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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Sdbot.KFG

Threat LevelHigh threatDamageSevereDistributionNot widespread
Common name:Sdbot.KFG
Technical name:W32/Sdbot.KFG.worm
Threat level:Medium
Type:Worm
Subtype: Backdoor
Effects:   It allows to gain remote access to the affected computer. It spreads and affects other computers.
Affected platforms:

Windows 2003/XP/2000/NT/ME/98/95

First detected on:April 10, 2007
Detection updated on:April 10, 2007
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    
Sdbot.KFG is a worm with that has backdoor characteristics. Sdbot.KFG spreads by copying itself, without infecting other files. Its main objective is to collapse computers and networks, thus preventing users from working on their computers.
Furthermore, due to its backdoor characteristics, Sdbot.KFG allows hackers to gain remote access to the affected computer. Therefore, hackers will be able to carry out actions that compromise user confidentiality and impede the tasks carried out on the computer.

 

  • In the local network: it generates a large amount of network activity and consumes bandwidth.

 

It reduces the security level of the computer: it opens one or more ports to allow remote access to the computer and takes action that compromises user confidentiality; it awaits remote-control orders received through IRC or FTP.

 

It uses several methods in order to avoid detection by antivirus companies:

  • It terminates its own execution if it detects that it is being executed in a virtual machine environment, such as VMWare or VirtualPC.

 

Sdbot.KFG uses the following propagation or distribution methods:

  • Exploiting vulnerabilities with the intervention of the user: exploiting vulnerabilities in file formats or applications. To exploit them successfully it needs the intervention of the user: opening files, viewing malicious web pages, reading emails, etc.
  • Via Internet, exploiting remote vulnerabilities: attacking random IP addresses, in which it tries to insert a copy of itself by exploiting one or more vulnerabilities.
  • IRC: It sends a copy of itself to all users connected to the channel to which the infected user is connected.
  • Computer networks (mapped drives): it creates copies of itself in mapped drives.
  • Computer networks (shared resources): it creates copies of itself in shared network resources to which it has access.