alert dns $HOME_NET any -> any any (msg:"ET TROJAN PolyglotDuke? Domain Observed"; dns_query; content:"mavin21c.dothome.co.kr"; nocase; isdataat:!1,relative; reference:url,www.welivesecurity.com/wp-content/uploads/2019/10/ESET_Operation_Ghost_Dukes.pdf; classtype:trojan-activity; sid:2028848; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, signature_severity Major, created_at 2019_10_17, updated_at 2019_10_17;)

Added 2019-10-17 20:10:50 UTC