ET MALWARE Win32/MagicRAT CnC Activity M1

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:".php"; endswith;
http.content_type;
content:"application/x-www-form-urlencoded"; bsize:33;
http.request_body;
content:"session="; startswith;
content:"&type=system"; distance:0; fast_pattern;
content:!"&"; distance:0;
Raw source ET MALWARE Win32/MagicRAT CnC Activity M1 · 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 Win32/MagicRAT CnC Activity M1";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:".php"; endswith;
    http.content_type;
    content:"application/x-www-form-urlencoded"; bsize:33;
    http.request_body;
    content:"session="; startswith;
    content:"&type=system"; distance:0; fast_pattern;
    content:!"&"; distance:0;
    reference:url,blog.talosintelligence.com/2022/09/lazarus-magicrat.html;
    reference:md5,5c6f9c83426c6d33ff2d4e72c039b747;
    classtype:trojan-activity;
    sid:2038780; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_02_10, deployment Perimeter, malware_family MagicRAT, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_09_09;
)

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