ET MALWARE APT28 Russia Macro Loader HTTP POST

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.request_body;
content:"|22|compname|22 3A 22|"; fast_pattern;
content:"|22|username|22 3A 22|";
content:"|22|region|22 3A 22|";
content:"|22|resolution|22 3A 22|";
content:"|22|language|22 3A 22|";
content:"|22|system|22 3A 22|";
target:src_ip;
Raw source ET MALWARE APT28 Russia Macro Loader HTTP POST · 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 APT28 Russia Macro Loader HTTP POST";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.request_body;
    content:"|22|compname|22 3A 22|"; fast_pattern;
    content:"|22|username|22 3A 22|";
    content:"|22|region|22 3A 22|";
    content:"|22|resolution|22 3A 22|";
    content:"|22|language|22 3A 22|";
    content:"|22|system|22 3A 22|";
    reference:url,go.recordedfuture.com/hubfs/reports/cta-2025-0522.pdf;
    reference:md5,919d1c4abd151525ec71d431f781306c;
    classtype:trojan-activity;
    sid:2062540; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_and_Server, tls_state plaintext, created_at 2025_05_22, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag APT28, updated_at 2025_05_22, mitre_tactic_id TA0007, mitre_tactic_name Discovery, mitre_technique_id T1018, mitre_technique_name Remote_System_Discovery;
    target:src_ip;
)

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