[virusinfo] W32/Rbot-AGT

  • From: "Mike" <mikebike@xxxxxxxxx>
  • To: virusinfo@xxxxxxxxxxxxx
  • Date: Thu, 30 Jun 2005 15:54:21 -0700

From; Sophos Alert System:

Name: W32/Rbot-AGT
Type: Win32 worm
Date: 30 June 2005

Sophos has issued protection for W32/Rbot-AGT.

At the time of writing, Sophos has received a small number of
reports of this worm from the wild.

Customers using EM Library, Enterprise Console, PureMessage or
any of our Sophos small business solutions will be automatically
protected at their next scheduled update.


Information about W32/Rbot-AGT can be found at:
http://www.sophos.com/virusinfo/analyses/w32rbotagt.html

W32/Rbot-AGT is a network worm with backdoor functionality for the Windows 
platform. 
The worm copies itself to a file named scrsave.scr in the Windows system folder 
and creates the following registry entries: 
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
MS Screen Saver
scrsave.scr 
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
MS Screen Saver
scrsave.scr 
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
MS Screen Saver
scrsave.scr 
W32/Rbot-AGT spreads using a variety of techniques including exploiting weak 
passwords on computers and SQL servers, exploiting operating system 
vulnerabilities (including DCOM-RPC, LSASS and WKS) and using backdoors opened 
by other worms or Trojans. 
W32/Rbot-AGT can be controlled by a remote attacker over IRC channels. The 
backdoor component of W32/Rbot-AGT can be instructed by a remote user to 
perform the following functions: 
start an FTP server
start a Proxy server
start a web server
take part in distributed denial of service (DDoS) attacks
log keypresses
capture screen/webcam images
packet sniffing
port scanning
download/execute arbitrary files
start a remote shell (RLOGIN)
steal product registration information from certain software 
Patches for the operating system vulnerabilities exploited by W32/Rbot-AGT can 
be obtained from Microsoft at: 
MS01-059
MS03-007
MS03-049
MS04-011
MS04-012 

The W32/Rbot-AGT virus identity file (IDE) includes detection for:


Troj/Singu-R
http://www.sophos.com/virusinfo/analyses/trojsingur.html
Troj/GWGhost-M
http://www.sophos.com/virusinfo/analyses/trojgwghostm.html
Troj/Dloader-PR
http://www.sophos.com/virusinfo/analyses/trojdloaderpr.html
Troj/Fontal-B
http://www.sophos.com/virusinfo/analyses/trojfontalb.html
Troj/Bancos-DB
http://www.sophos.com/virusinfo/analyses/trojbancosdb.html
W32/Rbot-AGR
http://www.sophos.com/virusinfo/analyses/w32rbotagr.html
W32/Mytob-CS
http://www.sophos.com/virusinfo/analyses/w32mytobcs.html
Troj/Prodrop-A
http://www.sophos.com/virusinfo/analyses/trojprodropa.html
Troj/Psyme-CB
http://www.sophos.com/virusinfo/analyses/trojpsymecb.html
Troj/Banker-DS
http://www.sophos.com/virusinfo/analyses/trojbankerds.html

Customers with 3.xx or lower versions of Sophos Anti-Virus, 
who are not running EM Library, can manually download the IDE
for W32/Rbot-AGT from:

http://www.sophos.com/downloads/ide/rbot-agt.ide

Read about how to use IDE files at
http://www.sophos.com/support/knowledgebase/article/363.html

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