ET MALWARE FrameworkPOS Covert DNS CnC Initial Check In

Query · suricata

dns.query;
content:".grp"; nocase; offset:8; depth:4;
content:".ping.adm"; fast_pattern; within:15;
Raw source ET MALWARE FrameworkPOS Covert DNS CnC Initial Check In · 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 MALWARE FrameworkPOS Covert DNS CnC Initial Check In";
    dns.query;
    content:".grp"; nocase; offset:8; depth:4;
    content:".ping.adm"; fast_pattern; within:15;
    reference:url,threatstream.com/blog/three-month-frameworkpos-malware-campaign-nabs-43000-credits-cards-from-point-of-sale-systems;
    reference:md5,591e820591e10500fe939d6bd50e6776;
    classtype:command-and-control;
    sid:2022559; rev:4;
    metadata:created_at 2016_02_23, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_01;
)

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