Trojan.Kaht

Risk Level 1: Very Low

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Discovered:: May 5, 2003
Updated:: February 13, 2007 12:00:57 PM
Also Known As:: TROJ_Kaht.A[Trend]
Type:: Trojan Horse
Systems Affected:: Microsoft IIS

Trojan.Kaht is a Hacktool used by its creator to scan for and exploit the vulnerability of the Microsoft WebDAV server, running IIS 5.0. An individual who successfully exploits this vulnerability may completely control an affected Web server.

Many applications use the vulnerable Win32 API component, ntdll.dll, so other attack vectors may exist. Symantec Security Response strongly recommends that all the users of Microsoft 2000 and NT 4.0 audit their computers for the vulnerabilities, which are referred to in the Microsoft Security Bulletin MS03-007.

Antivirus Protection Dates

Initial Rapid Release version May 5, 2003
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version May 5, 2003
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date May 7, 2003

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: Yana Liu

Technical Details

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Internet Security Threat Report, Volume 16