alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Observed Malicious SSL Cert (AZORult Cnc Server) 2019-09-27"; flow:established,to_client; tls.cert_subject; bsize:18; content:"CN=evershinebd.net"; fast_pattern; reference:md5,c93a2d16dd0cf8dd3afa5ecba111e7c4; reference:md5,23aff33025681263adcdcb480d0e9a95; classtype:domain-c2; sid:2028658; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2019_10_07, deployment Perimeter, malware_family AZORult, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_10_07, mitre_tactic_id TA0042, mitre_tactic_name Resource_Development, mitre_technique_id T1587, mitre_technique_name Develop_Capabilities;)