ophcrack (1)

NAME

Ophcrack - a Microsoft Windows password cracker using rainbow tables.

DESCRIPTION

Ophcrack is a Windows password cracker based on a time-memory trade-off using rainbow tables.
This is a new variant of Hellman's original trade-off, with better performance.
It recovers 99.9% of alphanumeric passwords in seconds.

Ophcrack works for Windows NT/2000/XP/Vista.

Ophcrack can be used with command line using the options below, or can be run as a pure graphical software.

If you have installed ophrack-cli package, graphical interface is not available.

SYNOPSIS

ophcrack [options]

OPTIONS

-a

disable audit mode (default)

-A

enable audit mode

-b

disable bruteforce

-B

enable bruteforce (default)

-c <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

-q

quiet mode

-r

launch the cracking when ophcrack 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

export data in CSV format to the file specified by -o

EXAMPLES

ophcrack -g -d /path/to/tables -t xp_free_fast,0,3:vista_free -f in.txt

Launch ophcrack in command line using tables 0 and 3 in /path/to/tables/xp_free_fast and all tables in /path/to/tables/vista_free and cracks hashes from pwdump file in.txt

SEE ALSO

Homepage: ophcrack.sourceforge.net
Free rainbow tables: ophcrack.sourceforge.net/tables.php

AUTHOR

This manual page was written by Adam Cecile <gandalf@le-vert.net> for the Debian system (but may be used by others).
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU General Public License, Version 2 or any later version published by the Free Software Foundation
On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL.