Example: 7z2john okayscome.7z > hash.txt followed by john --wordlist=rockyou.txt hash.txt .
If the file is broken, use a hex editor to check the Start Header and End Header . A healthy 7z file starts with the signature 37 7A BC AF 27 1C . okayscome.7z
Note: If this command prompts for a password, the archive is encrypted. Example: 7z2john okayscome
The process begins with basic file identification to ensure the archive is not corrupted or mislabeled. okayscome.7z