ET INFO Possible MSXMLHTTP Request (msi) unset (no exe)

Query · suricata

flow:to_server,established;
flowbits:isset,et.MS.XMLHTTP.no.exe.request;
flowbits:unset,et.MS.XMLHTTP.no.exe.request;
flowbits:noalert;
http.uri;
content:".msi"; nocase; fast_pattern;

Rule dependencies

⚠ Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

Raw source ET INFO Possible MSXMLHTTP Request (msi) unset (no exe) · 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 INFO Possible MSXMLHTTP Request (msi) unset (no exe)";
    flow:to_server,established;
    flowbits:isset,et.MS.XMLHTTP.no.exe.request;
    flowbits:unset,et.MS.XMLHTTP.no.exe.request;
    flowbits:noalert;
    http.uri;
    content:".msi"; nocase; fast_pattern;
    classtype:misc-activity;
    sid:2022265; rev:6;
    metadata:created_at 2015_12_15, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_05;
)

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