Kali Linux - Password Cracking Tools Hydra, Johnny, and Rainbowcrack. Hydra is a login cracker that supports many protocols to attack any password protected

Kali Linux – Password Cracking Tools Hydra, Johnny, and Rainbowcrack 

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Kali Linux – Password Cracking Tools Hydra, Johnny, and Rainbowcrack

Hydra

Kali Linux – Password Cracking Tools Hydra, Johnny, and Rainbowcrack. Hydra is a login cracker that supports many protocols to attack ( Cisco AAA, Cisco auth, Cisco enable, CVS, FTP, HTTP(S)-FORM-GET, HTTP(S)-FORM-POST, HTTP(S)-GET, HTTP(S)-HEAD, HTTP-Proxy, ICQ, IMAP, IRC, LDAP, MS-SQL, MySQL, NNTP, Oracle Listener, Oracle SID, PC-Anywhere, PC-NFS, POP3, PostgreSQL, RDP, Rexec, Rlogin, Rsh, SIP, SMB(NT), SMTP, SMTP Enum, SNMP v1+v2+v3, SOCKS5, SSH (v1 and v2), SSHKEY, Subversion, Teamspeak (TS2), Telnet, VMware-Auth, VNC and XMPP).

Also, to open it, go to Applications → Password Attacks → Online Attacks → hydra.

Hydra

It will open the terminal console, as shown in the following screenshot.

Open Terminal

In this case, we will brute force FTP service of metasploitable machine, which has IP 192.168.1.101

Brute Force

Also, we have created in Kali a word list with extension ‘lst’ in the path usr\share\wordlist\metasploit.

Share Wordlist

The command will be as follows −

hydra -l /usr/share/wordlists/metasploit/user -P 
/usr/share/wordlists/metasploit/ passwords ftp://192.168.1.101 –V 

where –V is the username and password while trying

Hydra Command

Also, as shown in the following screenshot, the username and password are found which are msfadmin:msfadmin

Admin Password

Johnny

Also, Johnny is a GUI for the John the Ripper password cracking tool. Generally, it is used for weak passwords.

To open it, go to Applications → Password Attacks → johnny.

Johnny

In this case, we will get the password of Kali machine with the following command and a file will be created on the desktop.

Desktop

Click “Open Passwd File” → OK and all the files will be shown as in the following screenshot. Kali Linux – Password Cracking Tools Hydra, Johnny, and Rainbowcrack.

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Open File

Click “Start Attack”.

Start Attack

After the attack is complete, click the left panel at “Passwords” and the password will be unshaded.

Unshaded

John

john is a command line version of Johnny GUI. To start it, open the Terminal and type “john”. Kali Linux – Password Cracking Tools Hydra, Johnny, and Rainbowcrack.

Unshadowing

In case of unshadowing the password, we need to write the following command −

root@kali:~# unshadow passwd shadow > unshadowed.txt 

Rainbowcrack

Also, the RainbowCrack software cracks hashes by rainbow table lookup. Rainbow tables are ordinary files stored on the hard disk. Generally, Rainbow tables are bought online or can be compiled with different tools. Kali Linux – Password Cracking Tools Hydra, Johnny, and Rainbowcrack.

To open it, go to Applications → Password Attacks → click “rainbowcrack”.

RainbowCrack

The command to crack a hash password is −

rcrack path_to_rainbow_tables -f path_to_password_hash
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