ET RETIRED WinGO\Monitor.go CnC Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/log"; bsize:4;
http.user_agent;
content:"workbench Windows NT"; fast_pattern;
http.header;
content:"Fileversion|3a 20|";
http.header_names;
content:!"Referer";
http.request_body;
content:"dev_id=";
content:"device_mode=";
content:"error=";
content:"level=";
content:"time=";
content:"value=";
Raw source ET RETIRED WinGO\Monitor.go CnC Checkin · 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 RETIRED WinGO\Monitor.go CnC Checkin";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/log"; bsize:4;
    http.user_agent;
    content:"workbench Windows NT"; fast_pattern;
    http.header;
    content:"Fileversion|3a 20|";
    http.header_names;
    content:!"Referer";
    http.request_body;
    content:"dev_id=";
    content:"device_mode=";
    content:"error=";
    content:"level=";
    content:"time=";
    content:"value=";
    reference:md5,11335bf1616a8fba16451a6f52b3f238;
    classtype:trojan-activity;
    sid:2039749; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2022_11_07, deployment Perimeter, former_category MALWARE, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_23, reviewed_at 2024_09_23;
)

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