ET MALWARE Suspected Zebrocy Implant CnC Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.request_body;
content:"ID="; startswith;
content:"&Disks=";
content:"&Files=";
content:"&Proc_list="; fast_pattern;
http.content_type;
content:"|3b 20|charset=65001|20 28|UTF-8|29|";
Raw source ET MALWARE Suspected Zebrocy Implant CnC Checkin · 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 Suspected Zebrocy Implant CnC Checkin";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.request_body;
    content:"ID="; startswith;
    content:"&Disks=";
    content:"&Files=";
    content:"&Proc_list="; fast_pattern;
    http.content_type;
    content:"|3b 20|charset=65001|20 28|UTF-8|29|";
    reference:url,meltx0r.github.io/tech/2019/10/24/apt28.html;
    classtype:command-and-control;
    sid:2028906; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_10_25, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag Zebrocy, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_16;
)

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