alert dns $HOME_NET any -> any any (msg:"ET MALWARE SocGholish Domain in DNS Lookup (training .defcon1 .us)"; dns.query; bsize:19; content:"training.defcon1.us"; nocase; reference:url,community.emergingthreats.net/t/et-socgholish-rules-response-guidance/335; classtype:trojan-activity; sid:2045819; rev:2; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2023_05_22, deployment Perimeter, deprecation_reason Age, malware_family SocGholish, performance_impact Low, confidence High, signature_severity Major, tag compromised_website, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_08_31, reviewed_at 2023_08_31;)