Backdoor.Hebolani

Risk Level 1: Very Low

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Discovered:: January 27, 2005
Updated:: February 13, 2007 12:32:34 PM
Type:: Trojan Horse
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

Backdoor.Hebolani is a Trojan that exploits the Windows User32.DLL ANI File Header Handling Stack-Based Buffer Overflow Vulnerability (BID 12233). The Trojan exists as a malformed animated cursor (.ani).

To download the Microsoft security update for this vulnerability, see the Microsoft Security Bulletin MS05-002.

Antivirus Protection Dates

Initial Rapid Release version January 28, 2005
Latest Rapid Release version July 12, 2008 revision 018
Initial Daily Certified version January 28, 2005
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date February 2, 2005

Click 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: Easy

Damage

Damage Level: Low

Distribution

Distribution Level: Low

Writeup By: Rodney Andres

Technical Details

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Internet Security Threat Report, Volume 16