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ophcrack

a Microsoft Windows password cracker using rainbow tables.

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.

ophcrack [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

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

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

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.

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