Sophos

W32/Rbot-AJW

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 7 August 2005 14:30:11 (GMT)
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Action

More Information

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

W32/Rbot-AJW spreads:

- to other network computers by exploiting common buffer overflow vulnerabilites, including: LSASS (MS04-011), RPC-DCOM (MS04-012) and WKS (MS03-049) (CAN-2003-0812)
- by copying itself to network shares protected by weak passwords

W32/Rbot-AJW 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/Rbot-AJW copies itself to <System>\ms-dos.pif.

The following registry entries are created to run ms-dos.pif on startup:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
MS-DOS Windows Service
MS-DOS.PIF

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
MS-DOS Windows Service
MS-DOS.PIF

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
MS-DOS Windows Service
MS-DOS.PIF

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