alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET WEB_CLIENT Fake AV Phone Scam Landing July 20 2015 M2"; flow:to_server,established; http.method; content:"GET"; http.uri; content:"index.html?city="; fast_pattern; content:"&ip="; distance:0; content:"&isp="; distance:0; http.header_names; content:!"Referer|0d 0a|"; classtype:social-engineering; sid:2021447; rev:4; metadata:created_at 2015_07_20, confidence High, signature_severity Minor, updated_at 2020_09_01;)