alert dns $HOME_NET any -> any any (msg:"ET MALWARE Etherhiding Domain in DNS Lookup (metrics-onclick .com)"; dns.query; bsize:19; content:"metrics-onclick.com"; nocase; classtype:trojan-activity; sid:2071906; rev:1; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2026_09_02, deployment Perimeter, malware_family Etherhiding, performance_impact Low, confidence High, signature_severity Major, updated_at 2026_09_02, mitre_tactic_id TA0037, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)