ET USER_AGENTS Suspicious User-Agent (Microsoft-ATL-Native/9.00)

Query · suricata

flow:established,to_server;
http.user_agent;
content:"Microsoft-ATL-Native/9.00"; bsize:25;
Raw source ET USER_AGENTS Suspicious User-Agent (Microsoft-ATL-Native/9.00) · Suricata
Esc
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 Suspicious User-Agent (Microsoft-ATL-Native/9.00)";
    flow:established,to_server;
    http.user_agent;
    content:"Microsoft-ATL-Native/9.00"; bsize:25;
    reference:md5,783aef84f5b315704ff6b064a00e2573;
    classtype:bad-unknown;
    sid:2034296; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2021_10_29, deployment Perimeter, confidence High, signature_severity Informational, updated_at 2021_10_29;
)

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