alert dns $HOME_NET any -> any any (msg:"ET MALWARE Malicious BOINC Server CnC Domain in DNS Lookup (rosetta .cn)"; dns.query; dotprefix; content:".rosetta.cn"; nocase; endswith; reference:url,trac-labs.com/dont-ghost-the-socgholish-ghostweaver-backdoor-574154dd9983; reference:url,www.huntress.com/blog/fake-browser-updates-lead-to-boinc-volunteer-computing-software; classtype:domain-c2; sid:2060646; rev:1; metadata:attack_target Client_Endpoint, created_at 2025_03_05, deployment Perimeter, confidence High, signature_severity Major, tag ta569, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_03_05, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol_DNS;)