Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE CN Based APT Related Domain in DNS Lookup (open .zerdeopen .top)"; dns.query; content:"open.zerdeopen.top"; nocase; bsize:18; reference:url,twitter.com/nao_sec/status/1539246761067573249; reference:md5,d041af5d7abaa1e50ad59f1f0206b398; reference:url,www.sentinelone.com/labs/targets-of-interest-russian-organizations-increasingly-under-attack-by-chinese-apts/; classtype:domain-c2; sid:2037078; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_06_22, deployment Perimeter, malware_family TontoTeam, malware_family TA459, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_06_22;)