Friday, 13 February 2015

How To Break Windows 8.1, 8, 7, Vista and Xp Administrator Password Using Kali Linux Live Boot

break windows passwords kali linux

Sometimes you may have to break windows pc password for any purpose. There are many softwares out there that can do it and the most known one is the OphCrack, which uses rainbow tables to break windows passwords. In this tutorial we are going to use Kali Linux live CD or USB to break the admin password. Using this tutorial you can break both guest and Admin password. Now lets look at the requirements. If you already have a bootable Kali Linux medium you can skip to breaking(cracking) process.


  • An Empty CD or USB drive (2GB would be fine).
  • Kali Linux ISO. Download it from here (32bit and 64bit, both will work).
  • Win32 Disk Imager to flash the ISO to CD or USB. Download it from here.
  • Access to some other PC to make Kali Linux CD.

Creating Kali Linux Live Boot CD or USB:

When you have got all the required things, follow the below steps.
  • Download the Win32 Disk Imager and open it.
    break windows passwords kali linux
  • Insert the empty CD or plug in your pen drive to USB port. In this tutorial i am going to use USB drive.
  • In Win32 Disk Imager select the drive letter of your inserted USB drive.
  • Now specify the location of the Kali Linux iso and then click on write.
    break windows passwords kali linux break windows passwords kali linux
  • Wait for the flashing process to complete and when done, remove the USB from the pc.
Now we have a bootable USB drive. Let's start the hacking process.

The Breaking Process:

When you are ready, follow the below steps one by one to break password.
  • Plug in the Kali Linux Live USB to any of the USB ports and switch on the pc.
  • Enter the BIOS Settings and set the first boot device as USB hard drive, save the settings and restart the pc.
  • Now you see a Kali Linux welcome screen with a list of options.
  • Select the 3rd option which says Live (forensic mode). Wait for the booting process to complete.
  • Once you are on desktop click terminal or press Ctrl + Alt + t to open terminal.
  • In terminal window press the following commands (just type the bold letters) one by one carefully.(follow screenshots)

cd /

cd media/  
 --Displays the list of local drives, you need to find out which one has windows installed on it--

cd hard-drive-name/  
--Replace hard-drive-name with the name of your local drive having windows in it--

cd Windows/System32/config/

ls -l SAM*

chntpw -l SAM

chntpw -u account-name SAM  
--Replace account-name with the name of windows account you want to hack, if you going to hack Admin account just type Administrator--
Now enter 1 to remove Administrator account password. Again enter below command.

chntpw -u account-name SAM

Now enter 4 to unlock Administrator account.

You're done! You have just hacked ADMIN password. Now turn off the Kali Linux. Remove the USB drive and restart the pc.

Also see:
When windows boots up you can see the administrator account, just click it and you will be logged in! Happy Hacking!

Screenshots:(click to enlarge)

break windows 8.1,8,7 admin passwords kali linux

break windows 8.1,8,7,vista,xp administrator passwords kali linux

break windows admin passwords kali linux

break windows admin passwords kali linux

Disclaimer: Breaking passwords without Administrator permissions is illegal. Lets Hack Something and its authors claims no responsibility for any cyber malpractices. This tutorial is for educational purpose only.