rcracki-mt Package Description

rcracki_mt is a modified version of rcrack which supports hybrid and indexed tables. In addition to that, it also adds multi-core support.

Source: https://www.freerainbowtables.com/en/download/
rcracki-mt Homepage | Kali rcracki-mt Repo

  • Author: Martin Westergaard, James Nobis, Original code by Zhu Shuanglei
  • License: GPLv2

Tools included in the rcracki-mt package

rcracki_mt – RainbowCrack (improved, multi-threaded)
root@kali:~# rcracki_mt
RainbowCrack (improved, multi-threaded) - Making a Faster Cryptanalytic Time-Memory Trade-Off
by Martin Westergaard <martinwj2005@gmail.com>
multi-threaded and enhanced by neinbrucke
*nix/64-bit compatibility and co-maintainer - James Nobis <quel@quelrod.net>
All code/binaries are under GPL2 Copyright at a minimum
original code by Zhu Shuanglei <shuanglei@hotmail.com>

usage: rcracki_mt -h hash rainbow_table_pathname
       rcracki_mt -l hash_list_file rainbow_table_pathname
       rcracki_mt -f pwdump_file rainbow_table_pathname
       rcracki_mt -c lst_file rainbow_table_pathname

-h hash:                use raw hash as input
-l hash_list_file:      use hash list file as input, each hash in a line
-f pwdump_file:         use pwdump file as input, handles lanmanager hash only
-c lst_file:            use .lst (cain format) file as input
-r [-s session_name]:   resume from previous session, optional session name
rainbow_table_pathname: pathname(s) of the rainbow table(s)

Extra options:    -t [nr] use this amount of threads/cores, default is 1
                  -o [output_file] write (temporary) results to this file
                  -s [session_name] write session data with this name
                  -k keep precalculation on disk
                  -d run sha1 hashes against mysqlsha1 tables
                  -m [megabytes] limit memory usage
                  -v show debug information

example: rcracki_mt -h 5d41402abc4b2a76b9719d911017c592 -t 2 [path]/MD5
         rcracki_mt -l hash.txt [path_to_specific_table]/*
         rcracki_mt -f hash.txt -t 4 -o results.txt *.rti

rcracki_mt Usage Example

Crack the password hash (-h 5d41402abc4b2a76b9719d911017c592) using 4 CPU cores (-t 4) and the specified rainbow tables (tables2/md5/):

root@kali:~# rcracki_mt -h 5d41402abc4b2a76b9719d911017c592 -t 4 tables2/md5/
Using 4 threads for pre-calculation and false alarm checking...
Found 440 rainbowtable files...

Chain Position is now 27443102
192101714 bytes read, disk access time: 1.19 s
searching for 1 hash...
cryptanalysis time: 0.26 s