alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Possible Sparkasse Phishing Domain 2021-04-05"; flow:to_server,established; threshold:type limit, count 1, track by_src, seconds 30; http.method; content:"GET"; http.host; content:"sparkasse.de"; fast_pattern; endswith; classtype:social-engineering; sid:2032469; rev:2; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2021_04_05, deployment Perimeter, confidence Medium, signature_severity Minor, tag Phishing, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_04;)