ET INFO Observed netstat Output From Internal Host Over UDP

Query · suricata

content:"|0d 0a 20 20|TCP|20 20 20|";
content:"|20 20 20|ESTABLISHED|20 20 20|"; fast_pattern;
target:dest_ip;
Raw source ET INFO Observed netstat Output From Internal Host Over 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 [$HOME_NET,$HTTP_SERVERS] any -> any any (
    msg:"ET INFO Observed netstat Output From Internal Host Over UDP";
    content:"|0d 0a 20 20|TCP|20 20 20|";
    content:"|20 20 20|ESTABLISHED|20 20 20|"; fast_pattern;
    classtype:misc-activity;
    sid:2062634; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, affected_product Windows_8, affected_product Windows_10, attack_target Client_and_Server, created_at 2025_05_30, deployment Perimeter, deployment Internal, confidence High, signature_severity Informational, tag AI_Generated_Description, updated_at 2025_05_30;
    target:dest_ip;
)

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