Here's a completely rewritten "Arduino as ISP" sketch that can program the ATtiny85, in situ, on the Digispark board via its 6- and 3- pin connectors. It uses an Arduino Uno R3 as the programmer, and ...

This Platformio Project Repository utilizes the AZ-Delivery ATTiny85 Digispark Rev.3 Kickstarter as a USB RubberDucky-like device capable of executing pre-programmed keystroke injection attacks. It ...