Make a Wi-Fi Hacking CTF Target with $3 Microcontrollers

Published at : 23 Dec 2025

For beginners learning Wi-Fi hacking, it can be hard to find an ethical target to practice hacking tools on. With two ESP8266 microcontrollers and a few wires to connect them. Kody and Michael explain how to create a reactive Wi-Fi target that's legal and fun to hack, perfect for a demonstration or Wi-Fi CTF game.

Sign up for our e-mail alerts to stay updated when we go live & register to win free swag: https://info.varonis.com/securityfwd
Chapters:
0:00 Countdown
0:51 Intro
4:44 How the Hardware Works
16:12 Wi-Fi Duel Github
17:40 Steps to get it Working
19:40 Wi-Fi Duel at RSA

21:05 Downloading the Code
22:10 Flashing the Image
28:20 Starting the Boards
31:15 Monitor Mode & Wireshark Monitoring
34:30 Cracking the Handshakes

44:15 Password Found!
45:00 Password Lists
46:10 Airodump-ng Wi-Fi Hacking
49:20 Closing Thoughts