Create a hidden account
This script requires System privileges. You can use Invoke-TokenManipulation.ps1 to get System privileges and create the clone user.
Link: https://github.com/PowerShellMafia/PowerSploit/blob/master/Exfiltration/Invoke-TokenManipulation.ps1
Author: Evilcg and 3gstuent
Evilcg's way to achieve the same goal:
https://github.com/Ridter/Pentest/blob/master/powershell/MyShell/Create-Clone.ps1