alert dns $HOME_NET any -> any any (msg:"ET MALWARE DNS Query to Winnti Domain (linuxrelease .org)"; dns.query; dotprefix; content:".linuxrelease.org"; nocase; endswith; reference:url,twitter.com/naumovax/status/1792902386295394629; classtype:trojan-activity; sid:2052802; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_05_21, deployment Perimeter, malware_family Winnti, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_05_21;)