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Sunday, 31 March 2013

Hack the Windows Admin Password



Requirements:
BackTrack Linux 4 or 5. Download it from http://backtrack-linux.org
One pen drive(above 4gb)
Xp Free Fast RainBow table [tables_xp_free_fast.zip]. Download it from here:http://ophcrack.sourceforge.net/tables.php
*Install the Backtrack Linux in the pen drive with small amount of persistent memory.

Step 1: Booting From Back Track
Insert the pen drive in target computer[when turned off].  We are going to boot the operating system from pen drive, so insert when the system is turned off.
Now Turn on the system.
Press F10 [boot menu, differs for system]  before booting and select boot from Pen drive.
Now it will boot the Backtrack.
Select "Graphical User Interface "
Now wait for a while ( it will execute some commands}
Now you can see the "root:"
type "startx" and hit enter.  It will bring you to the GUI view of Backtrack.

Step 2:Copy the SAM and System files
Click the  Start button(dragon symbol)
Select System Menu
Select Storage Media(if you see nothing, close the window open it again).

You can see the list of Hard disk and Your pen drive.
Open the windows installed Hard disk and Navigate to this path:
WINDOWS/system32/config/

There you can see two files named as "SAM" and "System".

Copy the both SAM and system files .
[ Just proceed to next step without closing the window]

Create a new folder in the desktop and paste the files inside.

Step 4: Run OphCrack Tool in Backtrack
Open the ophcrack GUI(start->Backtrack->Privilege Escalation->Password Attack->offline Attacks-ophCrack GUI).

Step 5: Loading the folder that contains sam and system files

Click the Load and select "Encrypted SAM" in ophcrack tool.
Now it will ask you to select directory that contains SAM folder. Select the directory where you saved the SAM file.

Now it will load and display the list of user accounts in the windows.

Step 6: Target the Admin Account
Here i am going to hack the one of the administrator account of my computer. So remove all other accounts except the target admin account.

Step 7: The Rainbow Table

Extract the "tables_xp_free_fast.zip" file in the desktop.


Click the Table button in ophcrack tool. Now it will ask you to selec the table.  Select the "XP free fast" and click the install button. Now browse to the Rain bow table directory "tables_xp_free_fast"
Now click ok.

Step 8: Cracking Begins
Click the Crack button.
Wait for a while [ophcrack is the fastest cracking tool. so it won't take too much time]

Step 9: Password is cracked
Yes..!! we got the password.

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