alert dns $HOME_NET any -> any any (msg:"ET INFO DNS Query Domain .bit"; dns.query; content:".bit"; nocase; endswith; reference:url,www.normanshark.com/blog/necurs-cc-domains-non-censorable/; classtype:bad-unknown; sid:2017645; rev:5; metadata:created_at 2013_10_30, confidence High, signature_severity Informational, updated_at 2020_09_15, reviewed_at 2024_04_23;)