Sophos

W32/Nirbot-C

Aliases
  • Win32/Poebot
  • trojan
  • Backdoor.Win32.VanBot.ax
  • W32/Nirbot.worm
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from March 2008 (4.27)
Protection available since 5 February 2008 20:13:37 (GMT)
Detected by All Sophos products

Action

More Information

W32/Nirbot-C is a worm with IRC backdoor functionality for the Windows platform.

W32/Nirbot-C 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/Nirbot-C copies itself to <System>\<random>.exe.

The following registry entry is created to run W32/Nirbot-C on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Windows <random>
<System>\<random>.exe

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