alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Possible Upatre SSL Cert www.eshaalfoundation.org"; flow:established,to_client; tls.cert_serial; content:"00:C2:06:49:5E:75:FB:3F:44"; fast_pattern; tls.cert_subject; content:"CN=www.eshaalfoundation.org"; reference:md5,e36073ba13e2df22348cd624ab0a9fbc; classtype:trojan-activity; sid:2020624; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2015_03_06, 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;)