SecureZIP AES-192 Hash

Technical details, regex signatures, and cracking commands for the SecureZIP AES-192 algorithm.

Regex Identification Signature:

                        \$zip3\$\*[0-9]\*[0-9]\*192\*[0-9]\*[a-f0-9]{0,32}\*[a-f0-9]{288}\*[0-9]\*[0-9]\*[0-9]\*[^\s]{0,64}
                    

Hashcat Command (Mode: 23002):

John the Ripper Command:

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What is SecureZIP AES-192?

SecureZIP AES-192 is a proprietary cryptographic hash format derived from the Advanced Encryption Standard (AES) in its 192-bit key variant, integrated into the SecureZIP archive format (developed by WinZip Technologies in the early 2000s) to secure file integrity and confidentiality. Structurally, it combines AES-192 in CBC mode with a custom header-based hash mechanism, where the archive’s metadata (including file paths, timestamps, and compression ratios) is hashed using a truncated SHA-1 (160-bit) followed by AES encryption of the payload. The format’s primary use-case was to authenticate and encrypt ZIP archives, ensuring both data integrity via HMAC-like properties and confidentiality through AES. However, unlike traditional hash functions, SecureZIP AES-192 lacks a standardized salt or pepper mechanism, relying instead on implicit archive-specific entropy derived from file metadata, which introduces predictability in key derivation.

The vulnerability of SecureZIP AES-192 stems from its reliance on weak cryptographic assumptions and exploitable design flaws. First, the truncated SHA-1 component is susceptible to collision attacks due to its 160-bit output, enabling adversaries to forge hashes with non-negligible probability using precomputed rainbow tables or Faster-Than-Brute-Force (FTBF) techniques. Second, the absence of a salt or iterative key derivation function (KDF) allows for efficient GPU-accelerated brute-force attacks via tools like Hashcat, as the key space is constrained by AES-192’s 192-bit key (≈1.6×10⁵⁷ combinations), which is tractable with modern parallelized hardware. Additionally, the format’s reliance on file metadata for implicit entropy means keys can be derived from partial archive information, exacerbating dictionary attacks. Finally, the CBC mode’s susceptibility to padding oracle attacks (e.g., via Bleichenbacher’s technique) further undermines confidentiality, as plaintext recovery becomes feasible with adaptive chosen-ciphertext queries.

Identifying SecureZIP AES-192 Hashes

Identifying a hash blindly is often difficult because multiple algorithms can output strings of the exact same length. For example, a standard 32-character hexadecimal string could be MD5, NTLM, MD4, or LM. To definitively identify SecureZIP AES-192, security researchers analyze the hash against a strict regular expression (regex) signature (shown above) to find structural matches.

How to Crack SecureZIP AES-192

If you need to recover the plaintext password for a SecureZIP AES-192 hash during a penetration test or forensics investigation, you must supply the correct module ID to your cracking software. Use the exact commands provided at the top of this page to target the hash successfully.