alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Observed Malicious SSL Cert (Charming Kitten Phishing Domain)"; flow:established,to_client; tls.cert_subject; content:"skynevvs.com"; fast_pattern; reference:url,blog.certfa.com/posts/fake-interview-the-new-activity-of-charming-kitten/; classtype:domain-c2; sid:2029367; rev:3; metadata:affected_product Web_Browsers, attack_target Client_and_Server, created_at 2020_02_05, deployment Perimeter, former_category WEB_CLIENT, 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;)