alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Possible Upatre SSL Cert Oct 24 2014"; flow:established,to_client; tls.cert_serial; content:"00:E6:91:76:A5:11:CA:47:2D"; fast_pattern; tls.cert_subject; content:"OU="; content:"none"; content:"ST="; content:"Someprovince"; reference:md5,35f6b510f94bd96ed9bc44e1f7bf7f38; classtype:trojan-activity; sid:2019506; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2014_10_24, deployment Perimeter, malware_family Upatre, confidence Medium, signature_severity Critical, tag SSL_Malicious_Cert, tag Exploit_Kit, tag Downloader, tag Upatre, updated_at 2024_04_12;)