Sophos

W32/IRCBot-ABF

Category
Type
What to do
Prevalence low high

Summary

 
How it spreads
  • Network shares
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from May 2008 (4.29)
Protection available since 4 April 2008 06:55:22 (GMT)
Detected by All Sophos products

Action

More Information

W32/IRCBot-ABF contains functionality to spread via network shares.

W32/IRCBot-ABF runs continuously in the background, providing a backdoor server which allows a remote intruder to gain access and control over the computer via IRC channels.

When first run W32/IRCBot-ABF copies itself to <System>\mdm.exe.

The following registry entries are created to run mdm.exe on startup:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Windows Networking Monitoring
<System>\mdm.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Windows Networking Monitoring
<System>\mdm.exe

The following registry entry is set:

HKLM\SOFTWARE\Microsoft\Ole
EnableDCOM
N

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