Johnny is GUI version of John.

john, better known as John the Ripper, is a tool to find weak passwords of users in a server. John can use a dictionary or some search pattern as well as a password file to check for passwords. John supports different cracking modes and understands many ciphertext formats, like several DES variants, MD5 and blowfish. It can also be used to extract AFS and Windows NT passwords.


UnShoadow Linux Password details :

The unshadow command will basically combine the data of /etc/passwd and /etc/shadow to create 1 file with username and password details. Usage is quite simple.

cyborg@cyborg:~$ sudo unshadow /etc/passwd /etc/shadow > johntocrack

Crack with Johnny

cyborg@cyborg:~$ sudo johnny

johnny Johnny

Load UnShadow File you created :

johnny password Johnny

Provide Johnny with word-list .

johnny wordlist Johnny

Password Cracked :

johnny cracked Johnny



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