alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET PHISHING Possible HMRC Phishing Domain 2016-06-08";
flow:to_server,established;
threshold:type limit, count 1, track by_src, seconds 30;
http.method;
content:"GET";
http.host;
content:"online.hmrc.gov.uk"; fast_pattern;
isdataat:20,relative;
classtype:social-engineering;
sid:2032387; rev:5;
metadata:attack_target Client_Endpoint, created_at 2016_06_08, deployment Perimeter, confidence Medium, signature_severity Major, tag Phishing, updated_at 2020_08_17;
)