Rule History

alert dns $HOME_NET any -> any any (msg:"ET INFO URL Shortening Service Domain in DNS Lookup (s59 .site)"; dns.query; content:"s59.site"; endswith; fast_pattern; classtype:misc-activity; sid:2035870; rev:5; metadata:attack_target Client_Endpoint, created_at 2022_04_07, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2024_04_19, reviewed_at 2025_07_14;)