alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET PHISHING [TW] Tycoon Phishkit CSS"; flow:established,to_client; http.stat_code; content:"200"; file.data; content:"body.start"; content:"background|2d|image|3a 20|url|28 27|https|3a 2f 2f|aadcdn|2e|msauth|2e|net|2f|"; distance:0; content:".firstlogo"; distance:0; content:".bannerlogo"; distance:0; content:"/assets/officelogo.png"; distance:0; fast_pattern; classtype:social-engineering; sid:2048386; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_10_03, deployment Perimeter, former_category PHISHING, signature_severity Major, tag Phishing, updated_at 2023_10_03, reviewed_at 2023_10_03, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)