import argparse
import re
from termcolor import colored
import subprocess
import sys
import signal
import socket
def def_handler(sig,frame):
print(colored(f"\n[!] Saliendo del programa...\n","red"))
sys.exit(1)
signal.signal(signal.SIGINT, def_handler)
def get_arguments():
parser= argparse.ArgumentParser(description="Herramienta para cambiar la dirección MAC de una interfaz de red")
parser.add_argument("-i","--interface", dest="interface", help="Nombre de la interfaz de red", required=True)
parser.add_argument("-m","--mac",dest="mac_address", help="Nueva dirección MAC para la interfaz de red")
parser.add_argument("-l","--list",dest="list_mac",action="store_true",help="Listar la dirección MAC actual")
return parser.parse_args()
def is_valid_input(interface,mac_address):
is_valid_interface= re.match(r'^[e][n|t][s|h]\d{1,2}$', interface)
is_valid_mac_address = re.match(r'^([A-Fa-f0-9]{2}[:]){5}[A-Fa-f0-9]{2}$', mac_address)
return is_valid_interface and is_valid_mac_address
def check_interface(interface):
list_interfaces=socket.if_nameindex()
for i in list_interfaces:
if interface in i:
return interface
def list_mac(interface):
print(colored("\n[+] Mostrando la direción MAC actual: \n", 'yellow'))
subprocess.run(["macchanger", "-s", interface])
def change_mac_address(interface,mac_address):
if is_valid_input(interface,mac_address) and check_interface(interface):
subprocess.run(["ifconfig", interface, "down"])
subprocess.run(["ifconfig",interface,"hw","ether", mac_address])
subprocess.run(["ifconfig", interface, "up"])
print(colored(f"\n[+] La MAC ha sido cambiada exitosamente\n",'green'))
print(colored(f"\n[+] Mostrando nueva dirección MAC:\n",'yellow'))
subprocess.run(["macchanger","-s", interface])
else:
print(colored("\n[!] Los datos introducidos son incorrectos", 'red'))
def main():
if subprocess.check_output(["whoami"]).decode().strip() == 'root':
args= get_arguments()
if "-m" in sys.argv:
change_mac_address(args.interface,args.mac_address)
elif "-l" in sys.argv:
list_mac(args.interface)
elif len(sys.argv)== 3 :
print(colored("\n[!] Es necesario especificar el parámetro -m o -l",'red'))
else:
print(colored(f"\n[!] Para ejecutar este script es necesario ser root.","red"))
sys.exit(1)
if __name__ == '__main__':
main()
