ET INFO Download of Embedded OpenType (EOT) File flowbit set

Query · suricata

flow:established,to_client;
file_data;
content:"|4c 50|"; offset:34; depth:2;
flowbits:set,ET.EOT.Download;
flowbits:noalert;

Rule dependencies

Feeds into

  • Nothing indexed reads ET.EOT.Download.
Raw source ET INFO Download of Embedded OpenType (EOT) File flowbit set · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET INFO Download of Embedded OpenType (EOT) File flowbit set";
    flow:established,to_client;
    file_data;
    content:"|4c 50|"; offset:34; depth:2;
    flowbits:set,ET.EOT.Download;
    flowbits:noalert;
    reference:url,www.w3.org/Submission/EOT/#FileFormat;
    classtype:misc-activity;
    sid:2024829; rev:2;
    metadata:affected_product Internet_Explorer, affected_product Mac_OSX, affected_product Microsoft_Edge_Browser, attack_target Client_Endpoint, created_at 2017_10_10, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, updated_at 2019_07_26;
)

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