What is a badUSB? 

Keyboards and mice are inherently trusted

Micro controllers can act as keyboards

badUSBs Used in this presentation

https://www.amazon.com/gp/product/B0836WXQQR/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1

Setting up Arduino

Open up Arduino IDE

Add board to Arduino

File -> Preferences -> Additional boards Manager URLs

Add board to Arduino

Paste the following in the dialog box: 

http://digistump.com/package_digistump_index.json

Add board to Arduino

Hit ok twice, then go to Tools -> Board: -> Boards Manager

Add board to Arduino

Search for "digi" in the popup, hit install on "Digistump AVR Boards

Add board to Arduino

We're ready to program!!! Select Digispark (default) from the boards! (Tools -> Boards -> Digispark(default))

Download and Install These Drivers

https://github.com/digistump/DigistumpArduino/releases/download/1.6.7/Digistump.Drivers.zip

How to compile ducky script to arduino

Use this to covert ducky scripts to digispark compatible code

https://dukweeno.github.io/Duckuino/

Example Code

GUI r
DELAY 50
STRING chrome.exe
ENTER
DELAY 200
STRING www.youtube.com
ENTER

How to compile ducky script to arduino

Under the Compile Dropdown, Select Digispark.

How to compile ducky script to arduino

Hit compile, copy and paste into blank arduino window.

Programming 

Hit upload and plug in the badUSB