ET MALWARE Lazarus APT Related Maldoc Activity (GET)

Query · suricata

flow:established,to_server;
http.request_line;
content:"GET /wp-content/plugins/akismet/control/en/en.jpg HTTP/1.1"; fast_pattern;
http.user_agent;
content:"|3b 20|ms-office|3b 20|";
http.header_names;
content:!"Referer";
Raw source ET MALWARE Lazarus APT Related Maldoc Activity (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 Lazarus APT Related Maldoc Activity (GET)";
    flow:established,to_server;
    http.request_line;
    content:"GET /wp-content/plugins/akismet/control/en/en.jpg HTTP/1.1"; fast_pattern;
    http.user_agent;
    content:"|3b 20|ms-office|3b 20|";
    http.header_names;
    content:!"Referer";
    reference:md5,854903e0b284ef78322082de46dcd160;
    reference:url,twitter.com/h2jazi/status/1505965580075114498;
    classtype:trojan-activity;
    sid:2035545; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_03_21, deployment Perimeter, deployment SSLDecrypt, malware_family Lazarus, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_21, reviewed_at 2023_09_01;
)

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