Sophos

W32/Codbot-A

Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 26 January 2005 13:55:35 (GMT)
Detected by All Sophos products
  • Endpoint Security and Control 9.0
  • Small business solutions 4.0

Action

Please follow the instructions for removing worms.

To renable DCOM you can edit the registry, but it's better to use Dcomcnfg.exe. See Microsoft article 825750 for details.

More Information

W32/Codbot-A is a backdoor which contains functionality to spread via network shares.

W32/Codbot-A contains backdoor functionality which is likely to include packet sniffing and downloading further code.

W32/Codbot-A may attempt to exploit a number of vulnerabilities. W32/Codbot-A is a backdoor which contains functionality to spread via network shares.

When first run, W32/Codbot-A copies itself to the Windows system folder as NETMON.EXE and installs this file as a service with servicename "Netmon" and display name "Network Monitoring Service". The worm attempts to connect to an IRC channen and listens for backdoor commands from a remote attacker.

W32/Codbot-A contains backdoor functionality which is likely to include packet sniffing and downloading further code.

W32/Codbot-A may create Run and RunServices registry entries in order to run itself on system startup.

W32/Codbot-A makes the following change to the system registry:

HKLM\SOFTWARE\Microsoft\Ole
EnableDCOM
"N"

W32/Codbot-A may attempt to exploit a number of vulnerabilities.

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