BadSTM

Bad USB on STM32F103C8T6 with SD card

Connect to SD card

A7 -> DI
A6 -> DO
A5 -> SCLK
A4 -> CS
+3.3v -> VDD
GND -> GND

Usage

Save your payload to file script.txt on SD card

Ducky payloads you can find here: https://github.com/hak5darren/USB-Rubber-Ducky/wiki/Payloads

Or, you can simply write your own payloads using Ducky script

Ducky script syntax: https://github.com/hak5darren/USB-Rubber-Ducky/wiki/Duckyscript