ET MALWARE Kimsuky KGH Malware Suite Checkin M1

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.request_body;
content:"|0d 0a 0d 0a 0d 0a 2f 2f 2f 2f 2f 2f 2f|";
content:"System Infomation"; within:30;
content:"|0d 0a 0d 0a|Boot Device|3a 20 5c|"; fast_pattern;
content:"|0d 0a|Build Number|3a 20|"; distance:0;
Raw source ET MALWARE Kimsuky KGH Malware Suite Checkin 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 Kimsuky KGH Malware Suite Checkin M1";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.request_body;
    content:"|0d 0a 0d 0a 0d 0a 2f 2f 2f 2f 2f 2f 2f|";
    content:"System Infomation"; within:30;
    content:"|0d 0a 0d 0a|Boot Device|3a 20 5c|"; fast_pattern;
    content:"|0d 0a|Build Number|3a 20|"; distance:0;
    reference:url,www.cybereason.com/blog/back-to-the-future-inside-the-kimsuky-kgh-spyware-suite;
    classtype:targeted-activity;
    sid:2031168; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_11_03, deployment Perimeter, malware_family KGH_Malware_Suite, performance_impact Low, confidence High, signature_severity Major, tag Kimsuky, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_11_03;
)

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