alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Fake AV Phone Scam Landing June 11 2015 M1"; flow:established,to_client; http.stat_code; content:"200"; http.content_type; content:"text/html"; startswith; file.data; content:"<title>*** Security Error Code 0x80070424</title>"; fast_pattern; nocase; classtype:social-engineering; sid:2021255; rev:5; metadata:created_at 2015_06_11, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_01;)