script to change stored wifi password

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Release Time

12/15/2023

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Update Time

04/18/2025

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wireless network

Description
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RUN AS LOCALSYSTEM USER

This script will disconnect wifi connection and change the password for the given SSID wifi profile stored in the system. after running this script, you will be able to connect to the given SSID wifi profile only when you change the password to the password you have given in this script for the wifi itself in the router.

NOTE:

give the SSID in the variable "SSID" for which you want to change the password. for example: SSID = "arthur"
give the password in the variable "password". for example: password = "12345678abcd"

this script has been scanned with virustotal.com and xcitium verdict cloud.

PYTHON SCRIPT FILE SHA1 VALUE - 01c409ff1f14a993b862a62f039eb4fd15d4a612

JSON FILE SHA1 VALUE - fb6a1a99c074fc6ec07002b137f1478762d48483

Procedure's Instructions

SSID = "change me"
password = "change me"

import ctypes
from subprocess import PIPE, Popen
import re
import os

def ecmd(command):
    class disable_file_system_redirection:
        _disable = ctypes.windll.kernel32.Wow64DisableWow64FsRedirection
        _revert = ctypes.windll.kernel32.Wow64RevertWow64FsRedirection
        def __enter__(self):
            self.old_value = ctypes.c_long()
            self.success = self._disable(ctypes.byref(self.old_value))
        def __exit__(self, type, value, traceback):
            if self.success:
                self._revert(self.old_value)

with disable_file_system_redirection():
        obj = Popen(command, shell = True, stdout = PIPE, stderr = PIPE)
    out, err = obj.communicate()
    return out,err

print(ecmd('netsh wlan disconnect'))
out,err = ecmd('netsh wlan export profile folder="C:\ProgramData\" name="%s" key=clear'%(SSID))
if out:
    filename = "Wi-Fi-%s.xml"%(SSID)
    filepath = "C:\ProgramData\%s"%(filename)
    with open(filepath, 'r') as f:
        xml_content = f.read()
    new_xml_content = re.sub('<keyMaterial>.*</keyMaterial>','<keyMaterial>%s</keyMaterial>'%(password),xml_content)
    with open(filepath, 'w') as f:
        f.write(new_xml_content)
    out,err = ecmd('netsh wlan delete profile name="%s"'%(SSID))
    if out:
        out,err = ecmd('netsh wlan add profile filename="%s"'%(filepath))
        if out:
            print(out)
            print("successfully changed the wifi password")
            os.remove(filepath)
        else:
            print(err)
            print("couldn't add the wifi profile")
    else:
        print(err)
        print("couldn't delete the wifi profile")
else:
    print(err)
    print("couldn't export the wifi profile")

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