alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE APT CozyCar SSL Cert 5"; flow:established,from_server; tls.cert_subject; content:"extranet.qualityplanning.com"; fast_pattern; reference:url,researchcenter.paloaltonetworks.com/2015/07/tracking-minidionis-cozycars-new-ride-is-related-to-seaduke/; classtype:targeted-activity; sid:2021422; rev:3; metadata:attack_target Client_Endpoint, created_at 2015_07_15, deployment Perimeter, confidence High, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2022_03_28;)