alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE MAGICHOUND.FETCH SSL Cert"; flow:established,to_client; tls.cert_subject; content:"CN=service.chrome-up.date"; reference:url,researchcenter.paloaltonetworks.com/2017/02/unit42-magic-hound-campaign-attacks-saudi-targets/; classtype:trojan-activity; sid:2023952; rev:3; metadata:attack_target Client_Endpoint, created_at 2017_02_16, deployment Perimeter, malware_family MAGICHOUND_related, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2024_04_23;)