reverseProeasy

RAuth

HackTheBox

ELF 64-bit LSB PIE executable, x86-64, dynamically linked, with debug_info, not stripped. Rust binary `rauth`, compiled with Rust 1.47.0, implements authentication by encrypting the password with Salsa20 algorithm and comparing it to a reference ciphertext. A remote service is also provided at `154.

$ ls tags/ techniques/
elf64stream_cipherhardcoded_keyrustsalsa20crypto_reversingpassword_checker
salsa20_decryptionhardcoded_key_extractionrodata_analysisstream_cipher_symmetrysimd_comparison_pattern
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