Reverse Engineering

Research Archive

A clean dark homepage for publishing reverse engineering write-ups, malware analysis, CTF notes and low-level research.

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19 Jun 2026 - research / reverse engineering

IonCube PHP 8.1–8.4 — Static Opcode Extraction Without Execution

Static analysis of IonCube v15 loaders for PHP 8.1–8.4: HR+c framing, MT4IC, B180 blocks, PRNG6 opcode-XOR, versioned handler tables, and interned strings.

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10 Feb 2026 - reverse / crackme

Froggy CrackMe - Solution

Full technical walkthrough covering validation flow, elegant patch strategy, and a solver-based approach for generating a valid serial without patching.

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