alert dns $HOME_NET any -> any any (msg:"ET MALWARE PoetRAT CnC Domain in DNS Lookup"; dns.query; content:"volt220.kozow.com"; nocase; bsize:17; reference:url,twitter.com/ShadowChasing1/status/1314847032155074562; classtype:domain-c2; sid:2031007; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_10_13, deployment Perimeter, malware_family PoetRat, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_11_19;)