ET POLICY IRC DCC file transfer request on non-std port

Query · suricata

flow:to_server,established;
content:"PRIVMSG "; depth:8;
content:" |3a|.DCC SEND"; nocase;
Raw source ET POLICY IRC DCC file transfer request on non-std port · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $HOME_NET any -> any !6666:7000 (
    msg:"ET POLICY IRC DCC file transfer request on non-std port";
    flow:to_server,established;
    content:"PRIVMSG "; depth:8;
    content:" |3a|.DCC SEND"; nocase;
    classtype:non-standard-protocol;
    sid:2000349; rev:13;
    metadata:created_at 2010_07_30, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26, reviewed_at 2024_09_16;
)

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