From 7f601e84a73e18406e5ea2c7443baa628a8741d9 Mon Sep 17 00:00:00 2001
From: Manuel Vergara <manuel@vergaracarmona.es>
Date: Fri, 26 Jan 2024 19:40:27 +0100
Subject: [PATCH] Add mac changer

---
 .../13_cambiar_mac_address/macchanger.py      | 100 ++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 python-ofensivo/13_cambiar_mac_address/macchanger.py

diff --git a/python-ofensivo/13_cambiar_mac_address/macchanger.py b/python-ofensivo/13_cambiar_mac_address/macchanger.py
new file mode 100644
index 0000000..db32cbc
--- /dev/null
+++ b/python-ofensivo/13_cambiar_mac_address/macchanger.py
@@ -0,0 +1,100 @@
+#!/usr/bin/env python3
+"""
+Cambiar la dirección mac
+
+"""
+
+
+import argparse
+import re
+import signal
+import subprocess
+import sys
+from termcolor import colored
+
+
+def def_handler(sig, frame):
+
+        print(colored(
+            f'\n[!] Saliendo del programa...', 'red'
+        ))
+
+        sys.exit(1)
+
+signal.signal(signal.SIGINT, def_handler)
+
+def get_arguments():
+
+    parser = argparse.ArgumentParser(
+        description='Herramienta para cambiar la dirección mac'
+    )
+    parser.add_argument(
+        '-i', '--interface',
+        dest='interface',
+        help='Nombre de la interfaz de red',
+        required=True
+    )
+    parser.add_argument(
+        '-m', '--mac',
+        dest='new_mac',
+        help='Nueva dirección mac',
+        required=True
+    )
+
+    return parser.parse_args()
+
+
+def is_valid_input(interface, new_mac):
+
+    is_valid_interface = re.match(
+        r'^[w|e][n|l][o]\d{1,2}$', interface
+    )
+
+    is_valid_mac = re.match(
+        r'^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$', new_mac
+    )
+
+    if not is_valid_interface:
+
+        print(colored(
+            f'\n[!] El nombre de la interfaz de red no es válida', 'red'
+        ))
+
+
+    if not is_valid_mac:
+
+        print(colored(
+            f'\n[!] La dirección mac no es válida', 'red'
+        ))
+
+
+    return is_valid_interface and is_valid_mac
+
+
+def change_mac_address(interface, new_mac):
+
+    if is_valid_input(interface, new_mac):
+
+        print(colored(
+            f'\n[+] Cambiando la dirección mac de {interface} a {new_mac}', 'blue'
+        ))
+
+        subprocess.run(["sudo", "ifconfig", interface, "down"])
+        subprocess.run(["sudo", "ifconfig", interface, "hw", "ether", new_mac])
+        subprocess.run(["sudo", "ifconfig", interface, "up"])
+
+        print(colored(
+            f'\n[+] Dirección mac cambiada correctamente', 'green'
+        ))
+
+
+
+def main():
+
+    args = get_arguments()
+    change_mac_address(args.interface, args.new_mac)
+
+
+if __name__ == '__main__':
+
+    main()