ET HUNTING PowerShell Gallery Search for MSP360

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"|2f|findpackagesbyid|28 29 3f|id|3d 27|msp360|27|"; fast_pattern; nocase;
http.host;
content:"powershellgallery.com"; endswith;
Raw source ET HUNTING PowerShell Gallery Search for MSP360 · 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 HUNTING PowerShell Gallery Search for MSP360";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"|2f|findpackagesbyid|28 29 3f|id|3d 27|msp360|27|"; fast_pattern; nocase;
    http.host;
    content:"powershellgallery.com"; endswith;
    classtype:bad-unknown;
    sid:2067833; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2026_02_18, deployment Perimeter, confidence High, signature_severity Minor, tag RMM, tag MSP360, updated_at 2026_02_18;
)

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