iCDump: A Modern Objective-C Class Dump

iCDump: A Modern Objective-C Class Dump

This blog post introduces iCDump, an new Objective-C class dump based on LLVM

Romain Thomas

October 31, 2022
Open-Obfuscator: A free and open-source obfuscator for mobile applications
Open-Obfuscator: A free and open-source obfuscator for mobile applications

Romain Thomas

This blog post introduces open-obfuscator, a new open-source project to obfuscate mobile applications.

September 13, 2022
Part 2 – iOS Native Code Obfuscation and Syscall Hooking
Part 2 – iOS Native Code Obfuscation and Syscall Hooking

Romain Thomas

This second blog post deals with native code obfuscation and RASP syscall interception

August 29, 2022
Part 1 – SingPass RASP Analysis
Part 1 – SingPass RASP Analysis

Romain Thomas

This first blog post introduces the RASP checks used in SingPass

August 22, 2022
A Journey in iOS App Obfuscation
A Journey in iOS App Obfuscation

Romain Thomas

This series of blog posts details how obfuscators can protect iOS applications from reverse engineering

November 7, 2021
PGSharp: Analysis of a Cheating App for PokemonGO
PGSharp: Analysis of a Cheating App for PokemonGO

Romain Thomas

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

July 18, 2021
Gotta Catch 'Em All: Frida & jailbreak detection
Gotta Catch 'Em All: Frida & jailbreak detection

Romain Thomas

This blog post analyzes the Frida and Jailbreak detection in PokemonGO for iOS.

September 27, 2020
r2-pay: whitebox (part 2)
r2-pay: whitebox (part 2)

Romain Thomas

This second blog post explains how to recover the whitebox’s key from the obfuscated library libnative-lib.so

September 20, 2020
r2-pay: anti-debug, anti-root & anti-frida (part 1)
r2-pay: anti-debug, anti-root & anti-frida (part 1)

Romain Thomas

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

November 26, 2019
A Glimpse Into Tencent's Legu Packer
A Glimpse Into Tencent's Legu Packer

Romain Thomas

Analysis of Tencent Legu: a packer for Android applications.

June 3, 2019
Android Native Library Analysis with QBDI
Android Native Library Analysis with QBDI

Romain Thomas

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