ET MALWARE Win32/Loader Variant Activity (POST)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:".inc"; endswith;
http.header_names;
content:!"Referer";
content:!"User-Agent";
http.request_body;
content:"hhh=h"; startswith; fast_pattern;
target:src_ip;
Raw source ET MALWARE Win32/Loader Variant Activity (POST) · Suricata
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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 Win32/Loader Variant Activity (POST)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:".inc"; endswith;
    http.header_names;
    content:!"Referer";
    content:!"User-Agent";
    http.request_body;
    content:"hhh=h"; startswith; fast_pattern;
    reference:md5,7bab405fbc6af65680443ae95c30595d;
    reference:url,asec.ahnlab.com/ko/47622/;
    classtype:trojan-activity;
    sid:2044200; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2023_02_14, deployment Perimeter, deployment SSLDecrypt, malware_family Win32_Loader, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_02_14;
    target:src_ip;
)

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