ET INFO Lockbit Ransomware Related Domain in DNS Lookup (decoding .at)

Query · suricata

dns.query;
content:"decoding.at"; nocase; bsize:11; fast_pattern;
Raw source ET INFO Lockbit Ransomware Related Domain in DNS Lookup (decoding .at) · Suricata
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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 Lockbit Ransomware Related Domain in DNS Lookup (decoding .at)";
    dns.query;
    content:"decoding.at"; nocase; bsize:11; fast_pattern;
    reference:url,unit42.paloaltonetworks.com/emerging-ransomware-groups/;
    classtype:bad-unknown;
    sid:2033860; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2021_09_01, deployment Perimeter, confidence High, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_09_01, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;
)

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