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 per‐
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
-a disable audit mode (default)
-A enable audit mode
-b disable bruteforce
-B enable bruteforce (default)
specify the config file to use
-D display (lots of!) debugging information
specify tables base directory
-e do not display empty passwords
load hashes from the specified file (pwdump or session)
-g disable GUI
-h display this information
-i hide usernames
-I show usernames (default)
log all output to the specified file
specify the number of threads to use
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
specify the file to use to automatically save the progress of
-u display statistics when cracking ends
specify which table to use in the directory given by -d
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/ta‐
bles/xp_free_fast and all tables in /path/to/tables/vista_free and
cracks hashes from pwdump file in.txt
This manual page was written by Adam Cecile 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.