ET SCADA Golden FTP Server PASS Command Remote Buffer Overflow Attempt

Query · suricata

flow:established,to_server;
content:"PASS"; nocase;
isdataat:1000,relative;
content:!"|0A|"; within:1000;
Raw source ET SCADA Golden FTP Server PASS Command Remote Buffer Overflow Attempt · Suricata
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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 4444 (
    msg:"ET SCADA Golden FTP Server PASS Command Remote Buffer Overflow Attempt";
    flow:established,to_server;
    content:"PASS"; nocase;
    isdataat:1000,relative;
    content:!"|0A|"; within:1000;
    reference:bugtraq,45957;
    classtype:denial-of-service;
    sid:2013235; rev:2;
    metadata:created_at 2011_07_08, confidence High, signature_severity Major, updated_at 2019_07_26;
)

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