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  1. Password Attacks

John The Ripper

Crack passwords with johnTHEripper

Basic Usage

john hashfile.txt
john --wordlist=/path/to/your/wordlist.txt hashfile.txt
john --format=ntlm hashfile.txt

ssh2john

 Encrypted SSH private key found? Crack it with ssh2john
 
 1) ssh2john id_rsa > crack.txt
 2) john --wordlist=/usr/share/wordlists/rockyou.txt crack.txt
 3) openssl rsa -in id_rsa
    Enter pass phrase for id_rsa: PASSWORD_HERE

gpg2john

Encrypted PGP file found? Crack it with gpg2john

gpg --import name.asc 
gpg2john name.asc > hash
john --format=gpg --wordlist=/usr/share/wordlists/rockyou.txt hash 
gpg --decrypt somecredentials.pgp        # Enter the password found above.

zip2john

Encrypted ZIP file found? Crack it with zip2john

1) zip2john somezipname.zip > zipname.hash
2) john zipname.hash 
3) 7z e somezipname.zip
   Enter password (will not be echoed): PASSWORD_HERE

keepass2john

keepass2john some_pass_key.kdbx

rar2john

rar2john SOME_FILE.rar > crack_this
john --wordlist=/usr/share/wordlists/rockyou.txt crack_this
PreviousHashcatNextfcrackzip

Last updated 3 years ago

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