ET SCAN Grim's Ping ftp scanning tool

Query · suricata

flow:to_server,established;
content:"PASS ";
content:"gpuser@home.com"; within:18;
Raw source ET SCAN Grim's Ping ftp scanning tool · 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 any any -> any 21 (
    msg:"ET SCAN Grim's Ping ftp scanning tool";
    flow:to_server,established;
    content:"PASS ";
    content:"gpuser@home.com"; within:18;
    reference:url,archives.neohapsis.com/archives/snort/2002-04/0448.html;
    reference:url,grimsping.cjb.net;
    classtype:network-scan;
    sid:2007802; rev:4;
    metadata:created_at 2010_07_30, confidence Medium, signature_severity Informational, updated_at 2019_07_26;
)

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