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MACky.py
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MACky.py
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#!/usr/bin/env python3
import optparse
import re
import subprocess
def get_arguments():
parser = optparse.OptionParser()
parser.add_option("-i", "--interface", dest="interface",
help="specify network interface")
parser.add_option("-m", "--mac", dest="new_mac",
help="specify new MAC address")
(options, arguments) = parser.parse_args()
if not options.interface:
parser.error(
"[-] Please specify an interface. Use --help for more information.")
elif not options.new_mac:
parser.error(
"[-] Please specify a MAC address. Use --help for more information.")
return options
def get_current_mac(interface):
ifconfig_result = subprocess.check_output(["ifconfig", interface])
mac_address_search_result = re.search(
r"\w\w:\w\w:\w\w:\w\w:\w\w:\w\w", str(ifconfig_result))
if mac_address_search_result:
return mac_address_search_result.group(0)
else:
print("[-] Could not read MAC address.")
def change_mac(interface, new_mac):
print("[+] Changing MAC address for " + interface + " to " + new_mac)
subprocess.call(["ifconfig", interface, "down"])
subprocess.call(["ifconfig", interface, "hw", "ether", new_mac])
subprocess.call(["ifconfig", interface, "up"])
options = get_arguments()
current_mac = get_current_mac(options.interface)
print("Current MAC = " + str(current_mac))
change_mac(options.interface, options.new_mac)
current_mac = get_current_mac(options.interface)
if current_mac == options.new_mac:
print("[+] MAC address was successfully changed to " + options.new_mac)
else:
print("[-] MAC address was not changed.")