ET INFO DYNAMIC_DNS Query to a *.383 .li domain

Query · suricata

dns.query;
content:".383.li"; endswith; fast_pattern; nocase;
Raw source ET INFO DYNAMIC_DNS Query to a *.383 .li domain · 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 DYNAMIC_DNS Query to a *.383 .li domain";
    dns.query;
    content:".383.li"; endswith; fast_pattern; nocase;
    reference:url,freedns.afraid.org/domain/registry/page-10.html;
    classtype:bad-unknown;
    sid:2067955; rev:1;
    metadata:attack_target Client_and_Server, created_at 2026_03_01, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_03_01, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1568, mitre_technique_name Dynamic_Resolution;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.