ET MALWARE Possible Malicious PowerSploit PowerShell Script Observed over HTTP

Query · suricata

flow:established,from_server;
file_data;
content:"CmdletBinding()";
content:"$DoNotZeroMZ"; distance:0; fast_pattern;
Raw source ET MALWARE Possible Malicious PowerSploit PowerShell Script Observed over HTTP · 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 -> $HOME_NET any (
    msg:"ET MALWARE Possible Malicious PowerSploit PowerShell Script Observed over HTTP";
    flow:established,from_server;
    file_data;
    content:"CmdletBinding()";
    content:"$DoNotZeroMZ"; distance:0; fast_pattern;
    reference:url,github.com/PowerShellMafia/PowerSploit/blob/master/CodeExecution/Invoke-ReflectivePEInjection.ps1;
    classtype:trojan-activity;
    sid:2023947; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_02_16, deployment Perimeter, confidence High, signature_severity Major, updated_at 2019_07_26;
)

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