alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Fake AV Phone Scam Mar 23"; flow:established,to_client; http.stat_code; content:"200"; http.content_type; content:"text/html"; startswith; file.data; content:"<title>Microsoft"; fast_pattern; nocase; content:"function myFunction"; nocase; distance:0; content:"setInterval"; nocase; distance:0; pcre:"/^\s*?\(\s*?function\s*?\(\s*?\)\s*?\{\s*?alert\s*?\(/Rsi"; content:"<audio"; nocase; distance:0; classtype:social-engineering; sid:2022649; rev:4; metadata:created_at 2016_03_23, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_02;)