alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Fake AV Phone Scam Landing June 26 2015 M6"; flow:established,to_client; http.content_type; content:"text/html"; startswith; file.data; content:"<title>WARNING|3a|"; nocase; fast_pattern; content:"onbeforeunload"; nocase; distance:0; content:"function|28 29|"; nocase; distance:0; content:"virus"; nocase; distance:0; classtype:social-engineering; sid:2021368; rev:5; metadata:created_at 2015_06_29, confidence High, signature_severity Minor, updated_at 2024_03_02;)