ET HUNTING SUSPICIOUS Possible Office Doc with Embedded VBA Project

Query · suricata

flow:established,from_server;
flowbits:isset,et.http.PK;
file_data;
content:"/vbaProject"; nocase;
pcre:"/\d*?\.bin/Ri";
flowbits:set,et.DocVBAProject;

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

Feeds into

  • 1 rule read et.DocVBAProject · view all
Raw source ET HUNTING SUSPICIOUS Possible Office Doc with Embedded VBA Project · 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 HUNTING SUSPICIOUS Possible Office Doc with Embedded VBA Project";
    flow:established,from_server;
    flowbits:isset,et.http.PK;
    file_data;
    content:"/vbaProject"; nocase;
    pcre:"/\d*?\.bin/Ri";
    flowbits:set,et.DocVBAProject;
    classtype:bad-unknown;
    sid:2019835; rev:3;
    metadata:affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2014_12_02, deployment Perimeter, confidence Medium, signature_severity Major, tag Web_Client_Attacks, updated_at 2019_07_26;
)

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