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Trojan.Httpdos

Risk Level 1: Very Low

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Discovered: January 20, 2004
Updated: February 13, 2007 12:16:29 PM
Also Known As: Backdoor.Snart.j[Kaspersky]
Type: Trojan Horse
Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP


Trojan.Httpdos is Trojan horse that attempts to perform a Denial of Service (DoS) attack against several servers. The addresses of these servers are hard-coded into the Trojan.


Notes:
  • Definitions dated prior to January 21, 2004 may detect this threat as a Trojan Horse.
  • Security Response has received reports that the DNS server hosting the DNS records for these servers has been compromised. If this is the case, these addresses may resolve to any IP address.



Protection

  • Initial Rapid Release version January 20, 2004
  • Latest Rapid Release version March 3, 2008 revision 035
  • Initial Daily Certified version January 20, 2004
  • Latest Daily Certified version March 3, 2008 revision 037
  • Initial Weekly Certified release date January 21, 2004

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: Low

Distribution

  • Distribution Level: Low

Writeup By: Robert X Wang
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