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

Unpacking and repacking electron apps

A practical guide to exploring, modifying, and understanding Electron apps by unpacking and repacking ASAR archives.

August 24, 2025 · 7 min · 1360 words · Noham

Digging into reMarkable internal

Reverse engineering analysis of Xochitl, reMarkable’s proprietary user interface. Exploration of the thumbnail generation system, discovery of undocumented APIs (/thumbnail and /search), and detailed analysis of the document rendering process using IDA Pro.

August 18, 2025 · 41 min · 8721 words · Noham

Reverse engineering a simple license check

Breaking down a macOS app’s licensing system - from watermark removal to key generation

August 5, 2025 · 13 min · 2728 words · Noham

RootsMagic license key analysis

Reverse engineering analysis of RootsMagic’s license validation system, revealing the custom Base32 encoding scheme, 60-bit data structure, and proprietary checksum algorithm used for offline license verification.

July 28, 2025 · 10 min · 2043 words · Noham

Master PDF Editor patch analysis

Master PDF Editor patch analysis

February 23, 2025 · 12 min · 2431 words · Noham

Leech license patch analysis

Leech license patch analysis

February 20, 2025 · 15 min · 2999 words · Noham