alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Spywaremover Activity"; flow:established,to_server; http.uri; content:"/spywareremovers.php?"; http.host; content:"topantispyware.com"; fast_pattern; startswith; reference:url,securityresponse.symantec.com/avcenter/venc/data/adware.topantispyware.html; classtype:pup-activity; sid:2001520; rev:12; metadata:created_at 2010_07_30, signature_severity Minor, updated_at 2024_03_01;)