Cracking hash using john the ripper

https://materials.rangeforce.com/tutorial/2019/06/17/Password-Cracking/

john --wordlist=/usr/share/wordlists/rockyou.txt /home/avi/Desktop/hash.txt

john /home/avi/Desktop/hash.txt --wordlist=/usr/share/wordlists/rockyou.txt

hash.txt file contains the following hash:

$6$zLaoLV8N$BNxYZUxvXiZwb3UjBhCxnxd9Mb02DDUF.GfMj1kbLB.s/quBVtMM4QjfOvmZvfqeh7BuLXaRvRSfpQgNI5prE.

hash format is sha512crypt or HMAC-SHA256

After cracking is done, issue following command to see the cracked password.

john --show /home/avi/Desktop/hash.txt

You can either use unshadow command to combine both passwd and shadow files password hashes or you can do the above method. Use following command for unshadow.

unshadow /etc/passwd /etc/shadow > hash.txt

For windows hash, see the below file.

Cracking method is same as above. hash file contains the three windows users hash.

john hash --wordlist=/usr/share/wordlists/rockyou.txt

Comments

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