alert dns $HOME_NET any -> any any (msg:"ET MALWARE Magecart CnC Domain Observed in DNS Query"; dns.query; content:"cdnapis.com"; nocase; endswith; depth:11; reference:url,www.riskiq.com/blog/labs/magecart-reused-domains/?utm_campaign=magecart-reused-domains; classtype:domain-c2; sid:2028605; rev:4; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2019_09_19, deployment Perimeter, malware_family MageCart, confidence High, signature_severity Major, updated_at 2020_11_17;)