ET EXPLOIT Possible MicroLogix 1100 PCCC DoS Condition (CVE-2017-7924)

Query · suricata

flow:to_server,established;
content:"|4b 02 20 67 24 01|";
content:"|a2|"; distance:0;
content:"|05 47|"; distance:1; within:2;
Raw source ET EXPLOIT Possible MicroLogix 1100 PCCC DoS Condition (CVE-2017-7924) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $EXTERNAL_NET any -> $HOME_NET 44818 (
    msg:"ET EXPLOIT Possible MicroLogix 1100 PCCC DoS Condition (CVE-2017-7924)";
    flow:to_server,established;
    content:"|4b 02 20 67 24 01|";
    content:"|a2|"; distance:0;
    content:"|05 47|"; distance:1; within:2;
    reference:cve,2017-7924;
    reference:url,rapid7.com/db/modules/auxiliary/dos/scada/allen_bradley_pccc;
    classtype:attempted-dos;
    sid:2026917; rev:1;
    metadata:created_at 2019_02_18, cve CVE_2017_7924, deployment Perimeter, performance_impact Moderate, confidence Medium, signature_severity Major, updated_at 2019_07_26, reviewed_at 2024_05_06;
)

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