ET MALWARE Win32/SocGholish GhostWeaver Backdoor Activity (PowerShell BOINC Download Request)

Query · suricata

flow:established,to_server;
http.uri;
content:".php?s=boicn"; endswith; fast_pattern:only;
http.user_agent;
content:"WindowsPowerShell/";
Raw source ET MALWARE Win32/SocGholish GhostWeaver Backdoor Activity (PowerShell BOINC Download Request) · 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 Win32/SocGholish GhostWeaver Backdoor Activity (PowerShell BOINC Download Request)";
    flow:established,to_server;
    http.uri;
    content:".php?s=boicn"; endswith; fast_pattern:only;
    http.user_agent;
    content:"WindowsPowerShell/";
    reference:url,trac-labs.com/dont-ghost-the-socgholish-ghostweaver-backdoor-574154dd9983;
    reference:url,huntress.com/blog/fake-browser-updates-lead-to-boinc-volunteer-computing-software;
    classtype:trojan-activity;
    sid:2060585; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2025_03_04, deployment Perimeter, malware_family SocGholish, malware_family GhostWeaver, confidence High, signature_severity Major, tag Backdoor, tag ta569, updated_at 2025_03_04;
)

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