mirror of
https://github.com/valitydev/SigmaHQ.git
synced 2024-11-07 17:58:52 +00:00
924e1feb54
* Added UUIDs to all contributed rules * Moved unsupported logic directory out of rules/ because this breaks CI testing.
32 lines
1.2 KiB
YAML
32 lines
1.2 KiB
YAML
title: Suspicious PowerShell Keywords
|
|
id: 1f49f2ab-26bc-48b3-96cc-dcffbc93eadf
|
|
status: experimental
|
|
description: Detects keywords that could indicate the use of some PowerShell exploitation framework
|
|
date: 2019/02/11
|
|
author: Florian Roth, Perez Diego (@darkquassar)
|
|
references:
|
|
- https://posts.specterops.io/entering-a-covenant-net-command-and-control-e11038bcf462
|
|
- https://github.com/PowerShellMafia/PowerSploit/blob/master/CodeExecution/Invoke-ReflectivePEInjection.ps1
|
|
- https://github.com/hlldz/Invoke-Phant0m/blob/master/Invoke-Phant0m.ps1
|
|
tags:
|
|
- attack.execution
|
|
- attack.t1086
|
|
logsource:
|
|
product: windows
|
|
service: powershell
|
|
definition: 'It is recommended to use the new "Script Block Logging" of PowerShell v5 https://adsecurity.org/?p=2277. Monitor for EventID 4104'
|
|
detection:
|
|
keywords:
|
|
Message:
|
|
- "System.Reflection.Assembly.Load"
|
|
- "[System.Reflection.Assembly]::Load"
|
|
- "[Reflection.Assembly]::Load"
|
|
- "System.Reflection.AssemblyName"
|
|
- "Reflection.Emit.AssemblyBuilderAccess"
|
|
- "Runtime.InteropServices.DllImportAttribute"
|
|
- "SuspendThread"
|
|
condition: keywords
|
|
falsepositives:
|
|
- Penetration tests
|
|
level: high
|