alert dns $HOME_NET any -> any any (msg:"ET MALWARE Digit Stealer CnC Domain in DNS Lookup (theinvestcofund .com)"; dns.query; dotprefix; content:".theinvestcofund.com"; nocase; endswith; reference:url,cyberandramen.net/2026/02/16/tracking-digitstealer-how-operator-patterns-exposed-c2-infrastructure/; classtype:domain-c2; sid:2067783; rev:1; metadata:affected_product Mac_OSX, attack_target Client_Endpoint, created_at 2026_02_17, deployment Perimeter, malware_family Digit_Stealer, performance_impact Low, confidence High, signature_severity Major, updated_at 2026_02_17, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)