GPL TELNET root login

Query · suricata

flow:from_server,established;
content:"login|3a 20|root"; fast_pattern;
Raw source GPL TELNET root login · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $TELNET_SERVERS 23 -> $EXTERNAL_NET any (
    msg:"GPL TELNET root login";
    flow:from_server,established;
    content:"login|3a 20|root"; fast_pattern;
    classtype:suspicious-login;
    sid:2100719; rev:9;
    metadata:created_at 2010_09_23, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_10_08;
)

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