The next screen is the Ophcrack LiveCD software itself. Ophcrack will attempt to recover the passwords for all of the Windows user accounts that it can find on your computer. This password cracking process is completely automated. The important things to look for here are the accounts listed in the User column and the passwords listed in the NT Pwd column.
If the user account you're looking for isn't listed, Ophcrack didn't find that user on your computer. If the NT Pwd field is blank for a particular user, the password has not been recovered yet. As you can see in the example above, the passwords for the Administrator and Guest accounts are listed as empty.
If you were cracking a password for a user that Ophcrack shows as empty, you now know that you can log on to the account without a password at all, assuming that the user account is enabled. Look toward the bottom of the user list — see the Tim user account? In under one minute, Ophcrack recovered the password to this account — applesauce. You can ignore any other accounts you're not interested in recovering the passwords for.
After Ophcrack recovers your password, write it down , remove the Ophcrack disc or flash drive, and then restart your computer. You don't need to exit the Ophcrack software — it won't harm your computer to power it off or restart it while it's running. If you do not remove the Ophcrack LiveCD disc or flash drive before you restart, your computer will likely boot from the Ophcrack media again instead of your hard drive.
If that happens, just take the disc or drive out and restart again. Ophcrack won't find every password — some are too long and some are far too complicated. If Ophcrack didn't do the trick just try another free Windows password recovery tool. Each of these tools works a bit differently, so another program might have no problem at all recovering or reset your Windows password. Now that your password has been recovered using Ophcrack LiveCD, simply enter your password when prompted after booting your computer normally.
You just have to burn their disk image onto a CD and you can then boot up your PC from it and follow the on-screen instructions to regain access to your account. Here's how to download and use Ophcrack on Windows Although Ophcrack has been around for a long time, it is not compatible with Windows 10 well.
Note that "Vista table" means Vista and above. Yes No. Not Helpful 1 Helpful 4. Include your email address to get a message when this question is answered. 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 Helpful 0 Not Helpful 0. Submit a Tip All tip submissions are carefully reviewed before being published. Trending Articles How to. How to. Co-authors: Updated: April 2, Categories: Windows Passwords. The computer will load the Linux Live image into memory and then launch Ophcrack automatically to perform dictionary attack based on Vista rainbow table. If you have a complex password it will take a lot longer than simple passwords.
As you can see in the screenshot below, the password for the PCUnlocker account are recovered in 26 minutes. It's been hours and Ophcrack isn't working! What should I do? If you got the Ophcrack Live USB to boot, and it just can't recover the password, odds are it was pretty secure long and complicated.
0コメント