Shakey
8-13-03, 03:12 AM
Hey, all. Since I have been battling this little bugger all day at work, I thought that I would mention it here as well. Just as a safety precaution for you all.
There is a new worm loose on the Internet affceting users of Windows 2000 and XP and it is nasty! It is called the "W32.Blaster.Worm". Here is a little write up from Symantec (http://www.symantec.com/) about it.
W32.Blaster.Worm is a worm that exploits the DCOM RPC vulnerability (described in Microsoft Security Bulletin MS03-026) using TCP port 135. This worm attempts to download the msblast.exe file to the %WinDir%\system32 directory and execute it.
Block access to TCP port 4444 at the firewall level, and then block the following ports, if they do not use the applications listed:
TCP Port 135, "DCOM RPC"
UDP Port 69, "TFTP"
The worm also attempts to perform a Denial of Service (DoS) on Windows Update. This is an attempt to prevent you from applying a patch on your computer against the DCOM RPC vulnerability.
If you want some in-depth info, you can read about it here - W32.Blaster.Worm. (http://securityresponse.symantec.com/avcenter/venc/data/w32.blaster.worm.html)
You can run a test here to see if Port 135 is open on your PC - GRC. (https://grc.com/x/portprobe=135) If the port is not open, then you are pretty safe.
If you believe that you have been infected, you can download a removal tool here - FixBlast from Symantec. (http://securityresponse.symantec.com/avcenter/FixBlast.exe)
You should also either go to MS Windows Update to download the latest security patch or get them here:
Windows 2000 Security Patch (http://download.microsoft.com/download/0/1/f/01fdd40f-efc5-433d-8ad2-b4b9d42049d5/Windows2000-KB823980-x86-ENU.exe)
Windows XP Security Patch (http://download.microsoft.com/download/9/8/b/98bcfad8-afbc-458f-aaee-b7a52a983f01/WindowsXP-KB823980-x86-ENU.exe)
Just thought that I would mention it. :)
There is a new worm loose on the Internet affceting users of Windows 2000 and XP and it is nasty! It is called the "W32.Blaster.Worm". Here is a little write up from Symantec (http://www.symantec.com/) about it.
W32.Blaster.Worm is a worm that exploits the DCOM RPC vulnerability (described in Microsoft Security Bulletin MS03-026) using TCP port 135. This worm attempts to download the msblast.exe file to the %WinDir%\system32 directory and execute it.
Block access to TCP port 4444 at the firewall level, and then block the following ports, if they do not use the applications listed:
TCP Port 135, "DCOM RPC"
UDP Port 69, "TFTP"
The worm also attempts to perform a Denial of Service (DoS) on Windows Update. This is an attempt to prevent you from applying a patch on your computer against the DCOM RPC vulnerability.
If you want some in-depth info, you can read about it here - W32.Blaster.Worm. (http://securityresponse.symantec.com/avcenter/venc/data/w32.blaster.worm.html)
You can run a test here to see if Port 135 is open on your PC - GRC. (https://grc.com/x/portprobe=135) If the port is not open, then you are pretty safe.
If you believe that you have been infected, you can download a removal tool here - FixBlast from Symantec. (http://securityresponse.symantec.com/avcenter/FixBlast.exe)
You should also either go to MS Windows Update to download the latest security patch or get them here:
Windows 2000 Security Patch (http://download.microsoft.com/download/0/1/f/01fdd40f-efc5-433d-8ad2-b4b9d42049d5/Windows2000-KB823980-x86-ENU.exe)
Windows XP Security Patch (http://download.microsoft.com/download/9/8/b/98bcfad8-afbc-458f-aaee-b7a52a983f01/WindowsXP-KB823980-x86-ENU.exe)
Just thought that I would mention it. :)