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- Discovered:
- October 16, 2003
- Updated:
- February 13, 2007 12:12:16 PM
- Also Known As:
- W32/Gaobot.worm.gen.b [McAfee]
- Type:
- Worm
- Systems Affected:
- Windows 2000, Windows NT, Windows XP
W32.HLLW.Gaobot.AZ is a minor variant of W32.HLLW.Gaobot.AP that attempts to spread to network shares and allows access to an infected computer through an IRC channel.
The worm uses multiple vulnerabilities to spread, including:
- The DCOM RPC vulnerability (described in Microsoft Security Bulletin MS03-026) using TCP port 135
- The RPC locator vulnerability (described in Microsoft Security Bulletin MS03-001) using TCP port 445
- The WebDav vulnerability (described in Microsoft Security Bulletin MS03-007) using TCP port 80
Antivirus Protection Dates
- Initial Rapid Release version October 17, 2003
- Latest Rapid Release version September 28, 2010 revision 054
- Initial Daily Certified version October 17, 2003
- Latest Daily Certified version September 28, 2010 revision 036
- Initial Weekly Certified release date October 22, 2003
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Threat Assessment
Wild
- Wild Level: Low
- Number of Infections: 0 - 49
- Number of Sites: 0 - 2
- Geographical Distribution: Low
- Threat Containment: Easy
- Removal: Moderate
Damage
- Damage Level: Medium
Distribution
- Distribution Level: Medium
Writeup By: Scott Gettis
