ET MALWARE APT DNSpionage/Karkoff CnC Domain in DNS Lookup

Query · suricata

threshold:type limit, count 1, track by_src, seconds 120;
dns.query;
content:"coldfart.com"; nocase; endswith;
Raw source ET MALWARE APT DNSpionage/Karkoff CnC Domain in DNS Lookup · 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 MALWARE APT DNSpionage/Karkoff CnC Domain in DNS Lookup";
    threshold:type limit, count 1, track by_src, seconds 120;
    dns.query;
    content:"coldfart.com"; nocase; endswith;
    reference:url,blog.talosintelligence.com/2019/04/dnspionage-brings-out-karkoff.html;
    classtype:targeted-activity;
    sid:2027280; rev:4;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, created_at 2019_04_24, deployment Perimeter, malware_family Karkoff, performance_impact Low, confidence High, signature_severity Major, tag APT34, updated_at 2020_09_17;
)

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