alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED Fake AV Phone Scam Landing June 16 2015 M3"; flow:established,to_client; file_data; content:"<title>Virus Firewall Alert!</title>"; nocase; fast_pattern:16,20; content:"myFunction|28 29|"; distance:0; content:"popup-mac-warning.png"; nocase; distance:0; classtype:social-engineering; sid:2021287; rev:2; metadata:created_at 2015_06_17, signature_severity Unknown, updated_at 2019_07_26;)