Forum Thread: How to Crack Window Password with Kali Live Usb

Hello friends this is my first null-byte, today i am going to explain HOW TO RESET ADMIN PASSWORDS FOR WINDOWS (7,8)

Prerequisites:

bootable kali linux cd/usb

to reset windows password we will use chntpw for editing the SAM database where Windows stores password hashes.

What Is Chntpw?

chntpw is a software utility for resetting or blanking local passwords used by Windows NT, 2000, XP, Vista, 7, 8 and 8.1. It does this by editing the SAM database where Windows stores password hashes.see more on wikipedia.

What Is SAM Database?

The Security Account Manager (SAM) is a database file in Windows XP, Windows Vista and Windows 7 that stores users' passwords. More on wiki and microsoft.

Now Lets Start:

Step 1: Boot Windows Machine with the LiveCD.

select Live

open terminal

mount partition on which Windows System files are installed(C: Drive of Windows). it name could be sda1, sda3 or something like like this.

mount /dev/sda1 /mnt

Step 2: Go to Windows Password Database Directory

generally located in /Windows/System32/config/

in your System it could be like this

cd /mnt/Windows/System32/config

Step 3: Type Command Below for List Out All Users

chntpw -l SAM

Step 4: Select User Administartor by Following This Command.

chntpw -u Administrator SAM

Now It Will Open a Menu to Reset the Password.Select Right Option and Save Changes.

_This article is originally from my blog

17 Responses

Will this work for windows10 ?

work with Windows NT, 2000, XP, Vista, 7, 8 and 8.1.

Oh Ok .. Thanks for the prompt reply :)

Great tips ... But I have one question? Many people use a USB Device can I make some bootable USB with that recovery pass, who use flopy - that is old technology???

In fact, there are many free password reset tool out here like ntpassword, iseepassword and ophcrack.
https://www.iseepassword.com/
http://www.chntpw.com/guide/

It is very easy to crack windows password if you use any tools available online like ophcrack and nt offline password: http://www.uukeys.com/crack-windows-10-8-7-login-password.html

It is possible ,the Password reset is so easy for us if we have a software ,which can help you bypass or reset passwords.https://www.recoverywindowspassword.com/

I find a new way to crack Windows password using Windows installation CD.
Steps:
Boot from Windows Installation CD (or use any other OS which allows you to read/write to NTFS)
Copy utilman.exe somewhere else.
Copy cmd.exe to utilman.exe
Boot to windows
Click on the pizza icon.
Type net user <username> <newpassword>

I do it all the time. (I repair PCs). Works great. Will not work with bitlocker encryption.
Source: https://www.top-password.com/knowledge/reset-windows-10-password-without-reset-disk.html

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I use a program called KMS-Autonet which prevent connection between the microsoft server and my computer so i can use any microsoft product freely.

Good tutorial. However, it is worth pointing out that this only works 100% with versions of Windows before Windows 8.

Windows 8 and 8.1 use a modified version of hibernation at shutdown. This prevents write access to files on the disk and makes this method unusable.

If you have come across this issue, the following command will allow you write access:

WARNING - IF YOU ARE TRYING TO ACCESS A WINDOWS PARTITION THAT WAS HIBERNATED AND NOT SHUT DOWN, ANY UNSAVED WORK WILL BE DELETED

ntfsfix /dev/sd# >>>>>> where # is the number corresponding with the Windows partition you are attempting to access. Best of luck!

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It is a very informative post.
McAfee Support

Hmmmm... Isn't this method slow? How 'bout just getting a BAD USB ir autorun usb which will swap utilman.exe and cmd.exe in the system32? then click the utilman icon then voila, a command prompt, type" color a " cuz why not( lol ) then type userpassword2 to access the administrator password, then you can reset the password.

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