ET MALWARE KimJongRAT Data Exfiltration Attempt

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.request_body;
content:"name|3d 22|val|22|";
content:"name|3d 22|id|22|"; within:200;
content:"name|3d 22|file0|22 3b 20|filename|3d 22|";
content:"micro.log.zip_"; fast_pattern; within:150;
target:src_ip;
Raw source ET MALWARE KimJongRAT Data Exfiltration Attempt · 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 KimJongRAT Data Exfiltration Attempt";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.request_body;
    content:"name|3d 22|val|22|";
    content:"name|3d 22|id|22|"; within:200;
    content:"name|3d 22|file0|22 3b 20|filename|3d 22|";
    content:"micro.log.zip_"; fast_pattern; within:150;
    reference:url,unit42.paloaltonetworks.com/kimjongrat-stealer-variant-powershell;
    classtype:trojan-activity;
    sid:2063162; 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_06_24, deployment Perimeter, malware_family KimJongRAT, performance_impact Low, confidence High, signature_severity Major, updated_at 2025_06_24;
    target:src_ip;
)

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