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W32/Delbot-AJ

Aliases
  • Backdoor.Win32.IRCBot.aba
  • W32/Nirbot.worm!RpcDns
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 17 April 2007 20:43:04 (GMT)
Last updated 26 April 2007 05:31:26 (GMT)
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Action

More Information

W32/Delbot-AJ is a worm with backdoor functionality for the Windows platform.

W32/Delbot-AJ spreads to other network computers by:
- Scanning network shares for weak passwords
- Exploiting common buffer overflow vulnerabilities
- Symantec (SYM06-010)
- Microsoft Security Advisory (935964): Vulnerability in RPC on Windows DNS Server Could Allow Remote Code Execution.

W32/Delbot-AJ is a worm with backdoor functionality for the Windows platform.

W32/Delbot-AJ spreads to other network computers by:
- Scanning network shares for weak passwords
- Exploiting common buffer overflow vulnerabilities
- Symantec (SYM06-010)
- Microsoft Security Advisory (935964): Vulnerability in RPC on Windows DNS Server Could Allow Remote Code Execution.

W32/Delbot-AJ runs continuously in the background, providing a backdoor server which allows a remote intruder to gain access and control over the computer.

W32/Delbot-AJ includes functionality to download, install and run new software.

When first run W32/Delbot-AJ copies itself to <System>\mozila.exe and attempts to download a file to <Root>\radi.exe. At the time of writing, the download was not available.

The following registry entry is created to run mozila.exe on startup:

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

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