Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Chinese Based APT Related Domain in DNS Lookup (ramblercloud .com)"; dns.query; content:"ramblercloud.com"; nocase; bsize:16; reference:md5,1d65ef16d1f161ae3faa5ed7896734cd; reference:url,www.ptsecurity.com/ww-en/analytics/pt-esc-threat-intelligence/apt31-cloud-attacks/; classtype:domain-c2; sid:2038752; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_09_07, deployment Perimeter, malware_family TontoTeam, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_09_07;)