Sophos

W32/Rbot-AEA

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 1 June 2005 14:18:33 (GMT)
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Action

More Information

W32/Rbot-AEA is a worm and IRC backdoor Trojan for the Windows platform.

W32/Rbot-AEA 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.

W32/Rbot-AEA can spread to remote network shares protected by weak passwords and to computers vulnerable to the RPC-DCOM vulnerability.

When first run W32/Rbot-AEA copies itself to \system.exe.

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

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
System Kernal Support
system.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
System Kernal Support
system.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
System Kernal Support
system.exe

Registry entries are set as follows:

HKLM\SOFTWARE\Microsoft\Ole
EnableDCOM
N

HKLM\SYSTEM\CurrentControlSet\Control\Lsa
restrictanonymous
1

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