Sophos

W32/Codbot-Gen

Category
Type
What to do
Prevalence low high

Summary

 
How it spreads
  • Network shares
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 24 February 2005 10:52:21 (GMT)
Last updated 9 August 2005 17:47:01 (GMT)
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Action

More Information

Sophos Anti-Virus products detect members of the W32/Codbot family of worms as W32/Codbot-Gen.

Worms detected as W32/Codbot-Gen provide backdoor Trojan functionality to a remote attacker via IRC channels. Such worms may spread to remote network shares with weak passwords in response to a command from a remote attacker.

Members of W32/Codbot family typically attempt to exploit vulnerabilities, such as the LSASS vulnerability (MS04-011). Sophos Anti-Virus products detect members of the W32/Codbot family of worms as W32/Codbot-Gen.

Worms detected as W32/Codbot-Gen provide backdoor Trojan functionality to a remote attacker via IRC channels. Such worms may spread to remote network shares with weak passwords in response to a command from a remote attacker.

Members of W32/Codbot family may copy themselves to the Windows system folder and create entries in the following registry entries to run themselves when the user logs on:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run
HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices
HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot\Minimal

This backdoor functionality typically includes the ability to sniff packets, download further malicious code and steal passwords and other system information.

W32/Codbot worms may register themselves as service processes.

Members of W32/Codbot family typically attempt to exploit vulnerabilities, such as the LSASS vulnerability (MS04-011).

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