alert dns $HOME_NET any -> any any (msg:"ET MALWARE TA444 Domain in DNS Lookup (hoststudio .org)"; dns.query; dotprefix; content:".hoststudio.org"; nocase; endswith; reference:url,twitter.com/birchb0y/status/1608290102622711808; classtype:domain-c2; sid:2043154; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_12_30, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_12_30;)