Rule History

alert dns $HOME_NET any -> any any (msg:"ET HUNTING Observed DNS Query for OpenNIC Alternative DNS TLD (.libre)"; dns.query; content:".libre"; nocase; endswith; reference:url,wiki.opennic.org/opennic/dot; classtype:bad-unknown; sid:2029958; rev:2; metadata:attack_target Client_Endpoint, created_at 2020_04_20, deployment Perimeter, confidence High, signature_severity Informational, updated_at 2020_11_16;)