alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Observed Malicious SSL Cert (Coin-Hive In Browser Mining)"; flow:established,to_client; tls.cert_subject; content:"CN=*.coin-hive.com"; nocase; endswith; classtype:domain-c2; sid:2025536; rev:5; metadata:affected_product Any, attack_target Client_and_Server, created_at 2018_04_26, deployment Perimeter, former_category COINMINER, malware_family CoinMiner, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_07_04, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)