Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE DinodasRAT Related CnC Domain in DNS Lookup (update .centos-yum .com)"; dns.query; bsize:21; content:"update.centos-yum.com"; nocase; reference:md5,8138f1af1dc51cde924aa2360f12d650; reference:url,securelist.com/dinodasrat-linux-implant/112284/; classtype:domain-c2; sid:2051837; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_03_28, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_28, reviewed_at 2024_04_30;)