ET MALWARE Possible malicious Office doc hidden in XML file

Query · suricata

flow:established,from_server;
file_data;
content:"<?xml"; within:5;
content:"<?mso-application progid=|22|Word.Document|22|?>"; nocase; distance:0;
content:"macrosPresent=|22|yes|22|"; distance:0; fast_pattern;
Raw source ET MALWARE Possible malicious Office doc hidden in XML file · 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 MALWARE Possible malicious Office doc hidden in XML file";
    flow:established,from_server;
    file_data;
    content:"<?xml"; within:5;
    content:"<?mso-application progid=|22|Word.Document|22|?>"; nocase; distance:0;
    content:"macrosPresent=|22|yes|22|"; distance:0; fast_pattern;
    reference:url,trustwave.com/Resources/SpiderLabs-Blog/Attackers-concealing-malicious-macros-in-XML-files/;
    classtype:trojan-activity;
    sid:2020657; rev:2;
    metadata:created_at 2015_03_10, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.