Discovered: August 15, 2005
Updated: February 13, 2007 12:43:25 PM
Also Known As: CME-354, Win32.Esbot.{A, B} [Computer Associates], Backdoor.Win32.IRCBot.es [Kasp, W32/IRCbot.gen [McAfee], W32/Sdbot-ACG [Sophos], BKDR_RBOT.BD [Trend Micro]
Type: Worm
Systems Affected: Windows 2000
W32.Esbot.A is a worm that spreads by exploiting the Microsoft Windows Plug and Play Buffer Overflow Vulnerability (described in
Microsoft Security Bulletin MS05-039).
Note:
- Customers running Norton Internet Security 2005 AntiSpyware Edition and Symantec AntiVirus Corporate Edition 10.x can make use of the product's remediation functionality to remove this risk.
- While computers running Windows 95/98/Me/NT4/XP operating systems cannot be infected remotely, it is possible they could be infected if the threat is executed locally (although this is an unlikely occurrence). Vulnerable Windows 2000 computers could then be infected by the compromised computer.
Protection
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Initial Rapid Release version August 15, 2005
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Latest Rapid Release version March 3, 2008 revision 035
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Initial Daily Certified version August 15, 2005
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Latest Daily Certified version March 3, 2008 revision 037
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Initial Weekly Certified release date August 15, 2005
Click for a more detailed description of Rapid Release and Daily Certified virus definitions.
Threat Assessment
Wild
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Wild Level: Medium
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Number of Infections: 50 - 999
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Number of Sites: More than 10
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Geographical Distribution: Low
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Threat Containment: Easy
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Removal: Moderate
Damage
Distribution
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Distribution Level: Medium
Writeup By: Yana Liu
