Merge branch 'smb-scan-final' of stefan.schmidt/ID2T-toolkit into master

code/Attack/AttackParameters.py

@@ -10,6 +10,8 @@ class Parameter(Enum):
     IP_SOURCE = 'ip.src'  # source IP address
     IP_DESTINATION = 'ip.dst'  # destination IP address
     IP_DNS = 'ip.dns'  # IP address of DNS server
+    HOSTING_IP = 'hosting.ip'
+    IP_DESTINATION_END = 'ip.dst.end'
     # recommended type: MAC address ------------------------------
     MAC_SOURCE = 'mac.src'  # MAC address of source
     MAC_DESTINATION = 'mac.dst'  # MAC address of destination
@@ -37,6 +39,10 @@ class Parameter(Enum):
     IP_SOURCE_RANDOMIZE = 'ip.src.shuffle'  # randomizes the sources IP address if a list of IP addresses is given
     PORT_SOURCE_RANDOMIZE = 'port.src.shuffle'  # randomizes the source port if a list of sources ports is given
 
+    PROTOCOL_VERSION = 'protocol.version'
+    HOSTING_VERSION = 'hosting.version'
+    SOURCE_PLATFORM = 'src.platform'
+
 
 class ParameterTypes(Enum):
     """
@@ -52,3 +58,4 @@ class ParameterTypes(Enum):
     TYPE_FLOAT = 6
     TYPE_PACKET_POSITION = 7  # used to derive timestamp from parameter INJECT_AFTER_PACKET
     TYPE_DOMAIN = 8
+    TYPE_STRING = 9

code/Attack/BaseAttack.py

@@ -301,6 +301,9 @@ class BaseAttack(metaclass=ABCMeta):
             elif isinstance(value, str) and value.isdigit() and int(value) >= 0:
                 is_valid = True
                 value = int(value)
+        elif param_type == ParameterTypes.TYPE_STRING:
+            if isinstance(value, str):
+                is_valid = True
         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'

code/Attack/SMBScanAttack.py

@@ -0,0 +1,437 @@
+import logging
+
+from random import shuffle, randint, choice, uniform
+from lea import Lea
+
+from Attack import BaseAttack
+from Attack.AttackParameters import Parameter as Param
+from Attack.AttackParameters import ParameterTypes
+from ID2TLib.SMB2 import *
+from ID2TLib.Utility import *
+from ID2TLib.SMBLib import *
+
+
+logging.getLogger("scapy.runtime").setLevel(logging.ERROR)
+# noinspection PyPep8
+from scapy.layers.inet import IP, Ether, TCP
+from scapy.layers.smb import *
+from scapy.layers.netbios import *
+
+class SMBScanAttack(BaseAttack.BaseAttack):
+
+    def __init__(self):
+        """
+        Creates a new instance of the SMBScanAttack.
+
+        """
+        # Initialize attack
+        super(SMBScanAttack, self).__init__("SmbScan Attack", "Injects an SMB scan",
+                                             "Scanning/Probing")
+
+        # Define allowed parameters and their type
+        self.supported_params = {
+            Param.IP_SOURCE: ParameterTypes.TYPE_IP_ADDRESS,
+            Param.IP_DESTINATION: ParameterTypes.TYPE_IP_ADDRESS,
+            Param.PORT_SOURCE: ParameterTypes.TYPE_PORT,
+            Param.MAC_SOURCE: ParameterTypes.TYPE_MAC_ADDRESS,
+            Param.MAC_DESTINATION: ParameterTypes.TYPE_MAC_ADDRESS,
+            Param.INJECT_AT_TIMESTAMP: ParameterTypes.TYPE_FLOAT,
+            Param.INJECT_AFTER_PACKET: ParameterTypes.TYPE_PACKET_POSITION,
+            Param.IP_SOURCE_RANDOMIZE: ParameterTypes.TYPE_BOOLEAN,
+            Param.PACKETS_PER_SECOND: ParameterTypes.TYPE_FLOAT,
+            Param.PORT_SOURCE_RANDOMIZE: ParameterTypes.TYPE_BOOLEAN,
+            Param.HOSTING_IP: ParameterTypes.TYPE_IP_ADDRESS,
+            Param.HOSTING_VERSION: ParameterTypes.TYPE_STRING,
+            Param.SOURCE_PLATFORM: ParameterTypes.TYPE_STRING,
+            Param.PROTOCOL_VERSION: ParameterTypes.TYPE_STRING,
+            Param.IP_DESTINATION_END: ParameterTypes.TYPE_IP_ADDRESS
+        }
+
+    def init_params(self):
+        """
+        Initialize the parameters of this attack using the user supplied command line parameters.
+        Use the provided statistics to calculate default parameters and to process user
+        supplied queries.
+
+        :param statistics: Reference to a statistics object.
+        """
+        # PARAMETERS: initialize with default values
+        # (values are overwritten if user specifies them)
+        most_used_ip_address = self.statistics.get_most_used_ip_address()
+        if isinstance(most_used_ip_address, list):
+            most_used_ip_address = most_used_ip_address[0]
+
+        self.add_param_value(Param.IP_SOURCE, most_used_ip_address)
+        self.add_param_value(Param.IP_SOURCE_RANDOMIZE, 'False')
+        self.add_param_value(Param.MAC_SOURCE, self.statistics.get_mac_address(most_used_ip_address))
+
+        all_ips = self.statistics.get_ip_addresses()
+        if not isinstance(all_ips, list):
+            ip_destinations = []
+            ip_destinations.append(all_ips)
+        else:
+            ip_destinations = all_ips
+        self.add_param_value(Param.IP_DESTINATION, ip_destinations)
+        destination_mac = []
+        for ip in ip_destinations:
+            destination_mac.append(self.statistics.get_mac_address(str(ip)))
+        if isinstance(destination_mac, list) and len(destination_mac) == 0:
+            destination_mac = self.generate_random_mac_address()
+        self.add_param_value(Param.MAC_DESTINATION, destination_mac)
+        self.add_param_value(Param.PORT_SOURCE, randint(1024, 65535))
+        self.add_param_value(Param.PORT_SOURCE_RANDOMIZE, 'True')
+        self.add_param_value(Param.PACKETS_PER_SECOND,
+                             (self.statistics.get_pps_sent(most_used_ip_address) +
+                              self.statistics.get_pps_received(most_used_ip_address)) / 2)
+        self.add_param_value(Param.INJECT_AFTER_PACKET, randint(0, self.statistics.get_packet_count()))
+
+        rnd_ip_count = self.statistics.get_ip_address_count()/2
+        self.add_param_value(Param.HOSTING_IP, self.statistics.get_random_ip_address(rnd_ip_count))
+        self.host_os = get_rnd_os()
+        self.add_param_value(Param.HOSTING_VERSION, get_smb_version(platform=self.host_os))
+        self.add_param_value(Param.SOURCE_PLATFORM, get_rnd_os())
+        self.add_param_value(Param.PROTOCOL_VERSION, "1")
+        self.add_param_value(Param.IP_DESTINATION_END, "0.0.0.0")
+
+    def generate_attack_pcap(self):
+        def update_timestamp(timestamp, pps, delay=0):
+            """
+            Calculates the next timestamp to be used based on the packet per second rate (pps) and the maximum delay.
+
+            :return: Timestamp to be used for the next packet.
+            """
+            if delay == 0:
+                # Calculate request timestamp
+                # To imitate the bursty behavior of traffic
+                randomdelay = Lea.fromValFreqsDict({1 / pps: 70, 2 / pps: 20, 5 / pps: 7, 10 / pps: 3})
+                return timestamp + uniform(1/pps ,  randomdelay.random())
+            else:
+                # Calculate reply timestamp
+                randomdelay = Lea.fromValFreqsDict({2*delay: 70, 3*delay: 20, 5*delay: 7, 10*delay: 3})
+                return timestamp + uniform(1 / pps + delay,  1 / pps + randomdelay.random())
+
+        def getIntervalPPS(complement_interval_pps, timestamp):
+            """
+            Gets the packet rate (pps) for a specific time interval.
+
+            :param complement_interval_pps: an array of tuples (the last timestamp in the interval, the packet rate in the crresponding interval).
+            :param timestamp: the timestamp at which the packet rate is required.
+            :return: the corresponding packet rate (pps) .
+            """
+            for row in complement_interval_pps:
+                if timestamp<=row[0]:
+                    return row[1]
+            return complement_interval_pps[-1][1] # in case the timstamp > capture max timestamp
+
+        def get_ip_data(ip_address: str):
+            """
+            Gets the MSS, TTL and Windows Size values of a given IP
+
+            :param ip_address: the ip of which (packet-)data shall be returned
+            :return: MSS, TTL and Window Size values of the given IP
+            """
+            # Set MSS (Maximum Segment Size) based on MSS distribution of IP address
+            mss_dist = self.statistics.get_mss_distribution(ip_address)
+            if len(mss_dist) > 0:
+                mss_prob_dict = Lea.fromValFreqsDict(mss_dist)
+                mss_value = mss_prob_dict.random()
+            else:
+                mss_value = self.statistics.process_db_query("most_used(mssValue)")
+
+            # Set TTL based on TTL distribution of IP address
+            ttl_dist = self.statistics.get_ttl_distribution(ip_address)
+            if len(ttl_dist) > 0:
+                ttl_prob_dict = Lea.fromValFreqsDict(ttl_dist)
+                ttl_value = ttl_prob_dict.random()
+            else:
+                ttl_value = self.statistics.process_db_query("most_used(ttlValue)")
+
+            # Set Window Size based on Window Size distribution of IP address
+            win_dist = self.statistics.get_win_distribution(ip_address)
+            if len(win_dist) > 0:
+                win_prob_dict = Lea.fromValFreqsDict(win_dist)
+                win_value = win_prob_dict.random()
+            else:
+                win_value = self.statistics.process_db_query("most_used(winSize)")
+
+            return mss_value, ttl_value, win_value
+
+        pps = self.get_param_value(Param.PACKETS_PER_SECOND)
+
+        # Calculate complement packet rates of the background traffic for each interval
+        complement_interval_pps = self.statistics.calculate_complement_packet_rates(pps)
+
+
+        # Timestamp
+        timestamp_next_pkt = self.get_param_value(Param.INJECT_AT_TIMESTAMP)
+        # store start time of attack
+        self.attack_start_utime = timestamp_next_pkt
+        timestamp_prv_reply, timestamp_confirm = 0,0
+
+        # Initialize parameters
+        ip_source = self.get_param_value(Param.IP_SOURCE)
+        ip_destinations = self.get_param_value(Param.IP_DESTINATION)
+        hosting_ip = self.get_param_value(Param.HOSTING_IP)
+        ip_range_end = self.get_param_value(Param.IP_DESTINATION_END)
+        mac_source = self.get_param_value(Param.MAC_SOURCE)
+        mac_dest = self.get_param_value(Param.MAC_DESTINATION)
+
+        # Check smb version
+        smb_version = self.get_param_value(Param.PROTOCOL_VERSION)
+        if smb_version not in smb_versions:
+            invalid_smb_version(smb_version)
+        hosting_version = self.get_param_value(Param.HOSTING_VERSION)
+        if hosting_version not in smb_versions:
+            invalid_smb_version(hosting_version)
+        # Check source platform
+        src_platform = self.get_param_value(Param.SOURCE_PLATFORM).lower()
+        packets = []
+
+        # randomize source ports according to platform, if specified
+        if self.get_param_value(Param.PORT_SOURCE_RANDOMIZE):
+            sport = generate_source_port_from_platform(src_platform)
+        else:
+            sport = self.get_param_value(Param.PORT_SOURCE)
+
+        # No destination IP was specified, but a destination MAC was specified, generate IP that fits MAC
+        if isinstance(ip_destinations, list) and isinstance(mac_dest, str):
+            ip_destinations = self.statistics.get_ip_address_from_mac(mac_dest)
+            if len(ip_destinations) == 0:
+                ip_destinations = self.generate_random_ipv4_address("Unknown", 1)
+            # Check ip.src == ip.dst
+            self.ip_src_dst_equal_check(ip_source, ip_destinations)
+
+        ip_dests = []
+        if isinstance(ip_destinations, list):
+            ip_dests = ip_destinations
+        else:
+            ip_dests.append(ip_destinations)
+
+        # Generate IPs of destination IP range, if specified
+        if ip_range_end != "0.0.0.0":
+            ip_dests = get_ip_range(ip_dests[0], ip_range_end)
+            shuffle(ip_dests)
+
+        # Randomize source IP, if specified
+        if self.get_param_value(Param.IP_SOURCE_RANDOMIZE):
+            ip_source = self.generate_random_ipv4_address("Unknown", 1)
+            while ip_source in ip_dests:
+                ip_source = self.generate_random_ipv4_address("Unknown", 1)
+            mac_source = self.statistics.get_mac_address(str(ip_source))
+            if len(mac_source) == 0:
+                mac_source = self.generate_random_mac_address()
+
+        # Get MSS, TTL and Window size value for source IP
+        source_mss_value, source_ttl_value, source_win_value = get_ip_data(ip_source)
+
+        for ip in ip_dests:
+
+            if ip != ip_source:
+
+                # Get destination Mac Address
+                mac_destination = self.statistics.get_mac_address(str(ip))
+                if len(mac_destination) == 0:
+                    if isinstance(mac_dest, str):
+                        if len(self.statistics.get_ip_address_from_mac(mac_dest)) != 0:
+                            ip = self.statistics.get_ip_address_from_mac(mac_dest)
+                            self.ip_src_dst_equal_check(ip_source, ip)
+
+                        mac_destination = mac_dest
+
+                    else:
+                        mac_destination = self.generate_random_mac_address()
+
+                # Get MSS, TTL and Window size value for destination IP
+                destination_mss_value, destination_ttl_value, destination_win_value = get_ip_data(ip)
+
+                minDelay, maxDelay = self.get_reply_delay(ip)
+
+                # New connection, new random TCP sequence numbers
+                attacker_seq = randint(1000, 50000)
+                victim_seq = randint(1000, 50000)
+
+                # Randomize source port for each connection if specified
+                if self.get_param_value(Param.PORT_SOURCE_RANDOMIZE):
+                    sport = generate_source_port_from_platform(src_platform, sport)
+
+                # 1) Build request package
+                request_ether = Ether(src=mac_source, dst=mac_destination)
+                request_ip = IP(src=ip_source, dst=ip, ttl=source_ttl_value, flags='DF')
+                request_tcp = TCP(sport=sport, dport=smb_port, window=source_win_value, flags='S',
+                                  seq=attacker_seq, options=[('MSS', source_mss_value)])
+                attacker_seq += 1
+                request = (request_ether / request_ip / request_tcp)
+                request.time = timestamp_next_pkt
+
+                # Append request
+                packets.append(request)
+
+                # Update timestamp for next package
+                timestamp_reply = update_timestamp(timestamp_next_pkt, pps, minDelay)
+                while (timestamp_reply <= timestamp_prv_reply):
+                    timestamp_reply = update_timestamp(timestamp_prv_reply, pps, minDelay)
+                timestamp_prv_reply = timestamp_reply
+
+                if ip in hosting_ip:
+
+                    # 2) Build TCP packages for ip that hosts SMB
+
+                    # destination sends SYN, ACK
+                    reply_ether = Ether(src=mac_destination, dst=mac_source)
+                    reply_ip = IP(src=ip, dst=ip_source, ttl=destination_ttl_value, flags='DF')
+                    reply_tcp = TCP(sport=smb_port, dport=sport, seq=victim_seq, ack=attacker_seq, flags='SA',
+                                    window=destination_win_value, options=[('MSS', destination_mss_value)])
+                    victim_seq += 1
+                    reply = (reply_ether / reply_ip / reply_tcp)
+                    reply.time = timestamp_reply
+                    packets.append(reply)
+
+                    # requester confirms, ACK
+                    confirm_ether = request_ether
+                    confirm_ip = request_ip
+                    confirm_tcp = TCP(sport=sport, dport=smb_port, seq=attacker_seq, ack=victim_seq,
+                                      window=source_win_value, flags='A')
+                    confirm = (confirm_ether / confirm_ip / confirm_tcp)
+                    timestamp_confirm = update_timestamp(timestamp_reply, pps, minDelay)
+                    confirm.time = timestamp_confirm
+                    packets.append(confirm)
+
+                    smb_MID = randint(1, 65535)
+                    smb_PID = randint(1, 65535)
+                    smb_req_tail_arr = []
+                    smb_req_tail_size = 0
+
+                    # select dialects based on smb version
+                    if smb_version is "1":
+                        smb_req_dialects = smb_dialects[0:6]
+                    else:
+                        smb_req_dialects = smb_dialects
+                    if len(smb_req_dialects) == 0:
+                        smb_req_tail_arr.append(SMBNegociate_Protocol_Request_Tail())
+                        smb_req_tail_size = len(SMBNegociate_Protocol_Request_Tail())
+                    else:
+                        for dia in smb_req_dialects:
+                            smb_req_tail_arr.append(SMBNegociate_Protocol_Request_Tail(BufferData = dia))
+                            smb_req_tail_size += len(SMBNegociate_Protocol_Request_Tail(BufferData = dia))
+
+                    smb_req_head = SMBNegociate_Protocol_Request_Header\
+                        (Flags2=0x2801, PID=smb_PID, MID=smb_MID, ByteCount=smb_req_tail_size)
+                    smb_req_length = len(smb_req_head) + smb_req_tail_size
+                    smb_req_net_bio = NBTSession(TYPE=0x00, LENGTH=smb_req_length)
+                    smb_req_tcp = TCP(sport=sport, dport=smb_port, flags='PA', seq=attacker_seq, ack=victim_seq)
+                    smb_req_ip = IP(src=ip_source, dst=ip, ttl=source_ttl_value)
+                    smb_req_ether = Ether(src=mac_source, dst=mac_destination)
+                    attacker_seq += len(smb_req_net_bio) + len(smb_req_head) + smb_req_tail_size
+
+                    smb_req_combined = (smb_req_ether / smb_req_ip / smb_req_tcp / smb_req_net_bio / smb_req_head)
+
+                    for i in range(0 , len(smb_req_tail_arr)):
+                        smb_req_combined = smb_req_combined / smb_req_tail_arr[i]
+
+                    timestamp_smb_req = update_timestamp(timestamp_confirm, pps, minDelay)
+                    smb_req_combined.time = timestamp_smb_req
+                    packets.append(smb_req_combined)
+
+                    # destination confirms SMB request package
+                    reply_tcp = TCP(sport=smb_port, dport=sport, seq=victim_seq, ack=attacker_seq,
+                                    window=destination_win_value, flags='A')
+                    confirm_smb_req = (reply_ether / reply_ip / reply_tcp)
+                    timestamp_reply = update_timestamp(timestamp_smb_req, pps, minDelay)
+                    confirm_smb_req.time = timestamp_reply
+                    packets.append(confirm_smb_req)
+
+                    # smb response package
+                    first_timestamp = time.mktime(time.strptime(self.statistics.get_pcap_timestamp_start()[:19],
+                                                                "%Y-%m-%d %H:%M:%S"))
+                    server_Guid, security_blob, capabilities, data_size, server_start_time = get_smb_platform_data\
+                        (self.host_os, first_timestamp)
+
+                    timestamp_smb_rsp = update_timestamp(timestamp_reply, pps, minDelay)
+                    diff = timestamp_smb_rsp - timestamp_smb_req
+                    begin = get_filetime_format(timestamp_smb_req+diff*0.1)
+                    end = get_filetime_format(timestamp_smb_rsp-diff*0.1)
+                    system_time = randint(begin, end)
+
+                    if smb_version is not "1" and hosting_version is not "1":
+                        smb_rsp_paket = SMB2_SYNC_Header(Flags = 1)
+                        smb_rsp_negotiate_body = SMB2_Negotiate_Protocol_Response\
+                            (DialectRevision=0x02ff, SecurityBufferOffset=124, SecurityBufferLength=len(security_blob),
+                             SecurityBlob=security_blob, Capabilities=capabilities, MaxTransactSize=data_size,
+                             MaxReadSize=data_size, MaxWriteSize=data_size, SystemTime=system_time,
+                             ServerStartTime=server_start_time, ServerGuid=server_Guid)
+                        smb_rsp_length = len(smb_rsp_paket) + len(smb_rsp_negotiate_body)
+                    else:
+                        smb_rsp_paket = SMBNegociate_Protocol_Response_Advanced_Security\
+                            (Start="\xffSMB", PID=smb_PID, MID=smb_MID, DialectIndex=5, SecurityBlob=security_blob)
+                        smb_rsp_length = len(smb_rsp_paket)
+                    smb_rsp_net_bio = NBTSession(TYPE=0x00, LENGTH=smb_rsp_length)
+                    smb_rsp_tcp = TCP(sport=smb_port, dport=sport, flags='PA', seq=victim_seq, ack=attacker_seq)
+                    smb_rsp_ip = IP(src=ip, dst=ip_source, ttl=destination_ttl_value)
+                    smb_rsp_ether = Ether(src=mac_destination, dst=mac_source)
+                    victim_seq += len(smb_rsp_net_bio) + len(smb_rsp_paket)
+                    if smb_version is not "1"and hosting_version is not "1":
+                        victim_seq += len(smb_rsp_negotiate_body)
+
+                    smb_rsp_combined = (smb_rsp_ether / smb_rsp_ip / smb_rsp_tcp / smb_rsp_net_bio / smb_rsp_paket)
+                    if smb_version is not "1"and hosting_version is not "1":
+                        smb_rsp_combined = (smb_rsp_combined / smb_rsp_negotiate_body)
+
+                    smb_rsp_combined.time = timestamp_smb_rsp
+                    packets.append(smb_rsp_combined)
+
+
+                    # source confirms SMB response package
+                    confirm_tcp = TCP(sport=sport, dport=smb_port, seq=attacker_seq, ack=victim_seq,
+                                      window=source_win_value, flags='A')
+                    confirm_smb_res = (confirm_ether / confirm_ip / confirm_tcp)
+                    timestamp_confirm = update_timestamp(timestamp_smb_rsp, pps, minDelay)
+                    confirm_smb_res.time = timestamp_confirm
+                    packets.append(confirm_smb_res)
+
+                    # attacker sends FIN ACK
+                    confirm_tcp = TCP(sport=sport, dport=smb_port, seq=attacker_seq, ack=victim_seq,
+                                      window=source_win_value, flags='FA')
+                    source_fin_ack = (confirm_ether / confirm_ip / confirm_tcp)
+                    timestamp_src_fin_ack = update_timestamp(timestamp_confirm, pps, minDelay)
+                    source_fin_ack.time = timestamp_src_fin_ack
+                    attacker_seq += 1
+                    packets.append(source_fin_ack)
+
+                    # victim sends FIN ACK
+                    reply_tcp = TCP(sport=smb_port, dport=sport, seq=victim_seq, ack=attacker_seq,
+                                    window=destination_win_value, flags='FA')
+                    destination_fin_ack = (reply_ether / reply_ip / reply_tcp)
+                    timestamp_dest_fin_ack = update_timestamp(timestamp_src_fin_ack, pps, minDelay)
+                    victim_seq += 1
+                    destination_fin_ack.time = timestamp_dest_fin_ack
+                    packets.append(destination_fin_ack)
+
+                    # source sends final ACK
+                    confirm_tcp = TCP(sport=sport, dport=smb_port, seq=attacker_seq, ack=victim_seq,
+                                      window=source_win_value, flags='A')
+                    final_ack = (confirm_ether / confirm_ip / confirm_tcp)
+                    timestamp_final_ack = update_timestamp(timestamp_dest_fin_ack, pps, minDelay)
+                    final_ack.time = timestamp_final_ack
+                    packets.append(final_ack)
+
+                else:
+                    # Build RST package
+                    reply_ether = Ether(src=mac_destination, dst=mac_source)
+                    reply_ip = IP(src=ip, dst=ip_source, ttl=destination_ttl_value, flags='DF')
+                    reply_tcp = TCP(sport=smb_port, dport=sport, seq=0, ack=attacker_seq, flags='RA',
+                                    window=destination_win_value, options=[('MSS', destination_mss_value)])
+                    reply = (reply_ether / reply_ip / reply_tcp)
+                    reply.time = timestamp_reply
+                    packets.append(reply)
+
+            pps = max(getIntervalPPS(complement_interval_pps, timestamp_next_pkt), 10)
+            timestamp_next_pkt = update_timestamp(timestamp_next_pkt, pps)
+
+        # store end time of attack
+        self.attack_end_utime = packets[-1].time
+
+        # write attack packets to pcap
+        pcap_path = self.write_attack_pcap(sorted(packets, key=lambda pkt: pkt.time))
+
+        # return packets sorted by packet time_sec_start
+        return len(packets), pcap_path

code/ID2TLib/SMB2.py

@@ -0,0 +1,46 @@
+from scapy.packet import *
+from scapy.fields import *
+from scapy.layers.netbios import NBTSession
+
+
+
+class SMB2_SYNC_Header(Packet):
+    namez = "SMB2Negociate Protocol Response Header"
+    fields_desc = [StrFixedLenField("Start","\xfeSMB", 4),
+                   LEShortField("StructureSize", 64),
+                   LEShortField("CreditCharge", 0),
+                   LEIntField("Status", 0),
+                   LEShortField("Command", 0),
+                   LEShortField("CreditResponse", 0),
+                   LEIntField("Flags", 0),
+                   LEIntField("NextCommand", 0),
+                   LELongField("MessageID", 0),
+                   LEIntField("Reserved", 0),
+                   LEIntField("TreeID", 0x0),
+                   LELongField("SessionID", 0),
+                   LELongField("Signature1", 0),
+                   LELongField("Signature2", 0)]
+
+#No Support of Security Buffer , Padding or Dialect Revision 0x0311
+class SMB2_Negotiate_Protocol_Response(Packet):
+    namez = "SMB2Negociate Protocol Response"
+    fields_desc = [LEShortField("StructureSize", 65),
+                   LEShortField("SecurityMode", 0),
+                   LEShortField("DialectRevision", 0x0),
+                   LEShortField("NegotiateContentCount/Reserved", 0),
+                   StrFixedLenField("ServerGuid", "", 16),
+                   LEIntField("Capabilities", 0),
+                   LEIntField("MaxTransactSize", 0),
+                   LEIntField("MaxReadSize", 0),
+                   LEIntField("MaxWriteSize", 0),
+                   LELongField("SystemTime", 0),
+                   LELongField("ServerStartTime", 0),
+                   LEShortField("SecurityBufferOffset", 0),
+                   LEShortField("SecurityBufferLength", 0),
+                   StrLenField("SecurityBlob", "", length_from=lambda x: x.ByteCount + 16),
+                   LEIntField("NegotiateContextOffset/Reserved2", 0)]
+
+
+
+bind_layers(NBTSession, SMB2_SYNC_Header,)
+bind_layers(SMB2_SYNC_Header, SMB2_Negotiate_Protocol_Response,)

code/ID2TLib/SMBLib.py

@@ -0,0 +1,109 @@
+from os import urandom
+from binascii import b2a_hex
+
+from ID2TLib.Utility import *
+
+from scapy.layers.netbios import *
+
+# SMB port
+smb_port = 445
+
+# SMB versions
+smb_versions = {"1", "2.0", "2.1", "3.0", "3.0.2", "3.1.1"}
+smb_versions_per_win = {'win7': "2.1", 'win10': "3.1.1", 'winxp': "1", 'win8.1': "3.0.2", 'win8': "3.0",
+                        'winvista': "2.0", 'winnt': "1", "win2000": "1"}
+smb_versions_per_samba = {'3.6': "2.0", '4.0': "2.1", '4.1': "3.0", '4.3': "3.1.1"}
+# SMB dialects
+smb_dialects = ["PC NETWORK PROGRAM 1.0", "LANMAN1.0", "Windows for Workgroups 3.1a", "LM1.2X002", "LANMAN2.1",
+                "NT LM 0.12", "SMB 2.002", "SMB 2.???"]
+# SMB security blobs
+security_blob_windows = "\x60\x82\x01\x3c\x06\x06\x2b\x06\x01\x05\x05\x02\xa0\x82\x01\x30" \
+                        "\x30\x82\x01\x2c\xa0\x1a\x30\x18\x06\x0a\x2b\x06\x01\x04\x01\x82" \
+                        "\x37\x02\x02\x1e\x06\x0a\x2b\x06\x01\x04\x01\x82\x37\x02\x02\x0a" \
+                        "\xa2\x82\x01\x0c\x04\x82\x01\x08\x4e\x45\x47\x4f\x45\x58\x54\x53" \
+                        "\x01\x00\x00\x00\x00\x00\x00\x00\x60\x00\x00\x00\x70\x00\x00\x00" \
+                        "\xbc\x84\x03\x97\x6f\x80\x3b\x81\xa6\x45\x1b\x05\x92\x39\xde\x3d" \
+                        "\xd6\x91\x85\x49\x8a\xd0\x3b\x58\x87\x99\xb4\x98\xdf\xa6\x1d\x73" \
+                        "\x3b\x57\xbf\x05\x63\x5e\x30\xea\xa8\xd8\xd8\x45\xba\x80\x52\xa5" \
+                        "\x00\x00\x00\x00\x00\x00\x00\x00\x60\x00\x00\x00\x01\x00\x00\x00" \
+                        "\x00\x00\x00\x00\x00\x00\x00\x00\x5c\x33\x53\x0d\xea\xf9\x0d\x4d" \
+                        "\xb2\xec\x4a\xe3\x78\x6e\xc3\x08\x4e\x45\x47\x4f\x45\x58\x54\x53" \
+                        "\x03\x00\x00\x00\x01\x00\x00\x00\x40\x00\x00\x00\x98\x00\x00\x00" \
+                        "\xbc\x84\x03\x97\x6f\x80\x3b\x81\xa6\x45\x1b\x05\x92\x39\xde\x3d" \
+                        "\x5c\x33\x53\x0d\xea\xf9\x0d\x4d\xb2\xec\x4a\xe3\x78\x6e\xc3\x08" \
+                        "\x40\x00\x00\x00\x58\x00\x00\x00\x30\x56\xa0\x54\x30\x52\x30\x27" \
+                        "\x80\x25\x30\x23\x31\x21\x30\x1f\x06\x03\x55\x04\x03\x13\x18\x54" \
+                        "\x6f\x6b\x65\x6e\x20\x53\x69\x67\x6e\x69\x6e\x67\x20\x50\x75\x62" \
+                        "\x6c\x69\x63\x20\x4b\x65\x79\x30\x27\x80\x25\x30\x23\x31\x21\x30" \
+                        "\x1f\x06\x03\x55\x04\x03\x13\x18\x54\x6f\x6b\x65\x6e\x20\x53\x69" \
+                        "\x67\x6e\x69\x6e\x67\x20\x50\x75\x62\x6c\x69\x63\x20\x4b\x65\x79"
+security_blob_ubuntu = "\x60\x48\x06\x06\x2b\x06\x01\x05\x05\x02\xa0\x3e\x30\x3c\xa0\x0e" \
+                       "\x30\x0c\x06\x0a\x2b\x06\x01\x04\x01\x82\x37\x02\x02\x0a\xa3\x2a" \
+                       "\x30\x28\xa0\x26\x1b\x24\x6e\x6f\x74\x5f\x64\x65\x66\x69\x6e\x65" \
+                       "\x64\x5f\x69\x6e\x5f\x52\x46\x43\x34\x31\x37\x38\x40\x70\x6c\x65" \
+                       "\x61\x73\x65\x5f\x69\x67\x6e\x6f\x72\x65"
+security_blob_macos = "\x60\x7e\x06\x06\x2b\x06\x01\x05\x05\x02\xa0\x74\x30\x72\xa0\x44" \
+                      "\x30\x42\x06\x09\x2a\x86\x48\x82\xf7\x12\x01\x02\x02\x06\x09\x2a" \
+                      "\x86\x48\x86\xf7\x12\x01\x02\x02\x06\x06\x2a\x85\x70\x2b\x0e\x03" \
+                      "\x06\x06\x2b\x06\x01\x05\x05\x0e\x06\x0a\x2b\x06\x01\x04\x01\x82" \
+                      "\x37\x02\x02\x0a\x06\x06\x2b\x05\x01\x05\x02\x07\x06\x06\x2b\x06" \
+                      "\x01\x05\x02\x05\xa3\x2a\x30\x28\xa0\x26\x1b\x24\x6e\x6f\x74\x5f" \
+                      "\x64\x65\x66\x69\x6e\x65\x64\x5f\x69\x6e\x5f\x52\x46\x43\x34\x31" \
+                      "\x37\x38\x40\x70\x6c\x65\x61\x73\x65\x5f\x69\x67\x6e\x6f\x72\x65"
+
+
+def get_smb_version(platform: str):
+    """
+    Returns SMB version based on given platform
+
+    :param platform: the platform as string
+    :return: SMB version as string
+    """
+    check_platform(platform)
+    if platform is "linux":
+        return random.choice(list(smb_versions_per_samba.values()))
+    elif platform is "macos":
+        return "2.1"
+    else:
+        return smb_versions_per_win[platform]
+
+
+def get_smb_platform_data(platform: str, timestamp: float):
+    """
+    Gets platform-dependent data for SMB 2 packets
+
+    :param platform: the platform for which to get SMB 2 packet data
+    :param timestamp: a timestamp for calculating the boot-time
+    :return: server_guid, security_blob, capabilities, data_size and server_start_time of the given platform
+    """
+    check_platform(platform)
+    if platform == "linux":
+        server_guid = "ubuntu"
+        security_blob = security_blob_ubuntu
+        capabilities = 0x5
+        data_size = 0x800000
+        server_start_time = 0
+    elif platform == "macos":
+        server_guid = b2a_hex(urandom(15)).decode()
+        security_blob = security_blob_macos
+        capabilities = 0x6
+        data_size = 0x400000
+        server_start_time = 0
+    else:
+        server_guid = b2a_hex(urandom(15)).decode()
+        security_blob = security_blob_windows
+        capabilities = 0x7
+        data_size = 0x100000
+        server_start_time = get_filetime_format(get_rnd_boot_time(timestamp))
+    return server_guid, security_blob, capabilities, data_size, server_start_time
+
+
+def invalid_smb_version(version: str):
+    """
+    Prints an error and exits
+
+    :param version: the invalid SMB
+    """
+    print("\nInvalid smb version: " + version +
+          "\nPlease select one of the following versions: ", smb_versions)
+    exit(1)

code/ID2TLib/Statistics.py

@@ -499,6 +499,12 @@ class Statistics:
         result_dict = {key: value for (key, value) in result}
         return result_dict
 
+    def get_ip_address_count(self):
+        return self.process_db_query("SELECT COUNT(*) FROM ip_statistics")
+
+    def get_ip_addresses(self):
+        return self.process_db_query("SELECT ipAddress FROM ip_statistics")
+
     def get_random_ip_address(self, count: int = 1):
         """
         :param count: The number of IP addreses to return
@@ -513,6 +519,13 @@ class Statistics:
                 ip_address_list.append(self.process_db_query("random(all(ipAddress))"))
             return ip_address_list
 
+    def get_ip_address_from_mac(self, macAddress: str):
+        """
+        :param macAddress: the MAC address of which the IP shall be returned, if existing in DB
+        :return: the IP address used in the dataset by a given MAC address
+        """
+        return self.process_db_query('ipAddress(macAddress=' + macAddress + ")")
+
     def get_mac_address(self, ipAddress: str):
         """
         :return: The MAC address used in the dataset for the given IP address.

code/ID2TLib/Utility.py

@@ -0,0 +1,116 @@
+from random import randint
+from datetime import datetime, timedelta, tzinfo
+from calendar import timegm
+
+from lea import Lea
+
+from scapy.layers.netbios import *
+
+platforms = {"win7", "win10", "winxp", "win8.1", "macos", "linux", "win8", "winvista", "winnt", "win2000"}
+
+
+def get_rnd_os():
+    """
+    Chooses random platform over an operating system probability distribution
+
+    :return: random platform as string
+    """
+    os_dist = Lea.fromValFreqsDict({"win7": 48.43, "win10": 27.99, "winxp": 6.07, "win8.1": 6.07, "macos": 5.94,
+                                    "linux": 3.38, "win8": 1.35, "winvista": 0.46, "winnt": 0.31})
+    return os_dist.random()
+
+
+def check_platform(platform: str):
+    """
+    Checks if the given platform is currently supported
+    if not exits with error
+
+    :param platform: the platform, which should be validated
+    """
+    if platform not in platforms:
+        print("\nERROR: Invalid platform: " + platform + "." +
+              "\n Please select one of the following platforms: ", platforms)
+        exit(1)
+
+
+def get_ip_range(start_ip: str, end_ip: str):
+    """
+    Generates a list of IPs of a given range. If the start_ip is greater than the end_ip, the reverse range is generated
+
+    :param start_ip: the start_ip of the desired IP-range
+    :param end_ip:  the end_ip of the desired IP-range
+    :return: a list of all IPs in the desired IP-range, including start-/end_ip
+    """
+    start = ipaddress.ip_address(start_ip)
+    end = ipaddress.ip_address(end_ip)
+    ips = []
+    if start < end:
+        while start <= end:
+            ips.append(start.exploded)
+            start = start+1
+    elif start > end:
+        while start >= end:
+            ips.append(start.exploded)
+            start = start-1
+    else:
+        ips.append(start_ip)
+    return ips
+
+
+def generate_source_port_from_platform(platform: str, previousPort=0):
+    """
+    Generates the next source port according to the TCP-port-selection strategy of the given platform
+
+    :param platform: the platform for which to generate source ports
+    :param previousPort: the previously used/generated source port. Must be 0 if no port was generated before
+    :return: the next source port for the given platform
+    """
+    check_platform(platform)
+    if platform in {"winnt", "winxp", "win2000"}:
+        if (previousPort == 0) or (previousPort + 1 > 5000):
+            return randint(1024, 5000)
+        else:
+            return previousPort + 1
+    elif platform == "linux":
+        return randint(32768, 61000)
+    else:
+        if (previousPort == 0) or (previousPort + 1 > 65535):
+            return randint(49152, 65535)
+        else:
+            return previousPort + 1
+
+
+def get_filetime_format(timestamp):
+    """
+    Converts a timestamp into MS FILETIME format
+
+    :param timestamp: a timestamp in seconds
+    :return: MS FILETIME timestamp
+    """
+    boot_datetime = datetime.fromtimestamp(timestamp)
+    if boot_datetime.tzinfo is None or boot_datetime.tzinfo.utcoffset(boot_datetime) is None:
+        boot_datetime = boot_datetime.replace(tzinfo=boot_datetime.tzname())
+    boot_filetime = 116444736000000000 + (timegm(boot_datetime.timetuple()) * 10000000)
+    return boot_filetime + (boot_datetime.microsecond * 10)
+
+
+def get_rnd_boot_time(timestamp, platform="winxp"):
+    """
+    Generates a random boot time based on a given timestamp and operating system
+
+    :param timestamp: a timestamp in seconds
+    :param platform: a platform as string as specified in check_platform above. default is winxp. this param is optional
+    :return: timestamp of random boot time in seconds since EPOCH
+    """
+    check_platform(platform)
+    if platform is "linux":
+        uptime_in_days = Lea.fromValFreqsDict({3: 50, 7: 25, 14: 12.5, 31: 6.25, 92: 3.125, 183: 1.5625,
+                                               365: 0.78125, 1461: 0.390625, 2922: 0.390625})
+    elif platform is "macos":
+        uptime_in_days = Lea.fromValFreqsDict({7: 50, 14: 25, 31: 12.5, 92: 6.25, 183: 3.125, 365: 3.076171875,
+                                               1461: 0.048828125})
+    else:
+        uptime_in_days = Lea.fromValFreqsDict({3: 50, 7: 25, 14: 12.5, 31: 6.25, 92: 3.125, 183: 1.5625,
+                                               365: 0.78125, 1461: 0.78125})
+    timestamp -= randint(0, uptime_in_days.random()*86400)
+    return timestamp