ET POLICY Inbound PowerShell Capable of Enumerating Internal Network via WMI

Query · suricata

flow:established,from_server;
http.stat_code;
content:"200";
file.data;
content:"|20|Win32_NetworkAdapterConfiguration"; nocase;
content:"_.IPEnabled|20|-ne|20|$null"; within:200; nocase;
content:"_.DefaultIPGateway|20|-ne|20|$null"; within:200; nocase;
content:"select|20|IPAddress"; within:200; nocase; fast_pattern;
Raw source ET POLICY Inbound PowerShell Capable of Enumerating Internal Network via WMI · 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 $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET POLICY Inbound PowerShell Capable of Enumerating Internal Network via WMI";
    flow:established,from_server;
    http.stat_code;
    content:"200";
    file.data;
    content:"|20|Win32_NetworkAdapterConfiguration"; nocase;
    content:"_.IPEnabled|20|-ne|20|$null"; within:200; nocase;
    content:"_.DefaultIPGateway|20|-ne|20|$null"; within:200; nocase;
    content:"select|20|IPAddress"; within:200; nocase; fast_pattern;
    reference:md5,e5a9c413812b5217ef0da962668e9651;
    classtype:trojan-activity;
    sid:2027338; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, created_at 2019_05_08, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag PowerShell, tag T1086, updated_at 2020_11_18;
)

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