ET MALWARE ELF/lizkebab CnC Activity (Flooding 1)

Query · suricata

flow:established,to_server;
content:"|20|Flooding|20|"; fast_pattern;
content:"|20|for|20|";
content:"|20|seconds."; distance:0;
pcre:"/(?:JUNK|HOLD) Flooding (?:\d{1,3}\.){3}\d{1,3} for \d+ seconds.\r?\n/";
Raw source ET MALWARE ELF/lizkebab CnC Activity (Flooding 1) · 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/lizkebab CnC Activity (Flooding 1)";
    flow:established,to_server;
    content:"|20|Flooding|20|"; fast_pattern;
    content:"|20|for|20|";
    content:"|20|seconds."; distance:0;
    pcre:"/(?:JUNK|HOLD) Flooding (?:\d{1,3}\.){3}\d{1,3} for \d+ seconds.\r?\n/";
    reference:url,blog.malwaremustdie.org/2015/11/mmd-0044-2015-source-code-disclosure.html;
    classtype:command-and-control;
    sid:2022213; rev:2;
    metadata:affected_product Linux, created_at 2015_12_03, malware_family ELF_lizkebab, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_10_08;
)

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