GPL FTP SITE ZIPCHK overflow attempt

Query · suricata

flow:to_server,established;
content:"SITE"; nocase;
content:"ZIPCHK"; distance:1; nocase;
isdataat:100,relative;
pcre:"/^SITE\s+ZIPCHK\s[^\n]{100}/smi";
Raw source GPL FTP SITE ZIPCHK 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 21 (
    msg:"GPL FTP SITE ZIPCHK overflow attempt";
    flow:to_server,established;
    content:"SITE"; nocase;
    content:"ZIPCHK"; distance:1; nocase;
    isdataat:100,relative;
    pcre:"/^SITE\s+ZIPCHK\s[^\n]{100}/smi";
    reference:cve,2000-0040;
    classtype:attempted-admin;
    sid:2101921; rev:7;
    metadata:created_at 2010_09_23, cve CVE_2000_0040, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.