ET MALWARE Linux/Agent.HX CnC Activity M1

Query · suricata

flow:established,to_server;
flowbits:isset,ET.LinuxAgent.HX;
flowbits:unset,ET.LinuxAgent.HX;
dsize:9;
content:"beatHeart"; fast_pattern;

Rule dependencies

⚠ Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

Raw source ET MALWARE Linux/Agent.HX CnC Activity M1 · 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 1024: (
    msg:"ET MALWARE Linux/Agent.HX CnC Activity M1";
    flow:established,to_server;
    flowbits:isset,ET.LinuxAgent.HX;
    flowbits:unset,ET.LinuxAgent.HX;
    dsize:9;
    content:"beatHeart"; fast_pattern;
    reference:md5,3176bee52ecd305816b17fdb9db7335e;
    reference:url,twitter.com/michalmalik/status/1245347696065630210;
    classtype:command-and-control;
    sid:2029786; rev:1;
    metadata:affected_product Linux, attack_target Client_Endpoint, created_at 2020_04_01, deployment Perimeter, confidence High, signature_severity Major, updated_at 2020_04_01;
)

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