alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING CoGUI Landing Page 2026-07-24"; flow:established,to_server; http.method; content:"GET"; http.uri; bsize:8; content:"/y1.html"; fast_pattern; http.host; content:".cfd"; endswith; reference:url,urlscan.io/result/019f9182-4027-7212-bf4a-6b2d4b9bd326/; classtype:social-engineering; sid:2071291; rev:1; metadata:attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_07_24, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Critical, tag Phishing, tag CoGUI, updated_at 2026_07_24, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)