Monday, July 11, 2011

Crack your own Windows7 Password! Break into the Windows system.

Practical Guide to Linux Commands, Editors, and Shell Programming, A (2nd Edition)Hi guys, good day to you.
Before we break into the Windows system lets prepare for the final challenge.
Most of us use Microsoft Windows in our daily office tasks. If you are a gamer, programmer or a journalist you are most likely be using Windows. Of course you can do without Windows, but it has become a sort of culture to use it, because majority of the users seek simplicity.

For geeks and Linux fans, running a smart OS like Linux from a flash drive would be more than fun. There are tons of possibilities such as running BackTrack, GParted, Ubuntu and other Linux flavors each of which is designed for special purposes. BackTrack is a security testing and assessment tool built n top of Linux kernel while GParted is designed for disk management. Ubuntu is a full featured operating system.

Preparation

Download your flavor of Linux from these download links.
GParted       - Disk Management
BackTrack   -Security Assessment and Testing
Ubuntu        -Full featured OS.
Xubuntu      -Full featured OS.

Download a Live USB creator tool.
UNebootin                     - Available for Mac, Windows and Linux
Live USB Install           -  Available for Windows and Linux
Universal USB Installer - Available for Windows
FUSBi                         - Available for Windows and Linux
YUMI                          - A multi boot installer (Windows only).

Installation

After downloading your favorite flavor of Linux and live USB creator tool, lets jump head first into installing Linux.

Run and install the live USB creator tool. In this case I am going to use UNebootin to install GParted (Disk Management Linux).

Firefox running on GParted (USB boot).



See the video to see the steps of installing..

Cracking your Windows password
I used GPart to reset my Windows password. I am not sure about other Linux flavors have included the utility needed to do this.

Boot from the newly created Live USB GPart.
Now you will need to mount the drive using the utility Mount-gtk found in System Tools.

Mount-gtk Utility
Look for your System Drive / Partition. If you are not sure you can mount all the drives, then open every drive from the file explorer ( can be found on the Desktop). This way you can be sure which media is your system Drive. Notice that in the above screenshot  you can see "/media/sdb1" , "/media/sdb3" etc. These are actually the path(s) to the root of the drive. Find out which one of these is your system drive by using the file explorer.

Now launch LXTerminal which can be found in the Accessories menu. My System drive (Windows drive/partition) name is "/media/sdb3". So I type "chntpw /media/sdb3/Windows/System32/config/sam". Note that in Linux, file and folder names are case sensitive.

After you press enter you will be prompted with a few options.. Now to clear the password type 1 and hit the enter key. You will be prompted again to write the hive files. Type y and then press enter.
Congratulations! You successfully broke into your own system... Next time don't forget your password!

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