alert dns $HOME_NET any -> any any (msg:"ET MALWARE NordDragonScan CnC Domain in DNS Lookup (kpuszkiev .com)"; dns.query; dotprefix; content:".kpuszkiev.com"; nocase; endswith; reference:url,www.fortinet.com/blog/threat-research/norddragonscan-quiet-data-harvester-on-windows; classtype:domain-c2; sid:2063347; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2025_07_08, deployment Perimeter, malware_family NordDragonScan, performance_impact Low, confidence High, signature_severity Major, updated_at 2025_07_08, mitre_tactic_id TA0037, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)