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33 lines
1.3 KiB
YAML
33 lines
1.3 KiB
YAML
title: Suspicious PowerShell Keywords
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id: 1f49f2ab-26bc-48b3-96cc-dcffbc93eadf
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status: experimental
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description: Detects keywords that could indicate the use of some PowerShell exploitation framework
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date: 2019/02/11
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author: Florian Roth, Perez Diego (@darkquassar)
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references:
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- https://posts.specterops.io/entering-a-covenant-net-command-and-control-e11038bcf462
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- https://github.com/PowerShellMafia/PowerSploit/blob/master/CodeExecution/Invoke-ReflectivePEInjection.ps1
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- https://github.com/hlldz/Invoke-Phant0m/blob/master/Invoke-Phant0m.ps1
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tags:
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- attack.execution
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- attack.t1086
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- attack.t1059.001
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logsource:
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product: windows
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service: powershell
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definition: 'It is recommended to use the new "Script Block Logging" of PowerShell v5 https://adsecurity.org/?p=2277. Monitor for EventID 4104'
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detection:
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keywords:
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Message:
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- "System.Reflection.Assembly.Load"
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- "[System.Reflection.Assembly]::Load"
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- "[Reflection.Assembly]::Load"
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- "System.Reflection.AssemblyName"
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- "Reflection.Emit.AssemblyBuilderAccess"
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- "Runtime.InteropServices.DllImportAttribute"
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- "SuspendThread"
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condition: keywords
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falsepositives:
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- Penetration tests
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level: high
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