Post-09.rar Guide
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.
Check for appended data (files hidden after the end of the archive) using binwalk -e POST-09.rar . Hex Editing: Open the file in HxD or Ghex . Check for: POST-09.rar
If the file list is hidden, the are encrypted (RAR 5.0 standard). 3. Cracking & Extraction (If Encrypted) If you can provide the of where this file came from (e