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https://github.com/bohops/UltimateWDACBypassList

A centralized resource for previously documented WDAC bypass techniques
https://github.com/bohops/UltimateWDACBypassList

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A centralized resource for previously documented WDAC bypass techniques

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README 

        
# Ultimate WDAC Bypass List



A centralized resource for previously documented WDAC/Device Guard/UMCI bypass techniques as well for building/managing/testing WDAC policies



*Many of the LOLBINs are included on the [Applications that can bypass WDAC List](https://learn.microsoft.com/en-us/windows/security/application-security/application-control/windows-defender-application-control/design/applications-that-can-bypass-wdac) formerly called the "Microsoft Recommended Block Rules List"



*This repository was inspired by [Oddvar Moe](https://twitter.com/Oddvarmoe)'s [Ultimate AppLocker Bypass List](https://github.com/api0cradle/UltimateAppLockerByPassList)



*As always, this is a work in progress...



------------------------------

### Applications that can bypass WDAC - "LOLBIN" Write-Ups



#### addinprocess.exe

 - By James Forshaw (@tiraniddo)

 - DG on Windows 10 S: Executing Arbitrary Code

   - https://www.tiraniddo.dev/2017/07/dg-on-windows-10-s-executing-arbitrary.html



#### addinprocess32.exe

 - By James Forshaw (@tiraniddo)

 - DG on Windows 10 S: Executing Arbitrary Code 

   - https://www.tiraniddo.dev/2017/07/dg-on-windows-10-s-executing-arbitrary.html



#### addinutil.exe

 - By Unknown (Documented by @McKinleyMike and @TheLatteri)

 - Insecure Deserialization in AddinUtil.exe 

   - https://www.blue-prints.blog/content/blog/posts/lolbin/addinutil-lolbas.html



#### aspnet_compiler.exe

 - By cpl (@cpl3h)

 - The Curious Case of Aspnet_Compiler.exe

   - https://ijustwannared.team/2020/08/01/the-curious-case-of-aspnet_compiler-exe/



#### bginfo.exe

 - By Oddvar Moe (@Oddvarmoe)

 - Bypassing Application Whitelisting with BGInfo

   - https://msitpros.com/?p=3831



#### cdb.exe

- By Matt Graeber (@mattifestation)

- Bypassing Application Whitelisting by using WinDbg/CDB as a Shellcode Runner

  - http://www.exploit-monday.com/2016/08/windbg-cdb-shellcode-runner.html



#### csi.exe

 - By Casey Smith (@subTee)

 - Application Whitelisting Bypass - CSI.EXE C# Scripting

   - https://web.archive.org/web/20161008143428/http://subt0x10.blogspot.com/2016/09/application-whitelisting-bypass-csiexe.html



#### dbghost.exe

- By Casey Smith (@subTee)

- dbghost.exe - Ghost And The Darkness

  - https://web.archive.org/web/20170926164017/http://subt0x10.blogspot.com/2017/09/dbghostexe-ghost-in-darkness.html



#### dnx.exe

- By Matt Nelson (@enigma0x3)

- BYPASSING APPLICATION WHITELISTING BY USING DNX.EXE

  - https://enigma0x3.net/2016/11/17/bypassing-application-whitelisting-by-using-dnx-exe/



#### dotnet.exe

 - By Jimmy Bayne (@bohops)

 - DotNet Core: A Vector For AWL Bypass & Defense Evasion

   - https://bohops.com/2019/08/19/dotnet-core-a-vector-for-awl-bypass-defense-evasion/



#### fsi.exe

 - By Nick Tyrer (@NickTyrer) [Write-up: Jimmy Bayne (@bohops)]

 - GitHub Gist: fsi.exe inline execution

   - https://gist.github.com/NickTyrer/51eb8c774a909634fa69b4d06fc79ae1

   - https://twitter.com/NickTyrer/status/904273264385589248

 - Exploring the WDAC Microsoft Recommended Block Rules (Part II): Wfc.exe, Fsi.exe, and FsiAnyCpu.exe

   - https://bohops.com/2020/11/02/exploring-the-wdac-microsoft-recommended-block-rules-part-ii-wfc-fsi/



#### fsiAnyCpu.exe

 - By Nick Tyrer (@NickTyrer) via fsi.exe inline execution [Write-up: Jimmy Bayne (@bohops)]

 - GitHub Gist: fsi.exe inline execution

   - https://gist.github.com/NickTyrer/51eb8c774a909634fa69b4d06fc79ae1

   - https://twitter.com/bohops/status/1319096336441090050

 - Exploring the WDAC Microsoft Recommended Block Rules (Part II): Wfc.exe, Fsi.exe, and FsiAnyCpu.exe

   - https://bohops.com/2020/11/02/exploring-the-wdac-microsoft-recommended-block-rules-part-ii-wfc-fsi/



#### infdefaultinstall.exe

 - By Kyle Hanslovan (@KyleHanslovan), Chris Bisnett (@chrisbisnett)

 - Evading Autoruns - DerbyCon 7.0

   - https://github.com/huntresslabs/evading-autoruns

 - RE: Evading Autoruns PoCs on Windows 10

   - https://medium.com/@KyleHanslovan/re-evading-autoruns-pocs-on-windows-10-dd810d7e8a3f



#### InstallUtil.exe

 - By James Forshaw (@tiraniddo)

 - DG on Windows 10 S: Abusing InstallUtil

   - https://www.tiraniddo.dev/2017/08/dg-on-windows-10-s-abusing-installutil.html



#### IntuneWindowsAgent.exe (Microsoft.Management.Services.IntuneWindowsAgent.exe)

 - By Kim Oppalfens (@TheWMIGuy)

 - Intune Windows Agent Bypass Explanation

    - https://github.com/bohops/UltimateWDACBypassList/issues/1



#### kill.exe

  - By @hyp3rlinx

  - Microsoft Process Kill Utility "kill.exe" - SEH Buffer Overflow

    - http://hyp3rlinx.altervista.org/advisories/MS-KILL-UTILITY-BUFFER-OVERFLOW.txt

    - https://twitter.com/bohops/status/1324563760967753730



#### microsoft.Workflow.Compiler.exe

 - By Matt Graeber (@mattifestation)

 - Arbitrary, Unsigned Code Execution Vector in Microsoft.Workflow.Compiler.exe

   - https://posts.specterops.io/arbitrary-unsigned-code-execution-vector-in-microsoft-workflow-compiler-exe-3d9294bc5efb



#### msbuild.exe

 - By Casey Smith (@subTee)

 - Bypassing Application Whitelisting using MSBuild.exe - Device Guard Example and Mitigations

   - https://web.archive.org/web/20160920161634/http://subt0x10.blogspot.com/2016/09/bypassing-application-whitelisting.html



#### mshta.exe

 - By Unknown (Documented by @conscioushacker)

 -  Application Whitelisting Bypass: mshta.exe

    - https://web.archive.org/web/20171118145940/http://blog.conscioushacker.io/index.php/2017/11/17/application-whitelisting-bypass-mshta-exe/



#### powershellcustomhost.exe

 - By Lasse Trolle Borup (@TrolleBorup)

 - A simple Device Guard bypass

   - https://danishcyberdefence.dk/blog/device-guard-powershellcustomhost



#### rcsi.exe

 - By Matt Nelson (@enigma0x3)

 - BYPASSING APPLICATION WHITELISTING BY USING RCSI.EXE

   - https://enigma0x3.net/2016/11/21/bypassing-application-whitelisting-by-using-rcsi-exe/



#### runscripthelper.exe

 - By Matt Graeber (@mattifestation)

 - Bypassing Application Whitelisting with runscripthelper.exe

   - https://posts.specterops.io/bypassing-application-whitelisting-with-runscripthelper-exe-1906923658fc



#### visualuiaverifynative.exe

 - By Lee Christensen (@tifkin_) [Write-up: Jimmy Bayne (@bohops)]

 - Exploring the WDAC Microsoft Recommended Block Rules: VisualUiaVerifyNative

   - https://bohops.com/2020/10/15/exploring-the-wdac-microsoft-recommended-block-rules-visualuiaverifynative/



#### wfc.exe

 - Tipped by MSRC and Matt Graeber (@mattifestation) [Write-up: Jimmy Bayne (@bohops)]

 - Exploring the WDAC Microsoft Recommended Block Rules (Part II): Wfc.exe, Fsi.exe, and FsiAnyCpu.exe

  - https://bohops.com/2020/11/02/exploring-the-wdac-microsoft-recommended-block-rules-part-ii-wfc-fsi/



#### windbg.exe

 - By Matt Graeber (@mattifestation)

 - Bypassing Application Whitelisting by using WinDbg/CDB as a Shellcode Runner

   - http://www.exploit-monday.com/2016/08/windbg-cdb-shellcode-runner.html



#### wmic.exe

 - By Casey Smith (@subTee)

 - WMIC.EXE Whitelisting Bypass - Hacking with Style, Stylesheets

   - https://web.archive.org/web/20190814201250/https://subt0x11.blogspot.com/2018/04/wmicexe-whitelisting-bypass-hacking.html



#### WSL Family - bash.exe, lxrun.exe, wsl.exe, wslconfig.exe, wslhost.exe

 - By Alex Ionescu (@aionescu)

 - Fun with the Windows Subsystem for Linux

   -  https://github.com/ionescu007/lxss



#### On Block List - Not Documented Yet...



- dbgsvc.exe

- kd.exe

- ntkd.exe

- ntsd.exe

- texttransform.exe

- HVCIScan.exe



#### Libraries On List (Independent usage may/may not be interesting)



- Microsoft.Build.dll

- Microsoft.Build.Framework.dll

- msbuild.dll

- lxssmanager.dll

- system.management.automation.dll

- webclnt.dll/davsvc.dll

- mfc40.dll



------------------------------

### Other "Unsigned Code Execution" LOLBINs (not on list)



#### dbgsrv.exe

 - By Casey Smith (@subTee) , Ross Wolf (@rw_access)

 - How to Bypass WDAC with dbgsrv.exe

   - https://fortynorthsecurity.com/blog/how-to-bypass-wdac-with-dbgsrv-exe/

 - Fantastic Red-Team Attacks and How to Find Them

   - https://i.blackhat.com/USA-19/Thursday/us-19-Smith-Fantastic-Red-Team-Attacks-And-How-To-Find-Them.pdf



------------------------------

### PowerShell



#### UMCI BYPASS USING PSWORKFLOWUTILITY: CVE-2017-0215

 - By Matt Nelson (@enigma0x3)

 - https://enigma0x3.net/2017/10/19/umci-bypass-using-psworkflowutility-cve-2017-0215/



#### DEFEATING DEVICE GUARD: A LOOK INTO CVE-2017-0007

 - By Matt Nelson (@enigma0x3)

 - https://enigma0x3.net/2017/04/03/defeating-device-guard-a-look-into-cve-2017-0007/



#### Exploiting PowerShell Code Injection Vulnerabilities to Bypass Constrained Language Mode

 - By Matt Graeber (@mattifestation)

 - http://www.exploit-monday.com/2017/08/exploiting-powershell-code-injection.html



#### A LOOK AT CVE-2017-8715: BYPASSING CVE-2017-0218 USING POWERSHELL MODULE MANIFESTS

 - By Matt Nelson (@enigma0x3)

 - https://enigma0x3.net/2017/11/06/a-look-at-cve-2017-8715-bypassing-cve-2017-0218-using-powershell-module-manifests/



#### CVE-2018-8212: DEVICE GUARD/CLM BYPASS USING MSFT_SCRIPTRESOURCE

 - By Matt Nelson (@enigma0x3)

 - https://enigma0x3.net/2018/10/10/cve-2018-8212-device-guard-clm-bypass-using-msft_scriptresource/

 

#### Invoke-History Constrained Language Mode Bypass 

 - By Matt Graeber (@mattifestation)

 - https://twitter.com/mattifestation/status/1095416185053696000

 

 

------------------------------

### Novel Living-Of-The-Land/COM/Microsoft Office/Active Scripting Languages (jscript.dll, msxml3.dll, msxml6.dll)



#### Bypassing Device Guard with .NET Assembly Compilation Methods

 - By Matt Graeber (@mattifestation)

 - http://www.exploit-monday.com/2017/07/bypassing-device-guard-with-dotnet-methods.html



#### Sneaking Past Device Guard (+ CVE-2018-8417)

 - By Philip Tsukerman (@PhilipTsukerman)

 - https://conference.hitb.org/hitbsecconf2019ams/materials/D2T1%20-%20Sneaking%20Past%20Device%20Guard%20-%20Philip%20Tsukerman.pdf



#### WLDP CLSID policy .NET COM Instantiation UMCI Bypass

 - By James Forshaw (@tiraniddo)

 - https://bugs.chromium.org/p/project-zero/issues/detail?id=1514&q=



#### WSH INJECTION: A CASE STUDY

 - By Matt Nelson (@enigma0x3)

 - https://enigma0x3.net/2017/08/03/wsh-injection-a-case-study/

  

#### Application Whitelisting Bypass and Arbitrary Unsigned Code Execution Technique in winrm.vbs

 - By Matt Graeber (@mattifestation)

 - https://posts.specterops.io/application-whitelisting-bypass-and-arbitrary-unsigned-code-execution-technique-in-winrm-vbs-c8c24fb40404

  

#### COM XSL Transformation: Bypassing Microsoft Application Control Solutions (CVE-2018-8492) 

 - By Jimmy Bayne (@bohops) 

 - https://bohops.com/2019/01/10/com-xsl-transformation-bypassing-microsoft-application-control-solutions-cve-2018-8492/



#### Abusing Catalog Hygiene to Bypass Application Whitelisting

 - By Jimmy Bayne (@bohops)

 - https://bohops.com/2019/05/04/abusing-catalog-file-hygiene-to-bypass-application-whitelisting/



#### BYPASSING DEVICE GUARD UMCI USING CHM – CVE-2017-8625 

 - By Oddvar Moe (@Oddvarmoe), Matt Nelson (@enigma0x3)

 - https://oddvar.moe/2017/08/13/bypassing-device-guard-umci-using-chm-cve-2017-8625/



#### UMCI VS INTERNET EXPLORER: EXPLORING CVE-2017-8625

 - By Matt Nelson (@enigma0x3)

 - https://enigma0x3.net/2017/08/24/umci-vs-internet-explorer-exploring-cve-2017-8625/

 

#### Bypassing WDAC with Previous Versions of Signed Script Hosts & Signature Catalog Files

 - By William Easton (@strawgate)

 - https://github.com/strawgate/Advisories/blob/main/Microsoft/VULN-051861.md



-------------------------------

### Defense, Policy Creation, Testing, & Research

 

#### WDAC Twitch Stream

 - Fantastic videos collection that covers WDAC Policy Creation/Enforcement/Bypass/Audit/Etc.

 - By Matt Graeber (@mattifestation)

 - https://www.youtube.com/playlist?list=PL2Xx-q-W5pKUNaNkakjZkLmfsNvMWPdNB



#### WDAC Policy Wizard

 - Documentation and tools to access Windows Defender Application Control (WDAC) technology

 - By Microsoft Docs

 - https://github.com/MicrosoftDocs/WDAC-Toolkit



#### WDACTools

 - A PowerShell module to facilitate building, configuring, deploying, and auditing Windows Defender Application Control (WDAC) policies

 - By Matt Graeber (@mattifestation)

 - https://github.com/mattifestation/WDACTools

 

#### WDACPolicies

 - A collection of Windows software baseline notes with corresponding Windows Defender Application Control (WDAC) policies

 - By Matt Graeber (@mattifestation)

 - https://github.com/mattifestation/WDACPolicies

 

#### Building a Windows Defender Application Control Lab

 - By FortyNorth Security (@FortyNorthSec)

 - https://fortynorthsecurity.com/blog/building-a-windows-defender-application-control-lab/

 

#### Documenting and Attacking a Windows Defender Application Control Feature the Hard Way — A Case Study in Security Research Methodology

 - By Matt Graeber (@mattifestation)

 - https://posts.specterops.io/documenting-and-attacking-a-windows-defender-application-control-feature-the-hard-way-a-case-73dd1e11be3a

 

#### WinAWL

 - Windows Application Control Notes and Sample Policies

 - By Brian in Pittsburgh (@arekfurt)

 - https://github.com/arekfurt/WinAWL



#### Exploit Monday Blog

 - By Matt Graeber (@mattifestation)

 - http://www.exploit-monday.com/



#### Quick Steps for Deploying a Policy & Setting Up a WDAC Test Machine

 - By Jimmy Bayne (@bohops)

 - Restrictive Policy: https://gist.github.com/bohops/bd763d87187b79c0c749da6be7be8a42

 - Scan Policy: https://gist.github.com/bohops/148375490c5ead713ed8a433b466182f



#### Windows Defender Application Control (WDAC) Updates in 20H2 and Building a Simple, Secure Windows-only Policy

 - By Matt Graeber (@mattifestation)

 - https://mattifestation.medium.com/windows-defender-application-control-wdac-updates-in-20h2-and-building-a-simple-secure-4fd4ee86de4



#### Harden Windows Security: WDAC Notes

 - By HotCakeX (@HotCakeX)

 - https://github.com/HotCakeX/Harden-Windows-Security/wiki/WDAC-Notes



#### WDAC Notes

 - By Chad Duffey (@duff22b)

 - https://www.chadduffey.com/wdac/2021/01/26/WDAC-notes.html