A writeup story for “The truth of Plain” | by Kulkan Security | Medium
If the password is unknown, common CTF passwords or "leaked" credentials from the associated scenario's social media profiles (OSINT) are often tested using John the Ripper or hashcat . Content Extraction and Forensics Mojicrimelife all.zip
While a direct, publicly hosted "Mojicrimelife" write-up is not appearing in standard academic or news repositories, challenges of this nature typically follow a specific forensic methodology: Standard Investigative Methodology for all.zip Challenges A writeup story for “The truth of Plain”
Challenges often hide files within files. Check for hidden directories (e.g., .git ) which can be explored using git log or git checkout to find previous versions of "flag" files. Check for comments or metadata using tools like
Check for comments or metadata using tools like exiftool or 7z l -slt all.zip . Often, passwords or hints are hidden in the archive's internal comments. Handling Encryption
If the ZIP contains network captures (PCAPs), look for evidence of SOCKS5 proxies or custom substitution ciphers that may be obfuscating the traffic data. Key Tools for this Challenge
If the file uses the insecure ZipCrypto algorithm, it may be vulnerable to a Known Plaintext Attack using tools like bkcrack . This requires you to have at least one unencrypted file that is also present inside the encrypted ZIP.