alert dns $HOME_NET any -> any any (msg:"ET MALWARE DonotGroup/Patchwork CnC DNS Lookup"; dns.query; content:"frameworksupport.net"; nocase; endswith; reference:url,unit42.paloaltonetworks.com/multiple-artradownloader-variants-used-by-bitter-to-target-pakistan/; classtype:command-and-control; sid:2026984; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_02_26, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag DonotGroup, updated_at 2020_09_16;)