ET INFO Anonymous Domain Registrar CnC Domain in DNS Lookup (*. njalla .net)

Query · suricata

dns.query; dotprefix;
content:".njalla.net"; nocase; endswith;
Raw source ET INFO Anonymous Domain Registrar CnC Domain in DNS Lookup (*. njalla .net) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
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;
)

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