reversemedium

Satellite Hijack

hackthebox

Task: Reverse ELF binary with shared library protected by three obfuscation layers. Solution: Deobfuscate memfrob XOR 0x2a, analyze position-based XOR comparison, reconstruct key accounting for overlapping memory writes.

$ ls tags/ techniques/
xorobfuscationelfx86_64shared_librarymemfrob
memfrob_deobfuscationposition_xor_decodeoverlapping_memory_analysis
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