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port_scanner.py
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#/usr/bin/env python3
import argparse
import socket
import signal
import sys
from concurrent.futures import ThreadPoolExecutor
from termcolor import colored
open_socket = []
def def_handler(sig, frame):
print(colored("\n[!] Saliendo del programa", 'red'))
for socket in open_socket:
socket.close()
sys.exit(1)
signal.signal(signal.SIGINT, def_handler) # Ctrl+C
def get_arguments():
parser = argparse.ArgumentParser(description='Escáner de Puertos')
parser.add_argument("-t", "--target", dest="target", required=True, help="Host a escanear (Ex. 192.168.1.1)")
parser.add_argument("-p", "--port", dest="port", required=True, help="Rango de puertos a escanear (EX. -p 1-2000)")
options = parser.parse_args()
return options.target, options.port
def create_socket():
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.settimeout(1)
open_socket.append(s)
return s
def port_scanner(port: int, host):
s = create_socket()
try:
s.connect((host, port))
print(colored(f"\n[+] El puerto {port} esta abierto", 'green'))
except (socket.timeout, ConnectionRefusedError):
pass
finally:
s.close()
def scan_ports(ports, target):
with ThreadPoolExecutor(max_workers=200) as executor:
executor.map(lambda port: port_scanner(port, target), ports)
def parse_ports(ports_str):
if '-' in ports_str:
start, end = map(int, ports_str.split('-'))
return range(start, end+1)
elif ',':
return map(int, ports_str.split(','))
else:
return (int(ports_str),)
def main():
target, ports_str = get_arguments()
ports = parse_ports(ports_str)
scan_ports(ports, target)
if __name__ == '__main__':
main()