(pattern, mac) is None:
+                    return False
+        else:
+            if re.match(pattern, mac_address) is None:
+                return False
+
+        return True
+
+    @staticmethod
+    def _is_ip_address(ip_address: str):
+        """
+        Verifies that the given string or list of IP addresses (strings) is a valid IPv4/IPv6 address.
+        Accepts comma-separated lists of IP addresses, like "192.169.178.1, 192.168.178.2"
+
+        :param ip_address: The IP address(es) as list of strings or comma-separated string.
+        :return: True if all IP addresses are valid, otherwise False. And a list of IP addresses as string.
+        """
+        ip_address_output = []
+
+        # a comma-separated list of IP addresses must be splitted first
+        if isinstance(ip_address, str):
+            ip_address = ip_address.split(',')
+
+        for ip in ip_address:
+            try:
+                ipaddress.ip_address(ip)
+                ip_address_output.append(ip)
+            except ValueError:
+                return False, ip_address_output
+
+        if len(ip_address_output) == 1:
+            return True, ip_address_output[0]
+        else:
+            return True, ip_address_output
+
+    @staticmethod
+    def _is_port(ports_input: str):
+        """
+        Verifies if the given value is a valid port. Accepts port ranges, like 80-90, 80..99, 80...99.
+
+        :param ports_input: The port number as int or string.
+        :return: True if the port number is valid, otherwise False. If a single port or a comma-separated list of ports
+        was given, a list of int is returned. If a port range was given, the range is resolved
+        and a list of int is returned.
+        """
+
+        def _is_invalid_port(num):
+            """
+            Checks whether the port number is invalid.
+
+            :param num: The port number as int.
+            :return: True if the port number is invalid, otherwise False.
+            """
+            return num < 1 or num > 65535<