ET MALWARE Qarallax RAT Keepalive C2 (set)

Query · suricata

flow:to_server,established;
content:"|00 00 09 00 00 00 00 00 00 00|"; depth:10;
threshold:type both, track by_src, count 5, seconds 30;
flowbits:set,ET.qarallax;
flowbits:noalert;

Rule dependencies

Feeds into

Raw source ET MALWARE Qarallax RAT Keepalive C2 (set) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $HOME_NET any -> $EXTERNAL_NET 1714 (
    msg:"ET MALWARE Qarallax RAT Keepalive C2 (set)";
    flow:to_server,established;
    content:"|00 00 09 00 00 00 00 00 00 00|"; depth:10;
    threshold:type both, track by_src, count 5, seconds 30;
    flowbits:set,ET.qarallax;
    flowbits:noalert;
    reference:md5,cf178c55c0572d8fea89137c62afdc98;
    reference:url,labsblog.f-secure.com/2016/06/07/qarallax-rat-spying-on-us-visa-applicants/;
    classtype:command-and-control;
    sid:2022882; rev:1;
    metadata:created_at 2016_06_08, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

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