# show all formats
john --list=formats
# prepare passwd and shadow file for cracking
unshadow passwd shadow > crackme
# specifying user list
john -incremental -users:userlist.txt crackme
# to display passwords that are cracked
john --show crackme
cat /root/.john/john.pot
Dictionary attack
# default wordlist
john -wordlist -users=victim,victim2 crackme
# provide a wordlist
john -wordlist=rockyou.txt crackme
# dictionary mangling using rules
john -wordlist=rockyou.txt -rules crackme
Creating wordlists
Add 2 numbers to wordlists
john --wordlist=/mnt/hgfs/exploit/wordlist.txt --rules --stdout > wordlist_add_numbers.txt
