alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Microsoft Fake Support Phone Scam Mar 7"; flow:established,to_client; http.stat_code; content:"200"; http.content_type; content:"text/html"; startswith; file.data; content:"<title>Microsoft"; nocase; content:"function myFunction()"; pcre:"/^\s*?\{\s*?setInterval\s*?\(\s*?function/Rsi"; content:"alert2.mp3"; fast_pattern; nocase; distance:0; classtype:social-engineering; sid:2022602; rev:4; metadata:created_at 2016_03_07, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_02;)