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;)