alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Possible Dyre SSL Cert Sept 16 2014"; flow:established,to_client; tls.cert_serial; content:"00:E8:66:93:12:61:52:BA:B4"; fast_pattern; tls.cert_subject; content:"CN=Zatusim.com"; reference:md5,2f52d3921613b2fe06c9eb9051d45e60; classtype:trojan-activity; sid:2019186; rev:5; metadata:attack_target Client_Endpoint, created_at 2014_09_16, deployment Perimeter, confidence Medium, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2024_04_12;)