Skip to content

Instantly share code, notes, and snippets.

@wdormann
wdormann / noappinstaller.reg
Last active December 14, 2021 00:30
Prevent the ability to click on a ms-appinstaller: URI for the current user
Windows Registry Editor Version 5.00
[HKEY_CURRENT_USER\Software\Classes\ms-appinstaller]
"URL Protocol"=-
@wdormann
wdormann / checksvc-lpe.py
Created November 23, 2021 14:27
Python script to check for explicitly privileged services that are controllable by non-admin users
import os
import subprocess
import ctypes
# See: https://blogs.msmvps.com/erikr/2007/09/26/set-permissions-on-a-specific-service-windows/
svcinfo = {}
#nonadmin = ['AU', 'AN', 'BG', 'BU', 'DG', 'WD', 'IU', 'LG']
nonadmin = ['AU', 'AN', 'BG', 'BU', 'DG', 'IU', 'LG']
FNULL = open(os.devnull, 'w')
@wdormann
wdormann / CVE-2021-21224.html
Last active October 31, 2022 22:01
Sample ARM64 PoC for CVE-2021-21224
<script>
function gc() {
for (var i = 0; i < 0x80000; ++i) {
var a = new ArrayBuffer();
}
}
let shellcode = [
// Move x18 to x28 (TEB)
@wdormann
wdormann / privtasks.ps1
Last active August 15, 2023 15:15
List privileged scheduled tasks that don't come with Windows
$currentPrincipal = New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())
if (-Not $currentPrincipal.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) {
Write-Warning "We don't have elevated privileges. The following results may not be complete."
}
schtasks /query /fo csv -v | ConvertFrom-Csv | ? {$_.Status -notlike "Disabled" -and $_.TaskName -notlike "\Microsoft\Windows\*" -and $_.TaskName -notlike "\Microsoft\Office\*" -and $_.TaskName -notlike "\Microsoft\XblGameSave\*" -and $_.TaskName -notlike "TaskName" -and ($_."Run As User" -like "*system" -or $_."Run As User" -like "Administrator*")} | fl taskname,"Comment","Task To Run","Run As User"
@wdormann
wdormann / privileged.ps1
Last active May 9, 2024 17:42
List privileged services that don't come with Windows 10 VMware guest
$win10_builtin = @('AppVClient', 'ClickToRunSvc', 'COMSysApp', 'diagnosticshub.standardcollector.service',
'msiserver', 'ose', 'perceptionsimulation', 'SecurityHealthService', 'Sense',
'SensorDataService', 'SgrmBroker', 'Spooler', 'ssh-agent', 'TieringEngineService',
'TrustedInstaller', 'UevAgentService', 'vds', 'VSS', 'wbengine', 'WinDefend', 'wmiApSrv',
'WSearch', 'XboxNetApiSvc', 'XboxGipSvc', 'XblGameSave', 'XblAuthManager', 'WwanSvc', 'wuauserv',
'WwanSvc', 'wuauserv', 'WpnService', 'WPDBusEnum', 'WpcMonSvc', 'WManSvc', 'wlidsvc', 'WlanSvc',
'wisvc', 'Winmgmt', 'WiaRpc', 'WerSvc', 'wercplsupport', 'WdiSystemHost', 'WbioSrvc', 'WalletService',
'WaaSMedicSvc', 'vmvss', 'vmicvss', 'vmicvmsession', 'vmicshutdown', 'vmicrdv', 'vmickvpexchange',
'vmicheartbeat', 'vmicguestinterface', 'VaultSvc', 'UsoSvc', 'UserManager', 'UmRdpService',
'TroubleshootingSvc', 'TrkWks', 'TokenBroker', 'Themes', 'TabletInputService',
@wdormann
wdormann / tasks.py
Last active September 2, 2020 15:26
List privileged scheduled tasks in Windows that don't come with Windows 10
# Don't use this version!
# Try https://gist.github.com/wdormann/8afe4edf605627ee4f203861b6cc3a1c instead
#
# Utility for listing SYSTEM-privileged scheduled tasks on Windows
# Tasks that come with Windows 10 are not included.
# Admin privileges are required to list all scheduled tasks.
import csv
import subprocess
import tempfile
@wdormann
wdormann / privileged.py
Last active April 30, 2021 13:07
List privileged services that don't come with Windows 10 - deprecated
# DON'T USE THIS VERSION!
# Try https://gist.github.com/wdormann/89ed779933fe205fb52ecf3eacf5ff40 instead
import os
import subprocess
# See: https://blogs.msmvps.com/erikr/2007/09/26/set-permissions-on-a-specific-service-windows/
svcinfo = {}
FNULL = open(os.devnull, 'w')
@wdormann
wdormann / checkaslr.py
Last active April 20, 2020 18:16
Check for running processes on Windows that have components that do not utilize ASLR
#!/usr/bin/env python
'''
Utility to check for processes running with non-ASLR-compatible components.
Run with Administrative privileges to get visibility into all processes.
(1a) psutil: https://pypi.org/project/psutil/
Installed via PIP
-OR-
(1b) Sysinternals ListDLLs: https://docs.microsoft.com/en-us/sysinternals/downloads/listdlls
@wdormann
wdormann / gist:874198c1bd29c7dd2157d9fc1d858263
Last active August 31, 2025 20:01
List of Android apps that include libpl_droidsonroids_gif.so - potentially vulnerable to CVE-2019-11932. Sorted by install count.
This file has been truncated, but you can view the full file.
com.whatsapp 1000000000
com.lenovo.anyshare.gps 1000000000
com.instagram.android 1000000000
com.zhiliaoapp.musically 500000000
com.viber.voip 500000000
wp.wattpad 100000000
vStudio.Android.Camera360 100000000
vsin.t16_funny_photo 100000000
com.yahoo.mobile.client.android.mail 100000000
com.xvideostudio.videoeditor 100000000
@wdormann
wdormann / disable_discimage.reg
Last active August 11, 2024 21:55
Disable Windows Explorer file associations for Disc Image Mount (ISO, IMG, VHD, VHDX)
Windows Registry Editor Version 5.00
[-HKEY_CLASSES_ROOT\.iso]
[-HKEY_CLASSES_ROOT\Windows.IsoFile\shell\mount\command]
[-HKEY_CLASSES_ROOT\.img]
[-HKEY_CLASSES_ROOT\.vhdx]