alert dns $HOME_NET any -> any any (msg:"ET MALWARE ClearFake CnC Domain in DNS Lookup (cdnforfiles .xyz)"; dns.query; dotprefix; content:".cdnforfiles.xyz"; nocase; endswith; classtype:trojan-activity; sid:2052859; rev:1; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2024_05_22, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, tag Exploit_Kit, tag ClearFake, tag compromised_website, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_05_23;)