import logging from random import randint, uniform from lea import Lea from Attack import BaseAttack from Attack.AttackParameters import Parameter as Param from Attack.AttackParameters import ParameterTypes logging.getLogger("scapy.runtime").setLevel(logging.ERROR) # noinspection PyPep8 from scapy.utils import RawPcapReader from scapy.layers.inet import IP, Ether, TCP, RandShort class JoomlaRegPrivExploit(BaseAttack.BaseAttack): template_attack_pcap_path = "resources/joomla_registration_privesc.pcap" # HTTP port http_port = 80 # Metasploit experiments show this range of ports minDefaultPort = 30000 maxDefaultPort = 50000 def __init__(self): """ Creates a new instance of the Joomla Registeration Privileges Escalation Exploit. """ # Initialize attack super(JoomlaRegPrivExploit, self).__init__("JoomlaRegPrivesc Exploit", "Injects an JoomlaRegPrivesc exploit'", "Privilege elevation") # Define allowed parameters and their type self.supported_params = { Param.MAC_SOURCE: ParameterTypes.TYPE_MAC_ADDRESS, Param.IP_SOURCE: ParameterTypes.TYPE_IP_ADDRESS, Param.MAC_DESTINATION: ParameterTypes.TYPE_MAC_ADDRESS, Param.IP_DESTINATION: ParameterTypes.TYPE_IP_ADDRESS, Param.PORT_DESTINATION: ParameterTypes.TYPE_PORT, Param.TARGET_HOST: ParameterTypes.TYPE_DOMAIN, #Param.TARGET_URI: ParameterTypes.TYPE_URI, Param.INJECT_AT_TIMESTAMP: ParameterTypes.TYPE_FLOAT, Param.INJECT_AFTER_PACKET: ParameterTypes.TYPE_PACKET_POSITION, Param.PACKETS_PER_SECOND: ParameterTypes.TYPE_FLOAT } 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 utilsvalues # (values are overwritten if user specifies them) # Attacker configuration 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.MAC_SOURCE, self.statistics.get_mac_address(most_used_ip_address)) # Victim configuration random_ip_address = self.statistics.get_random_ip_address() self.add_param_value(Param.IP_DESTINATION, random_ip_address) destination_mac = self.statistics.get_mac_address(random_ip_address) 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_DESTINATION, self.http_port) # self.add_param_value(Param.TARGET_URI, '/') self.add_param_value(Param.TARGET_HOST, "www.hackme.com") # Attack configuration self.add_param_value(Param.INJECT_AFTER_PACKET, randint(0, self.statistics.get_packet_count())) 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) def generate_attack_pcap(self, context): def update_timestamp(timestamp, pps): """ 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. """ # Calculate the request timestamp # A distribution 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()) def getIntervalPPS(complement_interval_pps, timestamp): """ Gets the packet rate (pps) in specific time interval. :return: the corresponding packet rate for 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 # Timestamp timestamp_next_pkt = self.get_param_value(Param.INJECT_AT_TIMESTAMP) pps = self.get_param_value(Param.PACKETS_PER_SECOND) # Calculate complement packet rates of BG traffic per interval complement_interval_pps = self.statistics.calculate_complement_packet_rates(pps) # Initialize parameters packets = [] mac_source = self.get_param_value(Param.MAC_SOURCE) ip_source = self.get_param_value(Param.IP_SOURCE) port_source = randint(self.minDefaultPort, self.maxDefaultPort) mac_destination = self.get_param_value(Param.MAC_DESTINATION) ip_destination = self.get_param_value(Param.IP_DESTINATION) port_destination = self.get_param_value(Param.PORT_DESTINATION) target_host = self.get_param_value(Param.TARGET_HOST) target_uri = "/" #self.get_param_value(Param.TARGET_URI) # Check ip.src == ip.dst self.ip_src_dst_equal_check(ip_source, ip_destination) path_attack_pcap = None # Set TTL based on TTL distribution of IP address source_ttl_dist = self.statistics.get_ttl_distribution(ip_source) if len(source_ttl_dist) > 0: source_ttl_prob_dict = Lea.fromValFreqsDict(source_ttl_dist) source_ttl_value = source_ttl_prob_dict.random() else: source_ttl_value = self.statistics.process_db_query("most_used(ttlValue)") destination_ttl_dist = self.statistics.get_ttl_distribution(ip_destination) if len(destination_ttl_dist) > 0: destination_ttl_prob_dict = Lea.fromValFreqsDict(destination_ttl_dist) destination_ttl_value = destination_ttl_prob_dict.random() else: destination_ttl_value = self.statistics.process_db_query("most_used(ttlValue)") # Inject Joomla_registration_privesc # Read joomla_registration_privesc pcap file orig_ip_dst = None exploit_raw_packets = RawPcapReader(self.template_attack_pcap_path) inter_arrival_times, inter_arrival_time_dist = self.get_inter_arrival_time(exploit_raw_packets,True) timeSteps = Lea.fromValFreqsDict(inter_arrival_time_dist) exploit_raw_packets = RawPcapReader(self.template_attack_pcap_path) # Random TCP sequence numbers global attacker_seq attacker_seq = randint(1000,50000) global victim_seq victim_seq = randint(1000,50000) for pkt_num, pkt in enumerate(exploit_raw_packets): eth_frame = Ether(pkt[0]) ip_pkt = eth_frame.payload tcp_pkt = ip_pkt.payload str_tcp_seg = str(tcp_pkt.payload) # Clean payloads eth_frame.payload = b'' ip_pkt.payload = b'' tcp_pkt.payload = b'' if pkt_num == 0: prev_orig_port_source = tcp_pkt.getfieldval("sport") if tcp_pkt.getfieldval("dport") == self.http_port: orig_ip_dst = ip_pkt.getfieldval("dst") # victim IP # Request: Attacker --> vicitm if ip_pkt.getfieldval("dst") == orig_ip_dst: # victim IP # There are 7 TCP connections with different source ports, for each of them we generate random port if tcp_pkt.getfieldval("sport") != prev_orig_port_source: port_source = randint(self.minDefaultPort, self.maxDefaultPort) prev_orig_port_source = tcp_pkt.getfieldval("sport") # New connection, new random TCP sequence numbers attacker_seq = randint(1000, 50000) victim_seq = randint(1000, 50000) # First packet in a connection has ACK = 0 tcp_pkt.setfieldval("ack", 0) # Ether eth_frame.setfieldval("src", mac_source) eth_frame.setfieldval("dst", mac_destination) # IP ip_pkt.setfieldval("src", ip_source) ip_pkt.setfieldval("dst", ip_destination) ip_pkt.setfieldval("ttl", source_ttl_value) # TCP tcp_pkt.setfieldval("sport",port_source) tcp_pkt.setfieldval("dport", port_destination) str_tcp_seg = self.modify_http_header(str_tcp_seg, '/joomla360', target_uri, orig_ip_dst, target_host) # TCP Seq, Ack if tcp_pkt.getfieldval("ack") != 0: tcp_pkt.setfieldval("ack", victim_seq) tcp_pkt.setfieldval("seq", attacker_seq) if not(tcp_pkt.getfieldval("flags") == 16 and len(str_tcp_seg) == 0): # flags=A: attacker_seq += max(len(str_tcp_seg),1) new_pkt = (eth_frame / ip_pkt/ tcp_pkt / str_tcp_seg) new_pkt.time = timestamp_next_pkt pps = max(getIntervalPPS(complement_interval_pps, timestamp_next_pkt), 10) timestamp_next_pkt = update_timestamp(timestamp_next_pkt, pps) + float(timeSteps.random()) # Reply: Victim --> attacker else: # Ether eth_frame.setfieldval("src", mac_destination) eth_frame.setfieldval("dst", mac_source) # IP ip_pkt.setfieldval("src", ip_destination) ip_pkt.setfieldval("dst", ip_source) ip_pkt.setfieldval("ttl", destination_ttl_value) # TCP tcp_pkt.setfieldval("dport", port_source) tcp_pkt.setfieldval("sport", port_destination) str_tcp_seg = self.modify_http_header(str_tcp_seg, '/joomla360', target_uri, orig_ip_dst, target_host) # TCP Seq, ACK tcp_pkt.setfieldval("ack", attacker_seq) tcp_pkt.setfieldval("seq", victim_seq) strLen = len(str_tcp_seg) if not(tcp_pkt.getfieldval("flags") == 16 and strLen == 0): # flags=A: victim_seq += max(strLen, 1) new_pkt = (eth_frame / ip_pkt / tcp_pkt / str_tcp_seg) pps = max(getIntervalPPS(complement_interval_pps, timestamp_next_pkt), 10) timestamp_next_pkt = update_timestamp(timestamp_next_pkt, pps) + float(timeSteps.random()) new_pkt.time = timestamp_next_pkt packets.append(new_pkt) # Store timestamp of first packet (for attack label) self.attack_start_utime = packets[0].time self.attack_end_utime = packets[-1].time if len(packets) > 0: packets = sorted(packets, key=lambda pkt: pkt.time) path_attack_pcap = self.write_attack_pcap(packets, True, path_attack_pcap) # return packets sorted by packet time_sec_start # pkt_num+1: because pkt_num starts at 0 return pkt_num + 1, path_attack_pcap