alert dns $HOME_NET any -> any any (msg:"ET MALWARE Cytrox Predator Spyware Related Domain in DNS Lookup"; dns.query; dotprefix; content:".southchinapost.net"; nocase; endswith; reference:url,citizenlab.ca/2023/10/predator-spyware-targets-us-eu-lawmakers-journalists/; reference:url,blog.sekoia.io/active-lycantrox-infrastructure-illumination/; classtype:domain-c2; sid:2048534; rev:2; metadata:attack_target Client_Endpoint, created_at 2023_10_11, deployment Perimeter, deprecation_reason Relevance, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_11_10, reviewed_at 2023_11_10;)