Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Suspected TA453 Related Domain in DNS Lookup (metasecurityemail .org)"; dns.query; dotprefix; content:".MetaSecurityEmail.org"; nocase; endswith; reference:url,filter.watch/en/wp-content/uploads/sites/2/2023/11/Hacker-Watch-Jan-Nov-2023.pdf; reference:url,twitter.com/filterbaan; classtype:domain-c2; sid:2049453; rev:2; metadata:attack_target Client_Endpoint, created_at 2023_12_04, deployment Perimeter, deprecation_reason Age, performance_impact Low, confidence Low, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_04, reviewed_at 2024_03_04; target:src_ip;)