ET HUNTING Suspicious Response (MS-Officecmd)

Query · suricata

flow:established,to_client;
http.response_body;
content:"ms-officecmd|3a|"; nocase;
content:"LaunchOfficeAppForResult"; nocase; distance:0; fast_pattern;
Raw source ET HUNTING Suspicious Response (MS-Officecmd) · 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 $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (
    msg:"ET HUNTING Suspicious Response (MS-Officecmd)";
    flow:established,to_client;
    http.response_body;
    content:"ms-officecmd|3a|"; nocase;
    content:"LaunchOfficeAppForResult"; nocase; distance:0; fast_pattern;
    reference:url,positive.security/blog/ms-officecmd-rce;
    classtype:attempted-admin;
    sid:2034628; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2021_12_07, deployment Perimeter, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_06;
)

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