Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Observed DNS Query to DarkCrystal Rat Domain (datagroup .ddns .net) (2022-06-27)"; dns.query; content:"datagroup.ddns.net"; nocase; bsize:18; reference:url,cert.gov.ua/article/405538; classtype:command-and-control; sid:2037130; rev:2; metadata:created_at 2022_06_27, malware_family DarkCrystal, confidence High, signature_severity Major, tag RAT, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_08_01;)