Sophos

W32/Sdbot-YT

Aliases
  • Backdoor.Win32.SdBot.yn
  • W32/Sdbot.worm.gen.i
  • W32.Randex
  • WORM_SDBOT.BVI
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 27 May 2005 21:34:01 (GMT)
Detected by All Sophos products
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Action

More Information

W32/Sdbot-YT is a network worm with IRC backdoor functionality.

W32/Sdbot-YT allows a remote attacker to control the infected computer through an IRC connection. W32/Sdbot-YT is a worm with IRC backdoor functionality for the Windows platform.

W32/Sdbot-YT spreads to other network computers infected with certain types of malware and by copying itself to network shares protected by weak passwords.

W32/Sdbot-YT 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/Sdbot-YT copies itself to <Windows system folder>\aim.exe.

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

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
AOL Instant Messanger
aim.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
AOL Instant Messanger
aim.exe

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
AOL Instant Messanger
aim.exe

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