ET TELNET External Telnet Attempt To Cisco Device With No Telnet Password Set (Automatically Dissalowed Until Password Set)

Query · suricata

flow:from_server;
content:"Password required, but none set"; depth:31;
Raw source ET TELNET External Telnet Attempt To Cisco Device With No Telnet Password Set (Automatically Dissalowed Until Password Set) · 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:"ET TELNET External Telnet Attempt To Cisco Device With No Telnet Password Set (Automatically Dissalowed Until Password Set)";
    flow:from_server;
    content:"Password required, but none set"; depth:31;
    classtype:attempted-admin;
    sid:2008860; rev:4;
    metadata:created_at 2010_07_30, signature_severity Minor, updated_at 2019_07_26;
)

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