alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO DYNAMIC_DNS HTTP Request to a *.mov Domain"; flow:established,to_server; http.host; content:".mov"; endswith; reference:url,www.registry.google/announcements/launch-details-for-eight-new-tlds/; classtype:bad-unknown; sid:2045976; rev:1; metadata:attack_target Client_and_Server, created_at 2023_05_31, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2023_05_31, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1568, mitre_technique_name Dynamic_Resolution;)