Spoof MAC on Windows NT
By: KLC Security Team
|Trojan Analysis||Security Resources||Spoof MAC Address|
You are invited to sign up for SMAC mailing list for updates of SMAC and related projects.
URL for this article: http://www.klcconsulting.net/change_mac_wnt.htm
Kyle Lai, CISSP, CISA
KLC Consulting, Inc.
How do you change (Spoof) MAC addresses in Windows NT 4.0?
Warning: The following information is provided “AS IS.” If you have any inputs, please send me an email.
|*** Disclaimer: Try
these steps at your own risk!!!
These steps would work, but they are not supported in any way by
*** I will not be responsible for any damages that might occur on your system.
*** DO NOT try this if you are not comfortable with this disclaimer!
Goto Start->Run, type "cmd" to goto command prompt
Type "ipconfig /all" and record the MAC address for each network adapter
Goto Start->Run, type "regedit" to bring up registry editor. Make sure you backup your registry in case you screw up. If you screw up important registry entries, you may damage your computer system. Again, MAKE SURE you have a good backup of your registry entry!
Locate "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\<network adapter>\Parameters". <network adapter> should have subkeys like "xyz0000", "xyz0001", "xyz0002" and so on.
Click on each subkey that starts with "0000" and determine your Ethernet card by looking at "DriverDesc" key. If it did not match, then goto "0001", "0002" and so on...
Once you got the right NIC card,
Click on dropdown menu Edit->New->String Value.
Name the new string "NetworkAddress" and click OK.
Double-click on the new "NetworkAddress" string and you will be prompted for "Value data"
Enter the new MAC address you want to assign. The MAC address you enter should be a 12 digit number with NO "-", i.e. "00C095ECB761"
Reboot your system
Verify the new MAC address with "IPCONFIG"
SMAC - MAC Address Modifying Utility for Windows 2000/XP/2003
MAC Address Spoofing for Windows 2000 & XP/2003
MAC Address Spoofing for Windows NT 4.0
MAC Address Spoofing for Windows 98/ME
MAC Address Spoofing for Unix/Linux
Copyright © 2002-2011 KLC Consulting, Inc..
All rights reserved.