ET MALWARE Win32/ModernLoader Activity (POST)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:".php"; endswith;
http.request_body;
content:"|7b 22|UUID|22 3a 22|"; startswith;
content:"|22|Net|22 3a 22|";
content:"|22|AntiVirus|22 3a 22|";
content:"|22|Network PCs|22 3a 22|"; fast_pattern;
Raw source ET MALWARE Win32/ModernLoader 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/ModernLoader Activity (POST)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:".php"; endswith;
    http.request_body;
    content:"|7b 22|UUID|22 3a 22|"; startswith;
    content:"|22|Net|22 3a 22|";
    content:"|22|AntiVirus|22 3a 22|";
    content:"|22|Network PCs|22 3a 22|"; fast_pattern;
    reference:md5,acaf26ffa764ed16d711989546acb112;
    reference:md5,389f53223fccb698f2fba88ed408727c;
    reference:md5,9c808b7c4f15d6212e9eac317216d9e7;
    reference:url,blog.talosintelligence.com/2022/08/modernloader-delivers-multiple-stealers.html;
    classtype:trojan-activity;
    sid:2042188; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_01_20, deployment Perimeter, malware_family ModernLoader, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_12_07, reviewed_at 2023_08_25, former_sid 2850890;
)

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