reverseProhard

Manifest

undutmaning

Task: Custom file server with binary protocol, challenge-response auth, and keystream encryption. Solution: Reverse engineer protocol, extract SECRET_KEY and MANIFEST_OBF from binary, implement auth and encryption to retrieve files.

$ ls tags/ techniques/
binary_protocolcustom_protocolsslxor_encryptionfile_serverchallenge_responsekeystream_cipherobfuscated_data
protocol_reverse_engineeringbinary_extractionchallenge_response_authkeystream_decryptionmanifest_deobfuscation
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