alert dns $HOME_NET any -> any any (msg:"ET MALWARE Reaper (APT37) DNS Lookup (kmbr1 .nitesbr1 .org)"; dns.query; content:"kmbr1.nitesbr1.org"; nocase; fast_pattern; endswith; reference:url,researchcenter.paloaltonetworks.com/2018/10/unit42-nokki-almost-ties-the-knot-with-dogcall-reaper-group-uses-new-malware-to-deploy-rat/; reference:md5,0f1d3ed85fee2acc23a8a26e0dc12e0f; reference:md5,a2fe5dcb08ae8b72e8bc98ddc0b918e7; classtype:targeted-activity; sid:2026432; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_10_01, deployment Perimeter, malware_family Final1stspy, malware_family DOGCALL, performance_impact Low, confidence Medium, signature_severity Major, tag APT37, tag Reaper, updated_at 2020_09_16;)