Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE DinodasRAT Related CnC Domain in DNS Lookup (update .microsoft-settings .com)"; dns.query; bsize:29; content:"update.microsoft-settings.com"; nocase; reference:md5,a7c2e87e9f947afdfe9e6a18f5e7c17b; reference:url,securelist.com/dinodasrat-linux-implant/112284/; classtype:domain-c2; sid:2051838; 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;)