alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Win32.Virut - GET";
flow:established,to_server;
http.method;
content:"GET"; depth:3;
http.uri;
content:"?n="; nocase;
content:"&lastid="; nocase;
content:"&Version"; nocase;
content:"&smartpic="; nocase;
content:"&rand="; nocase;
reference:url,www.microsoft.com/security/portal/Threat/Encyclopedia/Entry.aspx?Name=Win32%2fVirut;
reference:url,www.avast.com/eng/win32-virut.html;
reference:url,free.avg.com/66558;
reference:url,www.threatexpert.com/threats/virus-win32-virut-ce.html;
classtype:trojan-activity;
sid:2009808; rev:7;
metadata:created_at 2010_07_30, signature_severity Major, updated_at 2020_09_02;
)