Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Cobalt Strike Related Domain in DNS Lookup (koltary .com)"; dns.query; content:"koltary.com"; nocase; bsize:11; reference:md5,91cde71b55ae86e9d64f4ea2c233790f; classtype:domain-c2; sid:2034737; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_12_15, deployment Perimeter, malware_family Cobalt_Strike, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_12_15;)