high
Summary
Summary
Action- More Information
| Included in our products from | June 2004 (3.82) |
|---|---|
| Protection available since | 3 May 2004 16:17:52 (GMT) |
| Detected by | All Sophos products |
Action
- Summary
- Action
- More Information
Please read the instructions for removing W32/Sasser-D.
More Information
W32/Sasser-D is a network worm that exploits the Windows LSASS vulnerability.
W32/Sasser-D generates random IP addresses and attempts to send them an ICMP echo. If successful, W32/Sasser-D attempts to connect to them on ports TCP/9995 and TCP/445 and exploit the LSASS vulnerability. An FTP script is
then downloaded and executed which connects back on port 5554 to download a copy of the worm via FTP.
For further information on this vulnerability see http://www.microsoft.com/technet/security/bulletin/MS04-011.mspx.
When first run W32/Sasser-D copies itself to the Windows folder with the filename skynetave.exe and creates the registry entry, so the worm is run automatically each time Windows is started:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run\
skynetave.exe = %WINDOWS%\skynetave.exe
A harmless text file is created in the C:\ root folder named win2.log.
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