윈도우의 패스워드를 잃어버렸을때 복구방법

http://ophcrack.sourceforge.net/

위 사이트로 접속하면 됩니다^^

What is 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).