---
name: "ophcrack"
section: "1"
platform: "linux"
package: "ophcrack"
version: "3.8.0-3+b3"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/ophcrack"
---

# ophcrack(1)

a Microsoft Windows password cracker using rainbow tables.

## 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: http://ophcrack.sourceforge.net/\
 Free rainbow tables: http://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.