Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE OSX/OceanLotus.D CnC DNS Lookup (ssl .arkouthrie .com)"; dns.query; content:"ssl.arkouthrie.com"; nocase; endswith; reference:url,blog.trendmicro.com/trendlabs-security-intelligence/new-macos-backdoor-linked-to-oceanlotus-found/; classtype:command-and-control; sid:2025466; rev:3; metadata:affected_product Mac_OSX, attack_target Client_Endpoint, created_at 2018_04_05, deployment Perimeter, malware_family OceanLotus, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_16;)