ET INFO RustDesk Register Peer where serial=1

Query · suricata

dsize:15;
content:"|32 0d 0a 09|"; startswith; fast_pattern;
content:"|10 01|"; distance:9; within:2; endswith;
threshold:type limit, seconds 30, count 1, track by_src;
Raw source ET INFO RustDesk Register Peer where serial=1 · 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 any -> $EXTERNAL_NET 21116 (
    msg:"ET INFO RustDesk Register Peer where serial=1";
    dsize:15;
    content:"|32 0d 0a 09|"; startswith; fast_pattern;
    content:"|10 01|"; distance:9; within:2; endswith;
    threshold:type limit, seconds 30, count 1, track by_src;
    reference:url,github.com/rustdesk/rustdesk/issues/594;
    classtype:misc-activity;
    sid:2044070; 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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