ET MALWARE ELF/Emptiness v1.1 CnC Checkin

Query · suricata

flow:established,to_server;
dsize:12;
content:"aWxvdmUyNg=="; depth:12; fast_pattern; endswith;
Raw source ET MALWARE ELF/Emptiness v1.1 CnC 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 MALWARE ELF/Emptiness v1.1 CnC Checkin";
    flow:established,to_server;
    dsize:12;
    content:"aWxvdmUyNg=="; depth:12; fast_pattern; endswith;
    reference:url,blog.netlab.360.com/emptiness-a-new-evolving-botnet/;
    classtype:command-and-control;
    sid:2027835; rev:2;
    metadata:affected_product Linux, created_at 2019_08_09, deployment Perimeter, malware_family Emptiness, performance_impact Low, confidence High, signature_severity Major, tag DDoS, updated_at 2019_09_28;
)

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