alert dns $HOME_NET any -> any any (msg:"ET MALWARE BitterAPT CnC Domain in DNS Lookup (goalvaidclub .com)"; dns.query; dotprefix; content:".goalvaidclub.com"; nocase; endswith; reference:url,www.ctfiot.com/219079.html; reference:url,x.com/ViriBack/status/1937465516873887999; classtype:domain-c2; sid:2063237; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2025_06_30, deployment Perimeter, malware_family KugelBlitz, malware_family Kiwi2_0, performance_impact Low, confidence High, signature_severity Major, tag BitterAPT, tag APT_C_08, updated_at 2025_06_30, mitre_tactic_id TA0037, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)