alert dns $HOME_NET any -> any any (msg:"ET MALWARE JokerSpy Domain in DNS Lookup (git-hub .me)"; dns.query; dotprefix; content:".git-hub.me"; nocase; endswith; reference:url,www.bitdefender.com/blog/labs/fragments-of-cross-platform-backdoor-hint-at-larger-mac-os-attack/; classtype:domain-c2; sid:2046709; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_06_30, deployment Perimeter, malware_family JokerSpy, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_06_30;)