GPL IMAP rename overflow attempt

Query · suricata

flow:established,to_server;
content:"RENAME"; nocase;
isdataat:100,relative;
pcre:"/\sRENAME\s[^\n]{100}/smi";
Raw source GPL IMAP rename 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 tcp $EXTERNAL_NET any -> $HOME_NET 143 (
    msg:"GPL IMAP rename overflow attempt";
    flow:established,to_server;
    content:"RENAME"; nocase;
    isdataat:100,relative;
    pcre:"/\sRENAME\s[^\n]{100}/smi";
    reference:bugtraq,1110;
    reference:cve,2000-0284;
    reference:nessus,10374;
    classtype:misc-attack;
    sid:2101903; rev:9;
    metadata:created_at 2010_09_23, cve CVE_2000_0284, confidence Medium, signature_severity Major, updated_at 2019_07_26;
)

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