ET MALWARE Operation Baby Coin syschk CnC Communication

Query · suricata

flow:to_server,established;
http.method;
content:"POST";
http.content_type;
content:"multipart / form-data|3b 20|boundary = --------------------------- 7dab371b0124"; fast_pattern; bsize:74;
http.header_names;
content:!"Referer|0d 0a|";
Raw source ET MALWARE Operation Baby Coin syschk CnC Communication · 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 Operation Baby Coin syschk CnC Communication";
    flow:to_server,established;
    http.method;
    content:"POST";
    http.content_type;
    content:"multipart / form-data|3b 20|boundary = --------------------------- 7dab371b0124"; fast_pattern; bsize:74;
    http.header_names;
    content:!"Referer|0d 0a|";
    reference:url,blog.alyac.co.kr/1640;
    classtype:command-and-control;
    sid:2026609; rev:4;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_04_25, deployment Perimeter, confidence High, signature_severity Major, updated_at 2020_08_27;
)

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