alert dns $HOME_NET any -> any any (msg:"ET MALWARE APT12 THREEBYTE DNS Lookup"; dns.query; content:"bsksac.au-syd.mybluemix.net"; depth:27; nocase; endswith; fast_pattern; reference:url,blog.macnica.net/blog/2017/08/post-fb81.html; classtype:targeted-activity; sid:2024619; rev:5; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_08_29, deployment Perimeter, malware_family THREEBYTE, performance_impact Low, confidence Medium, signature_severity Major, tag APT, tag APT12, updated_at 2020_09_17;)