Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE GammaDrop CnC Domain in DNS Lookup (cod-identification-imported-carl .trycloudflare .com)"; dns.query; dotprefix; content:".cod-identification-imported-carl.trycloudflare.com"; nocase; endswith; reference:url,go.recordedfuture.com/hubfs/reports/cta-ru-2024-1205.pdf; classtype:command-and-control; sid:2058982; rev:1; metadata:attack_target Client_Endpoint, created_at 2025_01_06, deployment Perimeter, malware_family GammaDrop, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_01_06;)