ET MALWARE ELF/Samba CnC Checkin

Query · suricata

flow:established,to_server;
dsize:8;
content:"|11 10 10 01 22 32 21 52|"; fast_pattern;
Raw source ET MALWARE ELF/Samba 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 27 (
    msg:"ET MALWARE ELF/Samba CnC Checkin";
    flow:established,to_server;
    dsize:8;
    content:"|11 10 10 01 22 32 21 52|"; fast_pattern;
    reference:url,www.guardicore.com/2018/11/butter-brute-force-ssh-attack-tool-evolution;
    classtype:command-and-control;
    sid:2026717; rev:1;
    metadata:affected_product Linux, attack_target Client_Endpoint, created_at 2018_12_10, deployment Perimeter, malware_family Samba, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2019_07_26;
)

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