ET INFO ZeroTier Related Activity (udp)

Query · suricata

dsize:137;
content:"|77 8c de 71 90|"; offset:8; depth:5; fast_pattern;
threshold:type limit,count 1,seconds 120, track by_src;
target:src_ip;
Raw source ET INFO ZeroTier Related Activity (udp) · 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 udp $HOME_NET 9993 -> $EXTERNAL_NET 9993 (
    msg:"ET INFO ZeroTier Related Activity (udp)";
    dsize:137;
    content:"|77 8c de 71 90|"; offset:8; depth:5; fast_pattern;
    threshold:type limit,count 1,seconds 120, track by_src;
    reference:url,zerotier.com;
    classtype:bad-unknown;
    sid:2039784; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_11_15, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_11_15;
    target:src_ip;
)

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