alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Backdoor.Elise SSL Cert"; flow:established,to_client; tls.cert_subject; content:"CN=eric-office"; reference:md5,8334f346585aa27ac6ae86e5adcaefa2; reference:url,github.com/pan-unit42/iocs/tree/master/lotusblossom; classtype:trojan-activity; sid:2021279; rev:3; metadata:attack_target Client_Endpoint, created_at 2015_06_16, deployment Perimeter, confidence High, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2024_04_23;)