Nearly every computing devices accepts human input from keyboards, hence the ubiquitous HID specification - or Human Interface Device. Keyboards announce themselves to computers as HID devices and are in turn automatically recognized and accepted.
The USB Rubber Ducky delivers powerful payloads in seconds by taking advantage of the target computers inherent trust all while deceiving humans by posing as an ordinary USB drive.
See it in action. Tag #usbrubberducky — Mention @hak5gear.
