alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Fake Updates Victim Click Confirmation Javascript Observed"; flow:established,to_client; http.response_body; content:"function sendStat(action)"; content:"|28 21|clientIP|29|"; distance:0; content:"JSON|2e|stringify|28 7b 20|ip|3a 20|clientIP|20 7d 29|"; fast_pattern; classtype:trojan-activity; sid:2069667; rev:1; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_06_05, deployment Perimeter, deployment SSLDecrypt, confidence Medium, signature_severity Major, updated_at 2026_06_05, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1189, mitre_technique_name Drive_by_Compromise; target:dest_ip;)