alert dns $HOME_NET any -> any any (msg:"ET MALWARE Win32/PurpleFox Related Domain in DNS Lookup"; dns.query; content:"oip.xioerabn.site"; nocase; bsize:17; reference:md5,57b8bccf9cb8592ae86b4453cf74b4e8; classtype:domain-c2; sid:2035384; rev:1; metadata:attack_target Client_and_Server, created_at 2022_03_03, deployment Perimeter, malware_family Win32_PurpleFox, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_03;)