ET INFO Non Standard Port DNS Query to google .com (udp)

Query · suricata

content:"|01|"; offset:2; depth:1;
content:"|00 01 00 00 00 00 00|"; distance:1; within:7;
content:"|06|google|03|com"; fast_pattern;
Raw source ET INFO Non Standard Port DNS Query to google .com (udp) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert udp $HOME_NET !53 -> $EXTERNAL_NET !53 (
    msg:"ET INFO Non Standard Port DNS Query to google .com (udp)";
    content:"|01|"; offset:2; depth:1;
    content:"|00 01 00 00 00 00 00|"; distance:1; within:7;
    content:"|06|google|03|com"; fast_pattern;
    classtype:bad-unknown;
    sid:2035472; rev:4;
    metadata:attack_target Client_Endpoint, created_at 2022_03_16, deployment Perimeter, confidence High, signature_severity Informational, updated_at 2023_03_01;
)

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