GPL FTP RETR overflow attempt

Query · suricata

flow:to_server,established;
content:"RETR"; nocase;
isdataat:100,relative;
pcre:"/^RETR\s[^\n]{100}/smi";
Raw source GPL FTP RETR overflow attempt · 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 21 (
    msg:"GPL FTP RETR overflow attempt";
    flow:to_server,established;
    content:"RETR"; nocase;
    isdataat:100,relative;
    pcre:"/^RETR\s[^\n]{100}/smi";
    reference:bugtraq,8315;
    reference:cve,2003-0466;
    reference:cve,2004-0287;
    reference:cve,2004-0298;
    classtype:attempted-admin;
    sid:2102392; rev:8;
    metadata:created_at 2010_09_23, cve CVE_2003_0466, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

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