ET INFO SSH-2.0-Go version string Observed in Network Traffic

Query · suricata

flow:established,to_server;
dsize:12;
content:"SSH-2.0-Go|0d 0a|"; fast_pattern;
threshold:type limit,track by_src,count 1,seconds 120;
Raw source ET INFO SSH-2.0-Go version string Observed in Network Traffic · 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 any any -> $HOME_NET any (
    msg:"ET INFO SSH-2.0-Go version string Observed in Network Traffic";
    flow:established,to_server;
    dsize:12;
    content:"SSH-2.0-Go|0d 0a|"; fast_pattern;
    threshold:type limit,track by_src,count 1,seconds 120;
    classtype:misc-activity;
    sid:2038967; rev:1;
    metadata:affected_product Any, attack_target Client_and_Server, created_at 2022_09_23, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_09_23;
)

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