ET MALWARE KimJongRAT cnc exe pull

Query · suricata

flow:established,to_server;
http.method;
content:"POST"; nocase;
http.request_body;
content:"subject="; nocase; depth:8;
content:"&data="; nocase;
pcre:"/^subject=(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})_(?:(?:list|que)_done|ini(?:_done)?)&data/";
Raw source ET MALWARE KimJongRAT cnc exe pull · 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 KimJongRAT cnc exe pull";
    flow:established,to_server;
    http.method;
    content:"POST"; nocase;
    http.request_body;
    content:"subject="; nocase; depth:8;
    content:"&data="; nocase;
    pcre:"/^subject=(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})_(?:(?:list|que)_done|ini(?:_done)?)&data/";
    reference:url,malware.lu/Pro/RAP003_KimJongRAT-Stealer_Analysis.1.0.pdf;
    classtype:command-and-control;
    sid:2017009; rev:6;
    metadata:created_at 2013_06_13, signature_severity Major, updated_at 2020_04_24;
)

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