ET MALWARE Possible APT17 CnC Content in Public Website

Query · suricata

flow:from_server,established;
file_data;
content:"@MICR0S0FT";
pcre:"/^[a-zA-Z0-9]{8}/R";
content:"C0RP0RATI0N"; within:11;
Raw source ET MALWARE Possible APT17 CnC Content in Public Website · 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 APT17 CnC Content in Public Website";
    flow:from_server,established;
    file_data;
    content:"@MICR0S0FT";
    pcre:"/^[a-zA-Z0-9]{8}/R";
    content:"C0RP0RATI0N"; within:11;
    reference:url,github.com/fireeye/iocs/tree/master/APT17;
    classtype:targeted-activity;
    sid:2021116; rev:2;
    metadata:created_at 2015_05_19, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

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