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change-windows10-mac-address.py
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change-windows10-mac-address.py
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##################################################################################################
#Copyright of David Bombal, 2021 #
#https://www.davidbombal.com #
#https://www.youtube.com/davidbombal #
# #
# Please note that this code can be improved by using functions. It is not programmed to cater #
# for all situations, but to be used as a learning tool. #
# #
# This code is provided for educational purposes only. Do good. Be Ethical. #
# #
##################################################################################################
import subprocess
import winreg
import re
import codecs
print("##############################################################")
print("1) Make sure you run this script with administrator privileges")
print("2) Make sure that the WiFi adapter is connected to a network")
print("##############################################################\n")
# MAC Addresses to attempt using. You will select one when the script is used.
# You can change the names in this list or add names to this list.
# Make sure you use 12 valid hexadecimal values.
# If the MAC address change fails try setting the second character to 2 or 6 or A or E,
# for example: 0A1122334455 or 0A5544332211
# If unsure, leave the MAC addresses listed here as is.
mac_to_change_to = ["0A1122334455", "0E1122334455", "021122334455", "061122334455"]
# We create an empty list where we'll store all the MAC addresses.
mac_addresses = list()
# We start off by creating a regular expression (regex) for MAC addresses.
macAddRegex = re.compile(r"([A-Za-z0-9]{2}[:-]){5}([A-Za-z0-9]{2})")
# We create a regex for the transport names. It will work in this case.
# But when you use the .+ or .*, you should consider making it not as greedy.
transportName = re.compile("({.+})")
# We create regex to pick out the adapter index
adapterIndex = re.compile("([0-9]+)")
# Python allows us to run system commands by using a function provided by the subprocess module:
# (subprocess.run(<list of command line arguments goes here>,
# <specify the second argument if you want to capture the output>))
# The script is a parent process and creates a child process which runs the system command,
# and will only continue once the child process has completed.
# To save the content that gets sent to the standard output stream (the terminal),
# we have to specify that we want to capture the output, so we specify the second
# argument as capture_output = True. This information gets stored in the stdout attribute.
# The information is stored in bytes and we need to decode it to Unicode before we use it
# as a String in Python.
# We use Python to run the getmac command, and then capture the output.
# We split the output at the newline so that we can work with the individual lines
# (which will contain the Mac and transport name).
getmac_output = subprocess.run("getmac", capture_output=True).stdout.decode().split('\n')
# We loop through the output
for macAdd in getmac_output:
# We use the regex to find the Mac Addresses.
macFind = macAddRegex.search(macAdd)
# We use the regex to find the transport name.
transportFind = transportName.search(macAdd)
# If you don't find a Mac Address or Transport name the option won't be listed.
if macFind == None or transportFind == None:
continue
# We append a tuple with the Mac Address and the Transport name to a list.
mac_addresses.append((macFind.group(0),transportFind.group(0)))
# Create a simple menu to select which Mac Address the user want to update.
print("Which MAC Address do you want to update?")
for index, item in enumerate(mac_addresses):
print(f"{index} - Mac Address: {item[0]} - Transport Name: {item[1]}")
# Prompt the user to select Mac Address they want to update.
option = input("Select the menu item number corresponding to the MAC that you want to change:")
# Create a simple menu so the user can pick a MAC address to use
while True:
print("Which MAC address do you want to use? This will change the Network Card's MAC address.")
for index, item in enumerate(mac_to_change_to):
print(f"{index} - Mac Address: {item}")
# Prompt the user to select the MAC address they want to change to.
update_option = input("Select the menu item number corresponding to the new MAC address that you want to use:")
# Check to see if the option the user picked is a valid option.
if int(update_option) >= 0 and int(update_option) < len(mac_to_change_to):
print(f"Your Mac Address will be changed to: {mac_to_change_to[int(update_option)]}")
break
else:
print("You didn't select a valid option. Please try again!")
# We know the first part of the key, we'll append the folders where we'll search the values
controller_key_part = r"SYSTEM\ControlSet001\Control\Class\{4d36e972-e325-11ce-bfc1-08002be10318}"
# We connect to the HKEY_LOCAL_MACHINE registry. If we specify None,
# it means we connect to local machine's registry.
with winreg.ConnectRegistry(None, winreg.HKEY_LOCAL_MACHINE) as hkey:
# Create a list for the 21 folders. I used a list comprehension. The expression part of the list comprehension
# makes use of a ternary operator. The transport value for you Mac Address should fall within this range.
# You could write multiple lines.
controller_key_folders = [("\\000" + str(item) if item < 10 else "\\00" + str(item)) for item in range(0, 21)]
# We now iterate through the list of folders we created.
for key_folder in controller_key_folders:
# We try to open the key. If we can't we just except and pass. But it shouldn't be a problem.
try:
# We have to specify the registry we connected to, the controller key
# (This is made up of the controller_key_part we know and the folder(key) name we created
# with the list comprehension).
with winreg.OpenKey(hkey, controller_key_part + key_folder, 0, winreg.KEY_ALL_ACCESS) as regkey:
# We will now look at the Values under each key and see if we can find the "NetCfgInstanceId"
# with the same Transport Id as the one we selected.
try:
# Values start at 0 in the registry and we have to count through them.
# This will continue until we get a WindowsError (Where we will then just pass)
# then we'll start with the next folder until we find the correct key which contains
# the value we're looking for.
count = 0
while True:
# We unpack each individual winreg value into name, value and type.
name, value, type = winreg.EnumValue(regkey, count)
# To go to the next value if we didn't find what we're looking for we increment count.
count = count + 1
# We check to see if our "NetCfgInstanceId" is equal to our Transport number for our
# selected Mac Address.
if name == "NetCfgInstanceId" and value == mac_addresses[int(option)][1]:
new_mac_address = mac_to_change_to[int(update_option)]
winreg.SetValueEx(regkey, "NetworkAddress", 0, winreg.REG_SZ, new_mac_address)
print("Successly matched Transport Number")
# get list of adapters and find index of adapter you want to disable.
break
except WindowsError:
pass
except:
pass
# Code to disable and enable Wireless devicess
run_disable_enable = input("Do you want to disable and reenable your wireless device(s). Press Y or y to continue:")
# Changes the input to lowercase and compares to y. If not y the while function which contains the last part will never run.
if run_disable_enable.lower() == 'y':
run_last_part = True
else:
run_last_part = False
# run_last_part will be set to True or False based on above code.
while run_last_part:
# Code to disable and enable the network adapters
# We get a list of all network adapters. You have to ignore errors, as it doesn't like the format the command returns the data in.
network_adapters = subprocess.run(["wmic", "nic", "get", "name,index"], capture_output=True).stdout.decode('utf-8', errors="ignore").split('\r\r\n')
for adapter in network_adapters:
# We get the index for each adapter
adapter_index_find = adapterIndex.search(adapter.lstrip())
# If there is an index and the adapter has wireless in description we are going to disable and enable the adapter
if adapter_index_find and "Wireless" in adapter:
disable = subprocess.run(["wmic", "path", "win32_networkadapter", "where", f"index={adapter_index_find.group(0)}", "call", "disable"],capture_output=True)
# If the return code is 0, it means that we successfully disabled the adapter
if(disable.returncode == 0):
print(f"Disabled {adapter.lstrip()}")
# We now enable the network adapter again.
enable = subprocess.run(["wmic", "path", f"win32_networkadapter", "where", f"index={adapter_index_find.group(0)}", "call", "enable"],capture_output=True)
# If the return code is 0, it means that we successfully enabled the adapter
if (enable.returncode == 0):
print(f"Enabled {adapter.lstrip()}")
# We run the getmac command again
getmac_output = subprocess.run("getmac", capture_output=True).stdout.decode()
# We recreate the Mac Address as ot shows up in getmac XX-XX-XX-XX-XX-XX format from the 12 character string we have. We split the string into strings of length 2 using list comprehensions and then. We use "-".join(list) to recreate the address
mac_add = "-".join([(mac_to_change_to[int(update_option)][i:i+2]) for i in range(0, len(mac_to_change_to[int(update_option)]), 2)])
# We want to check if Mac Address we changed to is in getmac output, if so we have been successful.
if mac_add in getmac_output:
print("Mac Address Success")
# Break out of the While loop. Could also change run_last_part to False.
break