Versions (2)
Version DetailsCurrent
Rev: 1 • Sep 8, 2025, 12:00 PMET INFO Anonymous Domain Registrar CnC Domain in DNS Lookup (*. njalla .net)
alert dns $HOME_NET any -> any any (msg:"ET INFO Anonymous Domain Registrar CnC Domain in DNS Lookup (*. njalla .net)"; dns.query; dotprefix; content:".njalla.net"; nocase; endswith; reference:url,njal.la/about/; classtype:misc-activity; sid:2064491; rev:1; metadata:attack_target Client_and_Server, created_at 2025_09_08, deployment Perimeter, performance_impact Low, confidence Low, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_09_08, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1665, mitre_technique_name Hide_Infrastructure;)
Sep 8, 2025, 12:00 PM
Sep 8, 2025, 12:00 PM
Sep 8, 2025, 9:34 PM
Sep 9, 2025, 9:34 PM
rules/emerging-info.rules