The code in shellduino.ino can be usedso that a Pro Micro can act as a silent Human Interface Device to download netcat through powershell and cmd and thereafter executing it.
Note: The default host is 192.168.1.1 and default port is 33455. However they can later be changed while uploading according to the users choice.
I do not take any responsibility for misuse of this project since it was solely intended for security testing purposes.