[virusinfo] W32/Sdbot-WE
- From: "Mike" <mikebike@xxxxxxxxx>
- To: virusinfo@xxxxxxxxxxxxx
- Date: Mon, 21 Mar 2005 10:02:55 -0800
From; Sophos Alert System:
Name: W32/Sdbot-WE
Aliases: Backdoor.Win32.SdBot.gen
Type: Win32 worm
Date: 21 March 2005
A virus identity (IDE) file which provides protection is
available now from the Sophos website, and will be incorporated
into the May 2005 (3.93) release of Sophos Anti-Virus.
Customers using EM Library, PureMessage or any of our Sophos
small business solutions will be automatically protected at
their next scheduled update.
At the time of writing, Sophos has received a small number of
reports of this worm from the wild.
Information about W32/Sdbot-WE can be found at:
http://www.sophos.com/virusinfo/analyses/w32sdbotwe.html
This section is for technical experts who want to know more.
W32/Sdbot-WE is a worm which attempts to spread to remote network shares. It
also contains backdoor Trojan functionality, allowing unauthorised remote
access to the infected computer via IRC channels.
W32/Sdbot-WE spreads to network shares with weak passwords and via network
security exploits as a result of the backdoor Trojan element receiving the
appropriate command from a remote user.
W32/Sdbot-WE copies itself to the Windows system folder as IPCONN.EXE and
creates entries at the following locations in the registry with the value
"Logitech Desktop" so as to run itself on system startup:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
W32/Sdbot-WE may set the following registry entries:
HKLM\SOFTWARE\Microsoft\Ole\EnableDCOM = "N"
HKLM\SYSTEM\CurrentControlSet\Control\Lsa\restrictanonymous = "1"
W32/Sdbot-WE may attempt to delete network shares on the host computer.
W32/Sdbot-WE also copies itself to the filename ZRMOTD.DAT.
This IDE file also includes detection for:
Troj/Bancban-BV
http://www.sophos.com/virusinfo/analyses/trojbancbanbv.html
Troj/Dloader-JJ
http://www.sophos.com/virusinfo/analyses/trojdloaderjj.html
Troj/Bancos-BT
http://www.sophos.com/virusinfo/analyses/trojbancosbt.html
Troj/Ciadoor-H
http://www.sophos.com/virusinfo/analyses/trojciadoorh.html
Download the IDE file from:
http://www.sophos.com/downloads/ide/sdbot-we.ide
Download all the IDE files available for the current version of
Sophos Anti-Virus in a single compressed file. The file is
available in two formats:
Zip file:
http://www.sophos.com/downloads/ide/ides.zip
Self-extracting file:
http://www.sophos.com/downloads/ide/ides.exe
Read about how to use IDE files at
http://www.sophos.com/downloads/ide/using.html
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