frack113
34 lines
1.3 KiB
YAML
34 lines
1.3 KiB
YAML
title: Powershell WMI Persistence
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id: 9e07f6e7-83aa-45c6-998e-0af26efd0a85
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status: experimental
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author: frack113
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date: 2021/08/19
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description: Adversaries may establish persistence and elevate privileges by executing malicious content triggered by a Windows Management Instrumentation (WMI) event subscription.
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references:
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- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1546.003/T1546.003.md
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- https://github.com/EmpireProject/Empire/blob/master/data/module_source/persistence/Persistence.psm1#L545
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tags:
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- attack.privilege_escalation
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- attack.t1546.003
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logsource:
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product: windows
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service: powershell
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definition: EnableScriptBlockLogging must be set to enable
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detection:
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selection_id:
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EventID: 4104
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selection_ioc:
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- ScriptBlockText|contains|all:
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- 'New-CimInstance '
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- '-Namespace root/subscription '
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- '-ClassName __EventFilter '
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- '-Property ' #is a variable name
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- ScriptBlockText|contains|all:
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- 'New-CimInstance '
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- '-Namespace root/subscription '
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- '-ClassName CommandLineEventConsumer '
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- '-Property ' #is a variable name
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condition: all of them
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falsepositives:
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- Unknown
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level: medium |