alert dns $HOME_NET any -> any any (msg:"ET MALWARE ContEXE Stealer CnC Domain in DNS Lookup (safydomainredyr .info)"; dns.query; dotprefix; content:".safydomainredyr.info"; nocase; endswith; reference:md5,9c1d8a309c1ef2d781c5503cfcd96f53; reference:md5,ccfcb42c83ff8315662d54c560a2c8e2; classtype:domain-c2; sid:2072366; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2026_10_05, deployment Perimeter, malware_family ContEXE_Stealer, performance_impact Low, confidence High, signature_severity Major, tag Stealer, updated_at 2026_10_05, mitre_tactic_id TA0009, mitre_tactic_name Collection, mitre_technique_id T1005, mitre_technique_name Data_from_local_system;)