W32.DoS.Trinoo

Risk Level 1: Very Low

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Discovered:: December 30, 1999
Updated:: February 13, 2007 11:55:14 AM
Also Known As:: W32/Trinoo, Trinoo, TROJ_TRINOO
Type:: Trojan Horse

Trinoo is not a virus, but an attack tool released in late December 1999 that performs a distributed Denial of Service attack. W32.DoS.Trinoo is a Windows compiled version of the Trinoo master component.

Antivirus Protection Dates

Initial Rapid Release version February 22, 2000
Latest Rapid Release version August 20, 2008 revision 017
Initial Daily Certified version February 22, 2000
Latest Daily Certified version August 20, 2008 revision 016
Initial Weekly Certified release date pending

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: Difficult
Removal: Moderate

Damage

Damage Level: Medium

Distribution

Distribution Level: Low

Writeup By: Motoaki Yamamura

Technical Details

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Internet Security Threat Report, Volume 16