Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE NIGHTSCOUT Malware CnC Domain in DNS Lookup (q. cloudistcdn .com)"; dns.query; content:"q.cloudistcdn.com"; nocase; bsize:17; reference:url,www.welivesecurity.com/2021/02/01/operation-nightscout-supply-chain-attack-online-gaming-asia/; classtype:domain-c2; sid:2031597; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_02_01, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_02_01;)