.TH OPHCRACK "1" "March 2009" "3.2.0" "User Commands" .SH NAME Ophcrack - a Microsoft Windows password cracker using rainbow tables. .SH DESCRIPTION .B Ophcrack is a Windows password cracker based on a time-memory trade-off using rainbow tables. .br This is a new variant of Hellman's original trade-off, with better performance. .br It recovers 99.9% of alphanumeric passwords in seconds. .PP .B Ophcrack works for Windows NT/2000/XP/Vista. .PP .B Ophcrack can be used with command line using the options below, or can be run as a pure graphical software. .PP If you have installed ophrack-cli package, graphical interface is not available. .SH SYNOPSIS ophcrack [options] .SH OPTIONS .TP .I -a disable audit mode (default) .TP .I -A enable audit mode .TP .I -b disable bruteforce .TP .I -B enable bruteforce (default) .TP .I -c <file> specify the config file to use .TP .I -D display (lots of!) debugging information .TP .I -d <dir> specify tables base directory .TP .I -e do not display empty passwords .TP .I -f <file> load hashes from the specified file (pwdump or session) .TP .I -g disable GUI .TP .I -h display this information .TP .I -i hide usernames .TP .I -I show usernames (default) .TP .I -l <file> log all output to the specified file .TP .I -n <num> specify the number of threads to use .TP .I -o <file> write cracking output to file in pwdump format .TP .I -q quiet mode .TP .I -r launch the cracking when ophcrack starts (GUI only) .TP .I -s disable session auto-saving .TP .I -S <session_file> specify the file to use to automatically save the progress of the search .TP .I -u display statistics when cracking ends .TP .I -t table1[,a[,b,...]][:table2[,a[,b,...]]] specify which table to use in the directory given by \-d .TP .I -v verbose .TP .I -w <dir> load hashes from encrypted SAM file in directory dir .TP .I -x export data in CSV format to the file specified by \-o .SH EXAMPLES .B ophcrack -g -d /path/to/tables -t xp_free_fast,0,3:vista_free -f in.txt .PP 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 .SH "SEE ALSO" Homepage: http://ophcrack.sourceforge.net/ .br Free rainbow tables: http://ophcrack.sourceforge.net/tables.php .SH AUTHOR This manual page was written by Adam Cecile <gandalf@le-vert.net> for the Debian system (but may be used by others). .br 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 .br On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL.