John the Ripper - Hash Cracking
Hash type identifiers (Linux shadow)
$1= MD5$2= Blowfish$5= SHA-256$6= SHA-512
Windows NT hashes
john --format=NT hashes.txt
john --format=NT hashes.txt --wordlist=/usr/share/wordlists/rockyou.txt
Linux shadow
john --format=sha512crypt hashes.txt --wordlist=/usr/share/wordlists/rockyou.txt
Kerberos formats
john --list=formats | grep krb
john hashes.txt --format=krb5tgs --wordlists=/usr/share/wordlists/rockyou.txt
View cracked
cat ~/.john/john.pot
SSH key cracking
ssh2john id_rsa > crackme.txt
john crackme.txt --wordlist=/usr/share/wordlists/rockyou.txt
GPG key cracking
gpg2john klucz.asc > hash.txt
john hash.txt --wordlists=/usr/share/wordlists/rockyou.txt