This attack could pose a serious security threat. You should take immediate action to stop any damage or prevent further damage from happening.
This signature detects W32.IRCBot network activity.
W32.IRCBot!gen1 is a heuristic detection that may include members of the http://www.symantec.com/security_response/writeup.jsp?docid=2002-070818-0630-99 threat family.
Files that are detected as W32.IRCBot!gen1 are considered malicious. We suggest that any files you believe are incorrectly detected as W32.IRCBot!gen1 be submitted to Symantec Security Response. For instructions on how to do this using Scan and Deliver, read http://www.symantec.com/business/security_response/submitsamples.jsp.