alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Fake AV Phone Scam Landing Mar 15"; flow:established,to_client; http.stat_code; content:"200"; http.content_type; content:"text/html"; startswith; file.data; content:"<title>Security"; fast_pattern; nocase; content:"function DetectMobile"; nocase; distance:0; content:"function myFunction"; nocase; distance:0; content:"Please call"; nocase; distance:0; classtype:social-engineering; sid:2022619; rev:4; metadata:created_at 2016_03_16, confidence High, signature_severity Minor, updated_at 2024_03_02;)