Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE DNS Query to Kryptic Fake App Domain (cctvv2023 .9hlw .com)"; dns.query; bsize:18; content:"cctvv2023.9hlw.com"; nocase; reference:md5,c8e6cd1fb6f5dfe1ab548024a7f67043; classtype:trojan-activity; sid:2054583; rev:2; metadata:attack_target Client_Endpoint, created_at 2024_07_18, deployment Perimeter, deprecation_reason Age, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_04_15, reviewed_at 2025_04_15;)