alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Fake AV Phone Scam Landing June 11 2015 M2"; flow:established,to_client; file_data; content:"<title>Firewall Alert!</title>"; nocase; fast_pattern; content:"myFunction|28 29|"; nocase; distance:0; content:"warning_message.png"; nocase; distance:0; classtype:social-engineering; sid:2021256; rev:4; metadata:created_at 2015_06_11, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_17;)