alert dns $HOME_NET any -> any any (msg:"ET MALWARE Win32/Ramsay CnC Domain in DNS Query"; dns.query; content:"service-security-manager.com"; nocase; endswith; reference:url,github.com/eset/malware-ioc/blob/master/ramsay/samples.sha256; classtype:domain-c2; sid:2030178; rev:2; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2020_05_18, deployment Perimeter, malware_family Ramsay, confidence High, signature_severity Major, updated_at 2020_05_18;)