alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET PHISHING Anonisma Phishing CSS 2015-12-01"; flow:established,to_client; http.content_type; content:"text/css"; startswith; file.data; content:"|2e|Anonisma"; fast_pattern; nocase; classtype:social-engineering; sid:2031791; rev:4; metadata:attack_target Client_Endpoint, created_at 2015_12_01, deployment Perimeter, confidence Medium, signature_severity Major, tag Phishing, updated_at 2020_08_13;)