alert dns $HOME_NET any -> any any (msg:"ET INFO PacketCrypt Mining Pool in DNS Lookup (pkt .world)"; dns.query; dotprefix; content:".pkt.world"; nocase; endswith; reference:url,isc.sans.edu/diary/31564; classtype:coin-mining; sid:2059028; rev:1; metadata:affected_product Any, attack_target Client_and_Server, created_at 2025_01_07, deployment Perimeter, malware_family CoinMiner, performance_impact Low, confidence High, signature_severity Informational, tag Coinminer, updated_at 2025_01_07, mitre_tactic_id TA0042, mitre_tactic_name Resource_Development, mitre_technique_id T1583, mitre_technique_name Acquire_Infrastructure;)