import argparse
import subprocess
import sys
import signal
import re
from termcolor import colored
from concurrent.futures import ThreadPoolExecutor
def def_handler(sig,frame):
print(colored(f"\n[!] Saliendo...\n","red"))
sys.exit(1)
signal.signal(signal.SIGINT, def_handler)
def get_arguments():
parser=argparse.ArgumentParser(description="Herramienta para descubrir host activos en una red (ICMP)")
parser.add_argument("-t","--target",required=True,dest="target", help="Host o rango de red a escanear")
parser.add_argument("-th","--thread",dest="max_threads",help="Máximo de hilos al realizar el escaneo", type=int)
return parser.parse_args()
def parse_target(target_str):
target_str_splitted=target_str.split('.')
first_three_octets='.'.join(target_str_splitted[:3])
ip_total='.'.join(target_str_splitted[:4])
ip_valid=re.match(r"^192\.168\.\d{1,3}\.\d{1,3}(-\d{1,3})?$", ip_total)
if len(target_str_splitted) == 4 and ip_valid:
if "-" in target_str_splitted[3]:
start,end=target_str_splitted[3].split('-')
return [f"{first_three_octets}.{i}" for i in range(int(start), int(end)+1)]
else:
return [target_str]
else:
print(colored(f"\n[!] El formato de IP o rango de IP no es válido","red"))
def host_discovery(target):
try:
ping= subprocess.run(["ping","-c","1",target], timeout=1, stdout=subprocess.DEVNULL)
if ping.returncode==0:
print(colored(f"\n[+] La IP {target} está activa","green"))
except subprocess.TimeoutExpired:
pass
def main():
args=get_arguments()
targets=parse_target(args.target)
with ThreadPoolExecutor(max_workers=args.max_threads) as executor:
executor.map(host_discovery,targets)
if __name__=='__main__':
main()
