alert dns $HOME_NET any -> any any (msg:"ET MALWARE Observed DNS Query to TA444 Domain"; dns.query; dotprefix; content:".commoncome.site"; nocase; endswith; classtype:trojan-activity; sid:2047745; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_08_24, deployment Perimeter, confidence High, signature_severity Major, tag TA444, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_08_24, reviewed_at 2024_01_26, former_sid 2855176;)