alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET PHISHING Malicious SSL Certificate detected (Alibaba Phishing)"; flow:established,to_client; tls.cert_subject; content:"CN=krikam.net"; bsize:13; fast_pattern; reference:md5,cdbdc636cca7829fbea7211412eabbd8; classtype:credential-theft; sid:2037211; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_06_29, deployment Perimeter, deprecation_reason Relevance, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_12_11, reviewed_at 2024_12_11;)