How to Weaponize the Yubikey

This article provides a step-by-step technical walkthrough showing how a stock YubiKey can be repurposed as a USB HID keyboard: mapping scan codes using the YubiKey Personalization Tool and xinput, decoding keystrokes, and crafting payloads (function keys, Shift, Menu, etc.) to break out of restricted kiosk shells. The author documents limitations (no Ctrl/Alt/Windows key support), payload examples, and practical considerations such as automatic Enter key behavior and output speed, concluding that while YubiKey is not ideal compared to dedicated HID attack tools, its innocuous form factor makes it useful for certain attack scenarios.