ET MALWARE Win32/Sinresby.B Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/data?mac="; startswith; fast_pattern;
content:"&ip="; distance:17; within:4;
content:"&id="; distance:0;
http.accept_lang;
content:"zh-cn";
http.accept_enc;
content:"identity";
Raw source ET MALWARE Win32/Sinresby.B 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 6003 (
    msg:"ET MALWARE Win32/Sinresby.B Checkin";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/data?mac="; startswith; fast_pattern;
    content:"&ip="; distance:17; within:4;
    content:"&id="; distance:0;
    http.accept_lang;
    content:"zh-cn";
    http.accept_enc;
    content:"identity";
    reference:md5,9a1ed2cca63a687653819fa6d96a295f;
    classtype:trojan-activity;
    sid:2046714; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2023_06_30, deployment Perimeter, malware_family Win32_Sinresby_B, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_06_30;
)

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