alert dns $HOME_NET any -> any any (msg:"ET MALWARE Kimsuky CnC Domain (lifehelper .kr) in DNS Lookup"; dns.query; content:"lifehelper.kr"; nocase; bsize:13; reference:url,asec.ahnlab.com/en/45658/; classtype:domain-c2; sid:2043370; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_01_19, deployment Perimeter, malware_family Kimsuky, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_09_30, reviewed_at 2024_09_30;)