ET USER_AGENTS Steam HTTP Client User-Agent

Query · suricata

flow:established,to_server;
http.user_agent;
content:"Valve/Steam HTTP Client"; depth:23;
threshold:type limit, track by_src, count 1, seconds 300;
Raw source ET USER_AGENTS Steam HTTP Client User-Agent · 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 http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET USER_AGENTS Steam HTTP Client User-Agent";
    flow:established,to_server;
    http.user_agent;
    content:"Valve/Steam HTTP Client"; depth:23;
    threshold:type limit, track by_src, count 1, seconds 300;
    classtype:policy-violation;
    sid:2028651; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_10_07, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_10_16;
)

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