Run John the Ripper or Hashcat using a wordlist like rockyou.txt : john --wordlist=/usr/share/wordlists/rockyou.txt hash.txt Use code with caution. Copied to clipboard
If you can provide the of where this file came from (e.g., a specific CTF event or a malware sample link), I can provide the exact password or flag found in that specific challenge. POST-09.rar
If the archive is password-protected and no hint was provided in the challenge description: Use rar2john POST-09.rar > hash.txt . Run John the Ripper or Hashcat using a wordlist like rockyou