ET WEB_CLIENT [TW] WEBDAV Requesting Startup Dir

Query · suricata

flow:established,to_server;
http.uri;
content:"/Microsoft/Windows/Start Menu/Programs/Startup/"; fast_pattern;
http.user_agent;
content:"Microsoft-WebDAV-MiniRedir"; nocase; startswith;
Raw source ET WEB_CLIENT [TW] WEBDAV Requesting Startup Dir · 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 WEB_CLIENT [TW] WEBDAV Requesting Startup Dir";
    flow:established,to_server;
    http.uri;
    content:"/Microsoft/Windows/Start Menu/Programs/Startup/"; fast_pattern;
    http.user_agent;
    content:"Microsoft-WebDAV-MiniRedir"; nocase; startswith;
    reference:url,irsl.medium.com/the-trouble-with-microsofts-troubleshooters-6e32fc80b8bd;
    classtype:attempted-user;
    sid:2036880; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_06_06, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_06_06;
)

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