MEP EP#342: Hackery Experts

MEP EP#342: Hackery Experts

HyR0n

• Mathematician


• Computer Scientist


• AND!XOR employee of the month


• Working on badges and things Hackery

Previous Podcast Episodes

• Incognito Mode episode number 69


• Arduino, The Gateway Drug To #BadgeLife episode number 109


• Espress-ify? Designing Products Around the ESP-32 Platform episode number 144


• Feel the Hum episode number 183


• Better Encryption than Zoom, Firmware Stacks episode number 238


• And a couple of the Starwars Specials

DEFCON 30 AND!XOR Badge

• Its a watch, with some watch things, hacker apps (TV B Gone, BLE Interrogator), Games, & Challenge


• Give them away for free at DEF CON following sponsorship from companies and philanthropists.


• Off the shelf device with hacked firmware
  
  
  • LilyGo T-Watch 2020 V3
  
  
  
  


• But how did we get there?
  
  
  • A story of supply chain woes
  
  
  • Original Watch idea - supply chain issues and crazy costs / quantity buy requirements
  
  
  • Look at consumer watches we could hack (PineTime, then LilyGo)
  
  
  
  


• It wasnt just software, a true micropython implementation was done for firmware


• Always interested in python
  
  
  • We always lived in a C world
  
  
  • Makes hacking it easier for end user
  
  
  
  


• Micropython vs Circuit Python


• The Hacking Challenge - BENDER 


• Flashing Party - Things you should think about - i.e. Design for Drunk Hacker Production
  
  
  • You’re going to do the same thing thousands of times, what do we automate?
  
  
  • Loop script for provisioning
  
  
  • Push bare minimum over serial, then use wifi to complete
  
  
  • Turning screen green once flash done and charge at 100%
  
  
  
  


• Other thoughts?
  
  
  • Really different than what we do, was really fun
  
  
  • People like bling more than function, but …