// what it is
Description
Openwall's John (and the community 'jumbo' fork) supports hundreds of formats — from /etc/shadow to KeePass to PDF to PKCS#12. CPU-only on the official version; the jumbo fork has some GPU support but Hashcat is faster.
// use cases
What people use it for
- Crack unusual hash formats Hashcat doesn't support
- CTF challenge cracking
// commands
The commands you'll type
Auto-detect format
$ john --wordlist=rockyou.txt shadow.txtShow cracked
$ john --show shadow.txtZIP cracking
$ zip2john secret.zip > secret.hash && john secret.hash