OphCrack

Description

Ophcrack  uses Rainbow Tables to crack NTLM and LM hashes into plain text, its a free Windows password cracker based on rainbow tables. It is a very efficient implementation of rainbow tables done by the inventors of the method. If you have a complex password it will take a lot longer than simple passwords.

Usage

Syntax

oph crack [OPTIONS]

Options

  -a              disable audit mode (default)
  -A              enable audit mode
  -b              disable bruteforce
  -B              enable bruteforce (default)
  -c config_file  specify the config file to use
  -D              display (lots of!) debugging information
  -d dir          specify tables base directory
  -e              do not display empty passwords
  -f file         load hashes from the specified file (pwdump or session)
  -g              disable GUI
  -h              display this information
  -i              hide usernames
  -I              show usernames (default)
  -l file         log all output to the specified file
  -n num          specify the number of threads to use
  -o file         write cracking output to file in pwdump format
  -p num          preload (0 none, 1 index, 2 index+end, 3 all default)
  -q              quiet mode
  -r              launch the cracking when oph crack starts (GUI only)
  -s              disable session auto-saving
  -S session_file specify the file to use to automatically save the progress of the search
  -u              display statistics when cracking ends
  -t table1[,a[,b,...]][:table2[,a[,b,...]]]
                  specify which table to use in the directory given by -d
  -v              verbose
  -w dir          load hashes from encrypted SAM file in directory dir
  -x file         export data in CSV format to file

Example

Start Oph Crack:

cyborg@cyborg:~$ sudo ophcrack
[sudo] password for cyborg:

ophcrack OphCrack

 

Load SAM Directory :

Click on Load > Encrypted SAM

ophcrack encrypted SAM OphCrack

Load Tables :

ophcrack tutorial OphCrack

 

Click on Crack to Crack NT Hashes :

ophcrack cracked OphCrack

 

 

 

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