Ophcrack

Ophcrack is a free Windows password cracker based on rainbow tables. It is a very efficient implementation of rainbow tables done by the inventors of the method. It comes with a Graphical User Interface and runs on multiple platforms.

Features

• Runs on Windows, Linux/Unix, Mac OS X, ...
• Cracks LM and NTLM hashes.
• Free tables available for Windows XP and Vista.
• Brute-force module for simple passwords.
• LiveCD available to simplify the cracking.
• Loads hashes from encrypted SAM recovered from a Windows partition, Vista included.
• Free and open source software (GPL).

Links

• http://ophcrack.sourceforge.net/
• http://sourceforge.net/projects/ophcrack/
• http://download.huihoo.com/ophcrack/