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.
Steps
- Go to http://ophcrack.sourceforge.net and download the ophcracklivecd iso that is offered there (~455 MB).
- Burn the iso file to CD using an image burning software.
- Put the CD in the disc drive of the computer you want to crack the passwords of.
- Boot from disc. 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. ..