ET INFO RustDesk Check NAT Type

Query · suricata

flow:established,to_server;
dsize:6;
content:"|14 a2 01 02 08 01|"; fast_pattern;
Raw source ET INFO RustDesk Check NAT Type · 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 $HOME_NET any -> $EXTERNAL_NET [21115:21116] (
    msg:"ET INFO RustDesk Check NAT Type";
    flow:established,to_server;
    dsize:6;
    content:"|14 a2 01 02 08 01|"; fast_pattern;
    reference:url,github.com/rustdesk/rustdesk/issues/594;
    classtype:misc-activity;
    sid:2044069; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2023_02_02, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_02_02;
)

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