The USB Rubber Ducky is the device that invented keystroke injection as an attack vector. It's a USB device that looks exactly like a generic flash drive but presents to the target computer as a USB keyboard. It types pre-programmed keystroke sequences at superhuman speed — up to 1000 words per second. Because it's seen as a keyboard by the OS, no antivirus, no application allow-listing, no endpoint detection stops it. Keyboards are trusted by default. There have been two har

DuckyScript is the domain-specific language created by Hak5 for programming keystroke injection attacks. It's the engine behind the USB Rubber Ducky, and now runs on nearly every Hak5 implant — O.MG Cable, Key Croc, Packet Squirrel Mark II, WiFi Pineapple Pager, Bash Bunny, and the Shark Jack. Despite its simple appearance, the language has evolved through three major generations with dramatically different capabilities.