GPL FTP CWD ~root attempt

Query · suricata

flow:to_server,established;
content:"CWD"; nocase;
content:"~root"; distance:1; nocase;
pcre:"/^CWD\s+~root/smi";
Raw source GPL FTP CWD ~root 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 CWD ~root attempt";
    flow:to_server,established;
    content:"CWD"; nocase;
    content:"~root"; distance:1; nocase;
    pcre:"/^CWD\s+~root/smi";
    reference:arachnids,318;
    reference:cve,1999-0082;
    classtype:bad-unknown;
    sid:2100336; rev:11;
    metadata:created_at 2010_09_23, cve CVE_1999_0082, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

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