alert http $EXTERNAL_NET any -> $HOME_NET any (
msg:"ET PHISHING Generic Encoded Phishing Landing 2021-03-10";
flow:to_client,established;
file.data;
content:"############################"; within:200;
content:"### THIS WEBPAGE WAS PROTECTED AT|3a|"; fast_pattern; distance:0;
content:"############################"; distance:0;
classtype:social-engineering;
sid:2031922; rev:2;
metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2021_03_10, deployment Perimeter, confidence Medium, signature_severity Minor, tag Phishing, updated_at 2021_03_10;
)