This video demonstrates the unmanaged PowerShell features in Cobalt Strike's Beacon payload. The powerpick command lets you run powershell scripts without powershell.exe. The psinject command lets you inject a PowerShell instance + script into a specific process.
The original POC:
https://github.com/leechristensen/Unm...
Justin Warner's post on PowerPick and ReflectivePick:
https://www.sixdub.net/?p=367
Beacon:
https://www.cobaltstrike.com/help-beacon