ET HUNTING Observed DNS Query to Valve Steam Store (store .steampowered .com)

Query · suricata

dns.query; bsize:24;
content:"store.steampowered.com"; nocase;
threshold:type limit,count 1,seconds 300,track by_src;
target:src_ip;
Raw source ET HUNTING Observed DNS Query to Valve Steam Store (store .steampowered .com) · 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 dns $HOME_NET any -> any any (
    msg:"ET HUNTING Observed DNS Query to Valve Steam Store (store .steampowered .com)";
    dns.query; bsize:24;
    content:"store.steampowered.com"; nocase;
    threshold:type limit,count 1,seconds 300,track by_src;
    classtype:misc-activity;
    sid:2064971; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2025_08_11, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_09_30;
    target:src_ip;
)

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