GPL TELNET Bad Login

Query · suricata

flow:from_server,established;
content:"Login incorrect"; nocase; fast_pattern;
Raw source GPL TELNET Bad Login · 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 23 -> $EXTERNAL_NET any (
    msg:"GPL TELNET Bad Login";
    flow:from_server,established;
    content:"Login incorrect"; nocase; fast_pattern;
    classtype:bad-unknown;
    sid:2101251; rev:10;
    metadata:created_at 2010_09_23, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_10_08;
)

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