LOLBAS/OSBinaries/InstallUtil.exe.md

InstallUtil.exe

• Functions: Execute

InstallUtil.exe /logfile= /LogToConsole=false /U AllTheThings.dll
Execute the target .NET DLL or EXE.

• Resources:

  • https://pentestlab.blog/2017/05/08/applocker-bypass-installutil/
  • https://evi1cg.me/archives/AppLocker_Bypass_Techniques.html#menu_index_12
  • http://subt0x10.blogspot.no/2017/09/banned-file-execution-via.html
  • https://github.com/redcanaryco/atomic-red-team/blob/master/Windows/Execution/InstallUtil.md
  • https://www.blackhillsinfosec.com/powershell-without-powershell-how-to-bypass-application-whitelisting-environment-restrictions-av/
  • https://oddvar.moe/2017/12/13/applocker-case-study-how-insecure-is-it-really-part-1/

• Full path:

  • C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
  • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\InstallUtil.exe
  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe

• Notes: Thanks to Casey Smith - @subtee