GPL FTP SITE CPWD overflow attempt

Query · suricata

flow:established,to_server;
content:"SITE"; nocase;
content:"CPWD"; distance:0; nocase;
isdataat:100,relative;
pcre:"/^SITE\s+CPWD\s[^\n]{100}/smi";
Raw source GPL FTP SITE CPWD 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 ftp $EXTERNAL_NET any -> $HOME_NET any (
    msg:"GPL FTP SITE CPWD overflow attempt";
    flow:established,to_server;
    content:"SITE"; nocase;
    content:"CPWD"; distance:0; nocase;
    isdataat:100,relative;
    pcre:"/^SITE\s+CPWD\s[^\n]{100}/smi";
    reference:bugtraq,5427;
    reference:cve,2002-0826;
    classtype:misc-attack;
    sid:2101888; rev:9;
    metadata:created_at 2010_09_23, cve CVE_2002_0826, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

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