alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Playful Taurus Domain in TLS SNI (proxy .oracleapps .org)"; flow:established,to_server; tls.sni; bsize:20; content:"proxy.oracleapps.org"; fast_pattern; reference:url,www.bitdefender.com/files/News/CaseStudies/study/426/Bitdefender-PR-Whitepaper-BackdoorDiplomacy-creat6507-en-EN.pdf; classtype:trojan-activity; sid:2046790; rev:2; metadata:attack_target Client_Endpoint, created_at 2023_07_10, deployment Perimeter, malware_family PlayfulTaurus, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_09_19, reviewed_at 2023_09_19, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)