DroidGuard / Safetynet bypass

PGSharp: Analysis of a Cheating App for PokemonGO

This blog post is about the internal mechanisms of PGSharp, a cheat engine for PokemonGO.

r2-pay: whitebox (part 2)

This second blog post explains how to recover the whitebox's key from the obfuscated library

r2-pay: anti-debug, anti-root & anti-frida (part 1)

This first blog post describes the protections in the challenge r2-pay.

Tencent Legu Unpacker

Scripts to unpack Android applications protected by Tencent Legu

A Glimpse Into Tencent's Legu Packer

Analysis of Tencent Legu: a packer for Android applications.

Android Native Library Analysis with QBDI

This blog post deals with QBDI and how it can be used to reverse an Android JNI library

Android Runtime Restrictions Bypass (PoC)

Android application that disables Android restrictions without root privileges

Android crackme challenge

Android crackme that uses system's internals

Android OAT formats

Internal structures of OAT format