alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET ADWARE_PUP Trojan.FakeAV.SystemDefender Checkin";
flow:established,to_server;
http.method;
content:"GET"; depth:3;
http.uri;
content:".php?"; nocase;
content:"action=stat&wmid="; nocase;
content:"&event="; nocase;
content:"&uid="; nocase;
content:"&i1"; nocase;
content:"&i2"; nocase;
reference:md5,4d1df7240837832853c8b87606f3dfc2;
classtype:pup-activity;
sid:2008732; rev:7;
metadata:created_at 2010_07_30, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_31;
)