Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Inception/CloudAtlas CnC Domain in DNS Lookup (ms-officeupdate .com)"; dns.query; content:"ms-officeupdate.com"; nocase; bsize:19; reference:url,www.domaintools.com/resources/blog/the-continuous-conundrum-of-cloud-atlas; classtype:domain-c2; sid:2031677; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_02_26, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_02_26;)