alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Fake AV Phone Scam Landing June 8 2015 M2"; flow:established,to_client; file_data; content:"<title>Norton Firewall Warning</title>"; fast_pattern; nocase; content:"function myFunction|28 29|"; nocase; distance:0; content:"Windows has blocked access to the Internet."; nocase; distance:0; classtype:social-engineering; sid:2021207; rev:4; metadata:created_at 2015_06_09, confidence High, signature_severity Minor, updated_at 2022_03_17;)