alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Possible Upatre SSL Cert power2.mschosting.com"; flow:established,to_client; tls.cert_subject; content:"CN=power2.mschosting.com"; reference:md5,fb89ab865465d9bf38e24af73cdcd656; classtype:trojan-activity; sid:2018881; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2014_08_02, 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;)