[virusinfo] W32/Rbot-ZQ
- From: "Mike" <mikebike@xxxxxxxxx>
- To: virusinfo@xxxxxxxxxxxxx
- Date: Mon, 04 Apr 2005 15:48:43 -0700
From; Sophos Alert System:
Name: W32/Rbot-ZQ
Aliases: Backdoor.Win32.Rbot.gen
Type: Win32 worm
Date: 4 April 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/Rbot-ZQ can be found at:
http://www.sophos.com/virusinfo/analyses/w32rbotzq.html
W32/Rbot-ZQ is an IRC backdoor and network worm.
W32/Rbot-ZQ may spread to remote network shares protected by weak passwords and
computers vulnerable to common exploits. The worm also opens up a backdoor,
allowing unauthorised remote access to infected computers via the IRC network,
while running in the background as a service process. The worm exploits the
following vulnerabilities: RPC-DCOM (MS04-12), LSASS (MS04-11) and WKS
(MS03-049). For patches for these vulnerabilities, see:
http://www.microsoft.com/technet/security/bulletin/MS03-049.mspx
http://www.microsoft.com/technet/security/bulletin/MS04-011.mspx
http://www.microsoft.com/technet/security/bulletin/MS04-012.mspx
W32/Rbot-ZQ can receive commands from a remote intruder to delete network
shares, log keypresses, participate in DDoS attacks, scan other computers for
vulnerabilities, steal passwords, steal registration keys for computer games,
create administrator accounts, terminate firewall and anti-virus processes and
capture video from webcameras attached to the computer.
W32/Rbot-ZQ copies itself to the Windows system folder with a random filename
and creates the following registry entries in order to alter system security:
HKLM\SYSTEM\CurrentControlSet\Services\wscsvc
Start =
4
HKLM\SOFTWARE\Microsoft\Ole
EnableDCOM =
"N"
HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess
Start =
4
HKLM\SYSTEM\CurrentControlSet\Control\Lsa
restrictanonymous =
1
HKLM\SYSTEM\CurrentControlSet\Services\NetBT\Parameters
TransportBindName =
""
HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings
MaxConnectionsPer1_0Server =
50
HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings
MaxConnectionsPerServer =
50
HKLM\SYSTEM\CurrentControlSet\Services\lanmanserver\parameters
AutoShareWks =
0
HKLM\SYSTEM\CurrentControlSet\Services\lanmanserver\parameters
AutoShareServer =
0
The worm also creates a number of new registry entries under
HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters
This IDE file also includes detection for:
Troj/VBStat-A
http://www.sophos.com/virusinfo/analyses/trojvbstata.html
Troj/Agent-IC
http://www.sophos.com/virusinfo/analyses/trojagentic.html
Troj/Bdoor-GP
http://www.sophos.com/virusinfo/analyses/trojbdoorgp.html
W32/Tirbot-C
http://www.sophos.com/virusinfo/analyses/w32tirbotc.html
Troj/Dloader-KV
http://www.sophos.com/virusinfo/analyses/trojdloaderkv.html
W32/Kelvir-G
http://www.sophos.com/virusinfo/analyses/w32kelvirg.html
Troj/Batten-A
http://www.sophos.com/virusinfo/analyses/trojbattena.html
W32/Rbot-ZV
http://www.sophos.com/virusinfo/analyses/w32rbotzv.html
W32/Sdbot-WT
http://www.sophos.com/virusinfo/analyses/w32sdbotwt.html
Download the IDE file from:
http://www.sophos.com/downloads/ide/rbot-zq.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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