alert dns $HOME_NET any -> any any (msg:"ET MALWARE Qadars CnC DNS Lookup (bst2bgxin81a.org)"; dns_query; content:"bst2bgxin81a.org"; depth:16; fast_pattern; endswith; nocase; classtype:command-and-control; sid:2023893; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_02_13, deployment Perimeter, malware_family Qadars, confidence Medium, signature_severity Major, updated_at 2019_09_28;)