alert dns $HOME_NET any -> any any (msg:"ET MALWARE TA569 Domain in DNS Lookup (ergpractice .com)"; dns.query; content:"ergpractice.com"; nocase; bsize:15; classtype:trojan-activity; sid:2041783; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_12_05, deployment Perimeter, deprecation_reason Age, malware_family TA569, confidence High, signature_severity Major, tag compromised_website, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_01_05;)