146 lines
3.1 KiB
Python
146 lines
3.1 KiB
Python
|
#!/usr/bin/env/ python3
|
||
|
|
"""
|
||
|
|
Escaner de puertos
|
||
|
|
"""
|
||
|
|
|
||
|
|
import argparse
|
||
|
|
import socket as s
|
||
|
|
import signal
|
||
|
|
import sys
|
||
|
|
from concurrent.futures import ThreadPoolExecutor
|
||
|
|
from termcolor import colored
|
||
|
|
|
||
|
|
open_sockets = []
|
||
|
|
|
||
|
|
|
||
|
|
def def_handler(sig, frame):
|
||
|
|
"""
|
||
|
|
Función para manejar la señal SIGINT (Ctrl + C).
|
||
|
|
"""
|
||
|
|
|
||
|
|
print(colored("\n[!] Saliendo...", "blue"))
|
||
|
|
|
||
|
|
for sock in open_sockets:
|
||
|
|
|
||
|
|
sock.close()
|
||
|
|
|
||
|
|
sys.exit(1)
|
||
|
|
|
||
|
|
|
||
|
|
signal.signal(signal.SIGINT, def_handler) # CTRL + C
|
||
|
|
|
||
|
|
|
||
|
|
def get_arguments():
|
||
|
|
"""
|
||
|
|
Función para obtener los argumentos de la línea de comandos.
|
||
|
|
"""
|
||
|
|
|
||
|
|
parser = argparse.ArgumentParser(description="Escaner de puertos TCP")
|
||
|
|
parser.add_argument(
|
||
|
|
"-t", "--target", dest="target", required=True,
|
||
|
|
help="IP objetivo a escanear (Ej: -t 192.168.1.1)"
|
||
|
|
)
|
||
|
|
parser.add_argument(
|
||
|
|
"-p", "--port", dest="port", required=True,
|
||
|
|
help="""Rango de puertos a escanear
|
||
|
|
(Ej: -p 80 or -p 50-100 or -p 80,443,8080)"""
|
||
|
|
)
|
||
|
|
options = parser.parse_args()
|
||
|
|
|
||
|
|
return options.target, options.port
|
||
|
|
|
||
|
|
|
||
|
|
def port_scanner(port, host):
|
||
|
|
"""
|
||
|
|
Función para escanear un puerto en un host dado.
|
||
|
|
"""
|
||
|
|
|
||
|
|
with s.socket(s.AF_INET, s.SOCK_STREAM) as sock:
|
||
|
|
|
||
|
|
try:
|
||
|
|
|
||
|
|
sock.settimeout(2)
|
||
|
|
|
||
|
|
open_sockets.append(sock)
|
||
|
|
|
||
|
|
sock.connect((host, port))
|
||
|
|
|
||
|
|
sock.sendall(b"HEAD / HTTP/1.0\r\n\r\n")
|
||
|
|
response = sock.recv(1024)
|
||
|
|
response = response.decode(errors="ignore").split("\n")
|
||
|
|
|
||
|
|
if response:
|
||
|
|
print(
|
||
|
|
colored(
|
||
|
|
f"\n[+] El puerto {port} está abierto", "green"
|
||
|
|
)
|
||
|
|
)
|
||
|
|
# print(
|
||
|
|
# colored(
|
||
|
|
# f"\t[+] Respuesta del puerto {port}: {response}",
|
||
|
|
# "blue"
|
||
|
|
# )
|
||
|
|
# )
|
||
|
|
|
||
|
|
for line in response:
|
||
|
|
print(colored(line, "grey"))
|
||
|
|
|
||
|
|
else:
|
||
|
|
print(
|
||
|
|
colored(
|
||
|
|
f"\n[+] El puerto {port} está abierto",
|
||
|
|
"green"
|
||
|
|
)
|
||
|
|
)
|
||
|
|
|
||
|
|
except (s.timeout, ConnectionRefusedError):
|
||
|
|
pass
|
||
|
|
|
||
|
|
finally:
|
||
|
|
sock.close()
|
||
|
|
|
||
|
|
|
||
|
|
def scan_ports(ports, target):
|
||
|
|
"""
|
||
|
|
Función para escanear una lista de puertos en un host dado.
|
||
|
|
"""
|
||
|
|
|
||
|
|
with ThreadPoolExecutor(max_workers=100) as executor:
|
||
|
|
|
||
|
|
executor.map(lambda port: port_scanner(port, target), ports)
|
||
|
|
|
||
|
|
|
||
|
|
def parse_ports(ports_str):
|
||
|
|
"""
|
||
|
|
Función para analizar la cadena de puertos y devolver una secuencia de puertos.
|
||
|
|
"""
|
||
|
|
|
||
|
|
if "-" in ports_str:
|
||
|
|
|
||
|
|
start_port, end_port = map(int, ports_str.split("-"))
|
||
|
|
|
||
|
|
return range(start_port - 1, end_port + 1)
|
||
|
|
|
||
|
|
elif "," in ports_str:
|
||
|
|
|
||
|
|
return map(int, ports_str.split(","))
|
||
|
|
|
||
|
|
else:
|
||
|
|
|
||
|
|
return int(ports_str),
|
||
|
|
|
||
|
|
|
||
|
|
def main():
|
||
|
|
"""
|
||
|
|
Función principal del programa.
|
||
|
|
"""
|
||
|
|
|
||
|
|
target, ports_str = get_arguments()
|
||
|
|
ports = parse_ports(ports_str)
|
||
|
|
|
||
|
|
scan_ports(ports, target)
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == "__main__":
|
||
|
|
main()
|