http://yomofrbd7snzwtwqkg5c2nvyjzvakbexb7dctcouahhloyqqjlmxjbid.onion
It works by starting a web server accessible as a Tor onion service, with an unguessable URL that you can share with the recipients to download or send files. USBKill / Silk Guardian / BusKill Anti-forensic kill-switch that waits for a change on your usb ports and then wipes your ram, deletes precious files, and turns off your computer.