Rule History

alert dns $HOME_NET any -> any any (msg:"ET INFO DNS Query for Port Mapping/Tunneling Service Domain (.portmap .host)"; dns.query; content:".portmap.host"; nocase; endswith; reference:url,portmap.io; classtype:misc-activity; sid:2047872; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_09_01, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Informational, updated_at 2023_09_01, reviewed_at 2023_09_01;)