alert dns $HOME_NET any -> any any (msg:"ET INFO File Sharing Domain (d .kuku .lu) in DNS Lookup"; dns.query; bsize:9; content:"d.kuku.lu"; nocase; classtype:misc-activity; sid:2052952; rev:1; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2024_05_29, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2024_05_29, reviewed_at 2024_10_04;)