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Virus:Worm/SdBot.36352
Date discovered:24/11/2005
Type:Worm
In the wild:Yes
Reported Infections:Low
Distribution Potential:Low to medium
Damage Potential:Medium
Static file:Yes
File size:36.352 Bytes
MD5 checksum:c94aef3f8db3c8d6f7483a1accaccffc
IVDF version:6.32.00.223 - Thursday, November 24, 2005

 General Method of propagation:
   • Messenger


Aliases:
   •  Mcafee: W32/Checkout
   •  Kaspersky: Backdoor.Win32.SdBot.dbo
   •  F-Secure: Backdoor.Win32.SdBot.dbo
   •  Eset: Win32/IRCBot.AHG
   •  Bitdefender: Backdoor.Pushbot.C


Platforms / OS:
   • Windows 95
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003


Side effects:
   • Registry modification
   • Steals information
   • Third party control

 Files It copies itself to the following location:
   • %WINDIR%\live.messenger.com

 Registry The following registry key is added in order to run the process after reboot:

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • MSN Messenger = live.messenger.com

 Messenger It is spreading via Messenger. The characteristics are described below:

– Windows Live Messenger


To:
All online contacts in the contact list.

 IRC To deliver system information and to provide remote control it connects to the following IRC Server:

Server: **********.milan-fans.com
Port: 8080
Server password: oxxdull
Channel: #!msg4!
Nickname: [00|USA|%number%]
Password: mmmsg



– This malware has the ability to collect and send information such as:
    • Cached passwords
    • Information about running processes


– Furthermore it has the ability to perform actions such as:
    • Download file
    • Execute file
    • Start spreading routine
    • Terminate process
    • Updates itself

 File details Programming language:
The malware program was written in MS Visual C++.


Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with a runtime packer.

Description inserted by Andrei Gherman on Thursday, June 19, 2008
Description updated by Andrei Gherman on Thursday, June 19, 2008

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