ET MALWARE Maldoc Retrieving Remote Template (GET)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:".dotx?v="; fast_pattern;
http.user_agent;
content:"|3b 20|ms-office|3b 20|";
http.header_names;
content:!"Referer|0d 0a|";
Raw source ET MALWARE Maldoc Retrieving Remote Template (GET) · 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 Maldoc Retrieving Remote Template (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:".dotx?v="; fast_pattern;
    http.user_agent;
    content:"|3b 20|ms-office|3b 20|";
    http.header_names;
    content:!"Referer|0d 0a|";
    reference:url,twitter.com/ShadowChasing1/status/1522181041489776641;
    reference:md5,a49bcddba6ec46c5868b46db6202cb76;
    classtype:trojan-activity;
    sid:2036463; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_05_05, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_05_05;
)

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