ET MALWARE Linux/MayhemBruter Inbound Ping From CnC

Query · suricata

flow:established,to_server;
http.uri;
content:"/wp-content/plugins/";
content:"/libso"; distance:0;
pcre:"/\/libso\d{1,4}\.php\?id=[a-zA-Z0-9]+$/";
Raw source ET MALWARE Linux/MayhemBruter Inbound Ping From CnC · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Linux/MayhemBruter Inbound Ping From CnC";
    flow:established,to_server;
    http.uri;
    content:"/wp-content/plugins/";
    content:"/libso"; distance:0;
    pcre:"/\/libso\d{1,4}\.php\?id=[a-zA-Z0-9]+$/";
    reference:url,www.kernelmode.info/forum/viewtopic.php?f=16&t=3405&p=27363;
    classtype:command-and-control;
    sid:2022224; rev:3;
    metadata:created_at 2015_12_07, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_06_09;
)

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