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;
)