Keygenning a barcode software license validation system

Deep dive into reverse engineering a REALbasic/Xojo application’s license validation logic, analyzing the serial number format, checksum algorithm, and hex phrase conversion using IDA Pro and LLDB.

March 2, 2026 · 40 min · 8400 words · Noham

Unpacking and repacking Java apps

A practical guide to exploring, modifying, and understanding Java apps by unpacking and repacking JAR archives.

February 24, 2026 · 5 min · 1023 words · Noham

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.

February 15, 2026 · 10 min · 1976 words · Noham

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.

February 14, 2026 · 7 min · 1339 words · Noham

Bypassing Banque Postale's jailbreak detection - Part 1

A deep dive into the Banque Postale iOS app’s jailbreak detection.

February 13, 2026 · 8 min · 1508 words · Noham

Frida Cheatsheet

A comprehensive Frida command reference for reverse engineering.

January 1, 2026 · 2 min · 267 words · Noham

LLDB Cheatsheet

A comprehensive LLDB command reference for reverse engineering.

January 1, 2026 · 12 min · 2544 words · Noham

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

December 21, 2025 · 9 min · 1899 words · Noham

Analyzing the Xubuntu website compromise and clipboard hijacker malware

Reverse engineering a clipboard hijacker distributed through compromised Xubuntu torrent downloads

October 20, 2025 · 18 min · 3806 words · Noham

Capturing Kindle Web Reader pages

Exploring how the Kindle Web Reader fetches DRM-protected content and how to capture the rendered pages automatically.

October 19, 2025 · 11 min · 2136 words · Noham