alert dns $HOME_NET any -> any any (msg:"ET INFO RustDesk Domain in DNS Lookup"; dns.query; dotprefix; content:".rustdesk.com"; nocase; endswith; reference:url,rustdesk.com/; classtype:misc-activity; sid:2043343; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_01_19, deployment Perimeter, confidence High, signature_severity Informational, updated_at 2023_01_19;)