Reverse Engineering

Hacking the DC34 badge: a shared loader-jump foothold, different temporary-Xous routes for K0 and Flag1, and an IFR instruction-reconstruction extension.

TL;DR -- Disney star wars games involve a bunch of scanning Aztec codes for items and challenges, I couldn't figure out how to generate my own correctly so I took apart the APK and generated each o...

Usually I have a blog post about building/breaking something with the intention of actually building or breaking it. This one however is not like the others. It started about 2 years ago, I got a P...

Defcon every year has many many different electronic badges that you can play with / hack / blind your friends with. I was lucky enough to get one of these really cool badges and I wanted to figure...

I really should have written this after ZaCon (november last year), but I'm lazy. However I have been asked to give a brief overview of the same talk at ITWeb this year so I figure I may as well fi...

Its taken a lot of motivation to start writing this, and I hope its okay, I have a mental block that I need to write this and the second post about magstripes before moving on to some new things wi...

Previously I discussed using my RTL-SDR to merely listen for analog audio signals . In this entry I'll discuss using it to decode digital signals (this example on fixed remote signals often used fo...

Intro So its been nearly a month since I last put a blog post up and I have been working on some stuff in my free time between work (been traveling to the US and took a weekend off to visit some fr...