ET POLICY DNS Query for Observed CVE-2021-44228 Security Scanner Domain (dns .cyberwar .nl)

Query · suricata

dns.query; dotprefix;
content:".dns.cyberwar.nl"; nocase; endswith;
Raw source ET POLICY DNS Query for Observed CVE-2021-44228 Security Scanner Domain (dns .cyberwar .nl) · 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 POLICY DNS Query for Observed CVE-2021-44228 Security Scanner Domain (dns .cyberwar .nl)";
    dns.query; dotprefix;
    content:".dns.cyberwar.nl"; nocase; endswith;
    reference:cve,2021-44228;
    classtype:policy-violation;
    sid:2034829; rev:1;
    metadata:attack_target Client_and_Server, created_at 2021_12_21, cve CVE_2021_44228, deployment Perimeter, confidence High, signature_severity Informational, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_12_21;
)

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