Ophcrack is a free password cracker tool for windows based on rainbow tables. It is one of the most efficient tools that runs via windows, mac, Linux installations or using a live CD.It is a very efficient implementation of rainbow tables to crack the passwords. Cracking passwords using ophcrack is a very easy task if you head with right steps.
Rainbow table is a set of collection of different combinations of alpha and numeric. ophcrack compares password with this rainbow table and when a working one is encountered it is presented before you within very short span of time.
Now let’s see how to crack a password with ophcrack live CD.
step #1 Download Ophcrack live CD ISO file from their website. (download link)
step#2 Burn the ISO file to a CD using any burning software
step#3 Put the CD into CD Drive of the Computer you want to Crack the Password
step#4 Enter into the BIOS setting and change boot settings to boot from disk drive for first booting device and boot from the disk
step #5 when you exit bios ophcrack will initiate by itself
step #6 when the logo screen appears , select ophcrack graphic mode automatic and press enter.
step #7 A window with ophcrack task menu appears. from that select the user account you want to crack the password and hit launch
step#8 when the ophcrack finds password from the rainbow table it was displayed on the screen under no password
This is very simple and easy to crack the forgotten passwords or to get someone’s password. the live cd can be installed into any computer you want to crack password and boot the system using that live cd and crack the password in most simple steps. ophcrack provides its users to download few ophcrack rain tables for free. you can crack 99.9 % of passwords under 14 alphanumeric characters.