alert dns $HOME_NET any -> any any (msg:"ET MALWARE TA446 Domain in DNS Lookup (cryptdatagate .com)"; dns.query; bsize:17; content:"cryptdatagate.com"; nocase; reference:url,github.com/Insikt-Group/Research/blob/master/BlueCharlie%2C%20Previously%20Tracked%20as%20TAG-53%2C%20Continues%20to%20Deploy%20New%20Infrastructure%20in%202023/BlueCharlie%2C%20Previously%20Tracked%20as%20TAG-53%2C%20Continues%20to%20Deploy%20New%20Infrastructure%20in%202023.csv; classtype:trojan-activity; sid:2047210; rev:2; metadata:attack_target Client_Endpoint, created_at 2023_08_09, deployment Perimeter, deprecation_reason Age, performance_impact Low, confidence High, signature_severity Major, tag TA446, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_09_14, reviewed_at 2023_09_14;)