phantinuss
65 lines
2.3 KiB
YAML
Executable File
65 lines
2.3 KiB
YAML
Executable File
title: WMI Modules Loaded
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id: 671bb7e3-a020-4824-a00e-2ee5b55f385e
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description: Detects non wmiprvse loading WMI modules
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status: experimental
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date: 2019/08/10
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modified: 2021/11/25
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author: Roberto Rodriguez @Cyb3rWard0g
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references:
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- https://threathunterplaybook.com/notebooks/windows/02_execution/WIN-190811201010.html
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tags:
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- attack.execution
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- attack.t1047
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logsource:
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category: image_load
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product: windows
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detection:
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selection:
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ImageLoaded|endswith:
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- '\wmiclnt.dll'
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- '\WmiApRpl.dll'
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- '\wmiprov.dll'
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- '\wmiutils.dll'
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- '\wbemcomn.dll'
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- '\wbemprox.dll'
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- '\WMINet_Utils.dll'
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- '\wbemsvc.dll'
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- '\fastprox.dll'
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filter:
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Image|endswith:
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- '\WmiPrvSE.exe'
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- '\WmiApSrv.exe'
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- '\svchost.exe'
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- '\DeviceCensus.exe'
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- '\CompatTelRunner.exe'
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- '\sdiagnhost.exe'
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- '\SIHClient.exe'
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- '\ngentask.exe' # c:\Windows\Microsoft.NET\Framework(64)\ngentask.exe
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- '\windows\system32\taskhostw.exe' # c:\windows\system32\taskhostw.exe
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- '\windows\system32\MoUsoCoreWorker.exe' # c:\windows\System32\MoUsoCoreWorker.exe on win10 20H04 at least
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- '\windows\system32\wbem\WMIADAP.exe' # https://github.com/SigmaHQ/sigma/issues/1871
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- 'C:\Windows\Sysmon64.exe'
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- 'C:\Windows\Sysmon.exe'
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- 'C:\Windows\System32\wbem\unsecapp.exe'
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- '\logman.exe'
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- '\systeminfo.exe'
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- '\nvcontainer.exe'
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- 'C:\Windows\System32\wbem\WMIC.exe'
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- '\explorer.exe'
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- '\opera_autoupdate.exe'
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- '\MsMpEng.exe'
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filter_generic: # rule caused many false positives in different productive environments - using this filter to exclude all programs that run from folders that only the administrative groups should have access to
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Image|startswith:
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- 'C:\Program Files\'
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- 'C:\Program Files (x86)\'
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condition: selection and not filter and not filter_generic
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fields:
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- ComputerName
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- User
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- Image
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- ImageLoaded
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falsepositives:
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- Unknown
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level: informational # too many false positives
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