alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET PHISHING Microsoft Support Phish Landing Page 2025-12-09"; flow:established,to_client; http.stat_code; content:"200"; http.response_body; content:"new XMLHttpRequest"; distance:0; content:"ip"; distance:0; content:"city"; distance:0; content:"country"; distance:0; content:"isp"; distance:0; content:"open|28 22|GET|22|"; distance:0; content:"window.location.href"; distance:0; content:"call us"; nocase; distance:0; content:"access to this system is blocked for security reasons"; nocase; distance:0; content:"please contact us immediately. our engineer will guide you through the removal process over the phone"; fast_pattern; nocase; distance:0; reference:url,urlscan.io/result/91b0c231-669e-4709-aa92-a12dd49a1e49/#transactions; classtype:credential-theft; sid:2066229; rev:1; metadata:attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2025_12_09, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag Phishing, updated_at 2025_12_09, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)