alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Tech Support Phone Scam Landing M3 Jun 3"; flow:established,to_client; http.stat_code; content:"200"; http.content_type; content:"text/html"; startswith; file.data; content:"<title>Chrome Error"; fast_pattern; nocase; content:"function myFunction"; nocase; distance:0; content:"setInterval"; nocase; distance:0; pcre:"/^\s*\(\s*function\s*\(\s*\)\s*\{\s*alert\s*\([\x22\x27]\s*Warning/Rsi"; classtype:social-engineering; sid:2022855; rev:4; metadata:created_at 2016_06_03, confidence High, signature_severity Minor, updated_at 2024_03_02;)