alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP SurfSidekick Activity (ipixel)"; flow:established,to_server; http.uri; content:"/ipixel.htm?cid="; fast_pattern; nocase; content:"&pck_id="; nocase; reference:url,securityresponse.symantec.com/avcenter/venc/data/adware.surfsidekick.html; classtype:pup-activity; sid:2001994; rev:10; metadata:created_at 2010_07_30, signature_severity Minor, updated_at 2024_03_17;)