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| import argparse | |
| import ipaddress | |
| from os import path | |
| from time import sleep | |
| from shlex import split | |
| from scapy.all import sniff | |
| from threading import Thread | |
| from subprocess import Popen, PIPE | |
| valid_ranges = [] | |
| intern_ranges = ["10.0.0.0/8", "172.16.0.0/12", "192.168.0.0/16"] | |
| def listen(args): | |
| global valid_ranges | |
| if path.isfile(args.output): | |
| valid_ranges = open(args.output, "r").read().splitlines() | |
| print(f"Already found ranges:") | |
| for ip_range in valid_ranges: | |
| print(f"{ip_range}") | |
| log_file = open(args.output, "a") | |
| print(f'Listening for incoming packets on {args.interface}... Press Ctrl+C to stop.') | |
| sniff(iface=args.interface, prn=lambda packet: packet_callback(packet, log_file), store=0) | |
| def packet_callback(packet, log_file): | |
| global valid_ranges | |
| if packet.haslayer("IP"): | |
| for ip_range in intern_ranges: | |
| if ipaddress.ip_address(packet["IP"].src) in ipaddress.ip_network(ip_range, strict=False): | |
| slash24range = f'{".".join(packet["IP"].src.split(".")[:3])}.0/24' | |
| # print(slash24range, valid_ranges, slash24range in valid_ranges) | |
| if slash24range not in valid_ranges: | |
| valid_ranges.append(slash24range) | |
| log_file.write(f"{slash24range}\n") | |
| log_file.flush() | |
| print(slash24range) | |
| def scan(args): | |
| print("Launching Masscan on internal ranges") | |
| if args.rate: | |
| print(args.rate) | |
| rate = args.rate | |
| else: | |
| rate = "100000" | |
| command = f"xterm -e masscan 192.168.0.0/16 10.0.0.0/8 172.16.0.0/12 -p 22,80,443,445,3389 --rate {rate}" | |
| Popen(split(command) , stdout=PIPE, stderr=PIPE) | |
| if __name__ == "__main__": | |
| parser = argparse.ArgumentParser() | |
| parser.add_argument("-i", help="Interface on which to listen and run scan", dest="interface", required=True) | |
| parser.add_argument("-o", help="File in which to write found ranges", dest="output", required=True) | |
| parser.add_argument("--scan", help="Launch internal ranges masscan", dest="scan", action="store_true") | |
| parser.add_argument("--rate", help="Scan rate (the more the faster)", dest="rate") | |
| args = parser.parse_args() | |
| Thread(target=listen, args=(args,)).start() | |
| sleep(2) | |
| if args.scan: | |
| Thread(target=scan, args=(args,)).start() |
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