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IRC Trojan

Risk Level 1: Very Low

June 16, 1998
June 7, 2007 9:58:19 PM
Infection Length:
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP
IRC Trojan is a detection for Trojans use Internet Relay Chat (IRC). The IRC connection serves as a back door, allowing an attacker to perform a variety of actions on the compromised computer. An attacker usually gathers a large number of computers infected with IRC Trojan and uses them as a bot network, controlled through IRC.

The use of IRC separates threats from their traditional back door counterparts in that the hacker does not issue commands directly to the back door. Rather they are routed through the IRC server and channel, and then on to the compromised computer. Without the IRC server or channel, the attacker is unable to control the compromised computer.

Antivirus Protection Dates

  • Initial Rapid Release version March 10, 2004
  • Latest Rapid Release version September 30, 2015 revision 005
  • Initial Daily Certified version March 10, 2004 revision 007
  • Latest Daily Certified version September 30, 2015 revision 009
  • Initial Weekly Certified release date September 4, 1998
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Ben Nahorney

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