30 lines
856 B
YAML
30 lines
856 B
YAML
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title: Suspicious PowerShell WindowStyle Option
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author: frack113
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date: 2021/10/20
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description: Adversaries may use hidden windows to conceal malicious activity from
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the plain sight of users. In some cases, windows that would typically be displayed
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when an application carries out an operation can be hidden
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detection:
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SELECTION_1:
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ScriptBlockText: '*powershell*'
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SELECTION_2:
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ScriptBlockText: '*WindowStyle*'
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SELECTION_3:
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ScriptBlockText: '*Hidden*'
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condition: (SELECTION_1 and SELECTION_2 and SELECTION_3)
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falsepositives:
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- Unknown
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id: 313fbb0a-a341-4682-848d-6d6f8c4fab7c
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level: medium
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logsource:
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category: ps_script
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product: windows
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references:
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- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1564.003/T1564.003.md
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status: experimental
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tags:
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- attack.defense_evasion
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- attack.t1564.003
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ruletype: SIGMA
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