ET MALWARE DPRK APT Related Maldoc Activity (POST) M2

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:".php"; endswith;
http.request_body;
content:"Macro_Opened_"; startswith; fast_pattern;
http.header_names;
content:!"Referer|0d 0a|";
Raw source ET MALWARE DPRK APT Related Maldoc Activity (POST) M2 · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE DPRK APT Related Maldoc Activity (POST) M2";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:".php"; endswith;
    http.request_body;
    content:"Macro_Opened_"; startswith; fast_pattern;
    http.header_names;
    content:!"Referer|0d 0a|";
    reference:url,twitter.com/h2jazi/status/1516443236264521740;
    reference:md5,aa8bd550de4f4dee6ab0bfca82848d44;
    classtype:trojan-activity;
    sid:2036279; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_04_20, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_04_20;
)

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