DustInDark
0cfa806baf
* added ruletype to SIGMA rule #230 * added ruletype to SIGMA rule converter tool #231
43 lines
1.1 KiB
YAML
43 lines
1.1 KiB
YAML
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title: Stealthy VSTO Persistence
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author: Bhabesh Raj
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date: 2021/01/10
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description: Detects persistence via Visual Studio Tools for Office (VSTO) add-ins
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in Office applications.
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detection:
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SELECTION_1:
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EventID: 12
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SELECTION_2:
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EventID: 13
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SELECTION_3:
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EventID: 14
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SELECTION_4:
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EventType: SetValue
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SELECTION_5:
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TargetObject:
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- '*\Software\Microsoft\Office\Outlook\Addins\\*'
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- '*\Software\Microsoft\Office\Word\Addins\\*'
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- '*\Software\Microsoft\Office\Excel\Addins\\*'
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- '*\Software\Microsoft\Office\Powerpoint\Addins\\*'
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- '*\Software\Microsoft\VSTO\Security\Inclusion\\*'
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SELECTION_6:
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Image: '*\msiexec.exe'
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condition: ((SELECTION_1 or SELECTION_2 or SELECTION_3) and (SELECTION_4 and SELECTION_5)
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and not (SELECTION_6))
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falsepositives:
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- Unknown
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id: 9d15044a-7cfe-4d23-8085-6ebc11df7685
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level: high
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logsource:
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category: registry_event
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product: windows
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modified: 2021/07/27
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references:
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- https://twitter.com/_vivami/status/1347925307643355138
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- https://vanmieghem.io/stealth-outlook-persistence/
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status: experimental
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tags:
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- attack.t1137.006
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- attack.persistence
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ruletype: SIGMA
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