alert dns $HOME_NET any -> any any (msg:"ET RETIRED Khepri CnC Domain in DNS Lookup (securecrt .vip)"; dns.query; dotprefix; content:".securecrt.vip"; nocase; endswith; reference:url,www.jamf.com/blog/jtl-malware-pirated-applications/; classtype:domain-c2; sid:2050239; rev:2; metadata:affected_product Mac_OSX, attack_target Client_Endpoint, created_at 2024_01_19, deployment Perimeter, former_category MALWARE, performance_impact Low, confidence High, signature_severity Major, updated_at 2025_04_17, reviewed_at 2025_04_17;)