How to Crack Windows Passwords With Ophcrack and Rainbow Tables

Last Updated: April 2, 2020

Cracking a Windows Password with Ophcrack with the use of rainbow tables, relatively easy if you take the right steps and if the computer can boot from a disc. The free, open source Ophcrack Live CD is a Windows account password cracking tool designed to help you recover lost Windows passwords. Whether you need to recover the lost password to a Windows account, you're looking to ensure that your passwords are secure, or you're a super l33t h4x0r, the Ophcrack Live CD is a pretty useful tool. The Ophcrack Project has recently released a Linux Live-CD based on SLAX that can be used to retrieve and crack passwords from Windows machines with little or no effort.

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Go to The Ophcrack Website and download the ophcrack Livecd iso that is offered there (~455 MB).
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This shouldn't be to hard. Depending on computer, enter the bios settings and change the boot settings to boot from a disc drive on first boot device.
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Text should scroll down the screen, and eventually you will have a graphical interface pop up, with the one and only window (Ophcrack).
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Depending on the speed of your system, the cracker will go to work, and if it can determine and decrypt your password, it will eventually display it in the "Not Password" column

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What types of computers does this work for?

Community Answer

It works for any Windows computer. Ophcrack is very flexible. Note that "Vista table" means Vista and above.

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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.

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How to Crack Windows Passwords With Ophcrack and Rainbow Tables

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