The free, open source Ophcrack Live CD is a Windows account password cracking tool designed to help you recover lost Windows passwords.
After you download the 462mb .iso and burn it to a CD, just restart your computer and boot up the Live CD. Once the CD boots, Ophcrack automatically loads and is on its way to cracking your password. So how well does it work?
Honestly... Ophcrack is creepy. It cracked my (somewhat mediocre) 13-character alphanumeric password in about 5 minutes. Like most powerful tools, Ophcrack can be used for the forces of both good and evil, but for anyone who's been locked out of their Windows user account because you can't remember your password, Ophcrack can be very good. It may also encourage you to beef up the security of your user account password - that's what it did for meAs a computer technician or an IT employee, there are lots of things you need to know. One of them include recovering lost or forgotten Windows passwords. Sometimes a client just do not remember his/hers log on password and desperately calls us for help. And as always we know the answer. In this case thanks to Ophcrack.
Ophcrack is a powerful open source tool for revealing Windows Vista and Xp passwords. Using rainbow tables and brute force attack makes it extremely successful, though according to my tests in Vista system it was not always successful while I changed passwords. Especially when password included numbers and 8+ word length. This was primarily due to Windows Vista security effectiveness on one hand while on the other using default free alpha-numeric Vista tables and not the entire paid tables weighing an incredible 8GB and 52GB of space.
In Windows Xp due to security hole Ophcrack is much more successful in finding out correct password though.
Download Ophrack, burn it as an iso disc, pop a cd into cd/dvd reader and boot Windows with it. After prompting you to choose graphical or text mode Ophcrack starts its job automatically. After a few minutes you should be able to see passwords for all your accounts.
DOWNLOAD
http://ophcrack.sourceforge.net/
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