alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE BitcoinMiner C2 SSL Cert"; flow:established,to_client; tls.cert_subject; content:"CN=www.webanalyticsystem.com"; reference:url,www.malware-traffic-analysis.net/2014/07/28/index.html; classtype:coin-mining; sid:2018896; rev:3; metadata:attack_target Client_Endpoint, created_at 2014_08_05, deployment Perimeter, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag Coinminer, updated_at 2024_04_23, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1496, mitre_technique_name Resource_Hijacking;)