A custom made "bad keyboard" "bad usb" ascii art implementation payload.
Delivers a simple series of commands of that opens notebook and prints out a text based image in it.
NO HARM, NO FOUL
File should be available @ https://github.com/TheDirtyPlumbus/badusb/tree/main/prank
...
https://www.youtube.com/watch?v=jbnQV4mLOhY