alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT ClickFix Payload Delivery Page Observed"; flow:established,to_client; http.response_body; content:"This|20|is|20|the|20|Windows|20|key|2c 20|located|20|at|20|the|20|bottom|20|of|20|your|20|keyboard|20|between|20|Ctrl|20|and|20|Alt|2c 20|under|20|the|20|Z|20|key"; classtype:exploit-kit; sid:2066515; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2025_12_31, deployment Perimeter, deployment SSLDecrypt, malware_family ClickFix, confidence High, signature_severity Major, tag Exploit_Kit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_12_31, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1189, mitre_technique_name Drive_by_Compromise; target:dest_ip;)