ET RETIRED Bifrose Client Checkin

Query · suricata

flow:established,to_server;
content:"|00 00 99 4F B9 74 E2 75 94 0A 5A|"; offset:2; depth:11;
Raw source ET RETIRED Bifrose Client Checkin · 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 any (
    msg:"ET RETIRED Bifrose Client Checkin";
    flow:established,to_server;
    content:"|00 00 99 4F B9 74 E2 75 94 0A 5A|"; offset:2; depth:11;
    classtype:command-and-control;
    sid:2013338; rev:3;
    metadata:created_at 2011_08_02, former_category MALWARE, confidence Medium, signature_severity Major, updated_at 2024_12_03;
)

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