Sophos

W32/Rbot-GWW

Category
Type
What to do
Prevalence low high

Summary

 
How it spreads
  • Chat programs
Affected operating systems Windows
Characteristics
  • Drops more malware
  • Installs itself in the registry
Protection available since 18 April 2008 07:45:27 (GMT)
Detected by All Sophos products
  • Endpoint Security and Control 9.0
  • Small business solutions 4.0

Action

More Information

W32/Rbot-GWW is a network worm with backdoor Trojan functionality for the Windows platform.

The worm copies itself to a file named pr1nc.exe in the Windows system folder and creates the following registry entries:

HKCU\Software\Microsoft\OLE
Microsoft Svchost local services
%system%\pr1nc.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Microsoft Svchost local services
%system%\pr1nc.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
Microsoft Svchost local services
%system%\pr1nc.exe

W32/Rbot-GWW spreads to other network computers by Software vulnerabilities: RealVNC (CVE-2006-2369) and by copying itself to network shares protected by weak passwords.

W32/Rbot-GWW can be controlled by a remote attacker over specified IRC channels. The backdoor component of W32/Rbot-GWW can be instructed by a remote user to perform the following functions:
- start a FTP server
- start a Proxy server
- start a web server
- DDoS
- Ping flood
- SYN flood
- UDP flood
- log keypresses
- record clipboard data
- port scanning
- download/execute arbitrary files
- start a remote shell
- steal information
- reduce system security

W32/Rbot-GWW creates "C:\a.bat" which is detected as Troj/Batten-A.

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