Unpacking and repacking Java apps
A practical guide to exploring, modifying, and understanding Java apps by unpacking and repacking JAR archives.
Reverse-Engineering
Bypassing Crédit Agricole's jailbreak detection
Reversing the Crédit Agricole app: Analyzing its Swift-based jailbreak checks, debugging with LLDB to identify the specific file triggering the block, and implementing a Frida bypass.
Bypassing Banque Postale's jailbreak detection - Part 2
Reversing the main Banque Postale app: Dealing with Hermes bytecode, analyzing the JailMonkey library, and discovering why the detection logic fails on modern rootless jailbreaks.
Bypassing Banque Postale's jailbreak detection - Part 1
A deep dive into the Banque Postale iOS app’s jailbreak detection.
Frida Cheatsheet
A comprehensive Frida command reference for reverse engineering.
LLDB Cheatsheet
A comprehensive LLDB command reference for reverse engineering.
Retrieving content from the past: Exploiting MPEG-DASH time-based addressing
How predictable segment timing in MPEG-DASH manifests enables temporal access to streaming content through timestamp bruteforcing
Analyzing the Xubuntu website compromise and clipboard hijacker malware
Reverse engineering a clipboard hijacker distributed through compromised Xubuntu torrent downloads
Capturing Kindle Web Reader pages
Exploring how the Kindle Web Reader fetches DRM-protected content and how to capture the rendered pages automatically.
Unpacking and repacking electron apps
A practical guide to exploring, modifying, and understanding Electron apps by unpacking and repacking ASAR archives.