alert dns $HOME_NET any -> any any (msg:"ET MALWARE TA444 Domain in DNS Lookup"; dns.query; dotprefix; content:".mufg.us.org"; nocase; endswith; classtype:trojan-activity; sid:2039042; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_09_29, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_09_29;)