1. Symantec/
  2. Security Response/
  3. Trojan.Httpdos


Risk Level 1: Very Low

January 20, 2004
February 13, 2007 12:16:29 PM
Also Known As:
Trojan Horse
Systems Affected:

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.

  • 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.

Antivirus Protection Dates

  • Initial Rapid Release version January 20, 2004
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version January 20, 2004
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date January 21, 2004
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Robert X Wang

Search Threats

Search by name
Example: W32.Beagle.AG@mm
STAR Antimalware Protection Technologies
2016 Internet Security Threat Report, Volume 21
  • Twitter
  • Facebook
  • LinkedIn
  • Google+
  • YouTube