GPL FTP CWD ~<CR><NEWLINE> attempt

Query · suricata

flow:to_server,established;
content:"CWD ";
content:" ~|0D 0A|";
Raw source GPL FTP CWD ~<CR><NEWLINE> 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 CWD ~<CR><NEWLINE> attempt";
    flow:to_server,established;
    content:"CWD ";
    content:" ~|0D 0A|";
    reference:bugtraq,2601;
    reference:cve,2001-0421;
    classtype:denial-of-service;
    sid:2101728; rev:9;
    metadata:created_at 2010_09_23, cve CVE_2001_0421, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

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