reversePromedium

Arno

HackTheBox

Android APK (Unity IL2CPP game) themed around Assassin's Creed Unity. Arno Dorian — the game's protagonist — is "known for his memorable quotes". We need to make him "say the magic words". Inside the APK — an encrypted flag, with key and IV stored as static arrays in IL2CPP metadata.

$ ls tags/ techniques/
encryptionandroidapkaesunityil2cpparm64metadata_extraction
il2cpp_metadata_extractionarm64_disassemblystatic_data_extractionaes_256_cbc_decryption
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