tldr/pages/common/john.md

john

Password cracker. More information: https://www.openwall.com/john/.

• Crack password hashes:

john {{path/to/hashes.txt}}

• Show passwords cracked:

john --show {{path/to/hashes.txt}}

• Display users' cracked passwords by user identifier from multiple files:

john --show --users={{user_ids}} {{path/to/hashes*}} {{path/to/other/hashes*}}

• Crack password hashes, using a custom wordlist:

john --wordlist={{path/to/wordlist.txt}} {{path/to/hashes.txt}}

• List available hash formats:

john --list=formats

• Crack password hashes, using a specific hash format:

john --format={{md5crypt}} {{path/to/hashes.txt}}

• Crack password hashes, enabling word mangling rules:

john --rules {{path/to/hashes.txt}}

• Restore an interrupted cracking session from a state file, e.g. mycrack.rec:

john --restore={{path/to/mycrack.rec}}