alert dns $HOME_NET any -> any any (msg:"ET MALWARE DonotGroup APT DNS Lookup (bulk .fun)"; dns.query; content:"bulk.fun"; nocase; endswith; classtype:targeted-activity; sid:2034146; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Android, created_at 2019_05_23, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag APT, tag DonotGroup, updated_at 2020_09_17;)