alert dns $HOME_NET any -> any any (msg:"ET DNS Query for .to TLD"; dns.query; content:".to"; endswith; fast_pattern; classtype:bad-unknown; sid:2027757; rev:5; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2019_07_26, deployment Perimeter, confidence High, signature_severity Informational, updated_at 2020_09_17;)