GPL FTP LIST directory traversal attempt

Query · suricata

flow:to_server,established;
content:"LIST"; nocase;
content:".."; distance:1;
content:".."; distance:1;
target:dest_ip;
Raw source GPL FTP LIST directory traversal 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 LIST directory traversal attempt";
    flow:to_server,established;
    content:"LIST"; nocase;
    content:".."; distance:1;
    content:".."; distance:1;
    reference:cve,2002-1054;
    reference:bugtraq,2618;
    reference:nessus,11112;
    reference:cve,2001-0680;
    classtype:protocol-command-decode;
    sid:2101992; rev:11;
    metadata:created_at 2010_09_23, cve CVE_2001_0680, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_11_26, mitre_tactic_id TA0007, mitre_tactic_name Discovery, mitre_technique_id T1083, mitre_technique_name File_And_Directory_Discovery;
    target:dest_ip;
)

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