44 lines
1.2 KiB
YAML
44 lines
1.2 KiB
YAML
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title: Modification of Boot Configuration
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author: E.M. Anhaus (originally from Atomic Blue Detections, Endgame), oscd.community
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date: 2019/10/24
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description: Identifies use of the bcdedit command to delete boot configuration data.
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This tactic is sometimes used as by malware or an attacker as a destructive technique.
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detection:
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SELECTION_1:
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EventID: 1
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SELECTION_2:
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Image: '*\bcdedit.exe'
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SELECTION_3:
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CommandLine: '*set*'
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SELECTION_4:
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CommandLine: '*bootstatuspolicy*'
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SELECTION_5:
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CommandLine: '*ignoreallfailures*'
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SELECTION_6:
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CommandLine: '*recoveryenabled*'
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SELECTION_7:
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CommandLine: '*no*'
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condition: (SELECTION_1 and (SELECTION_2 and SELECTION_3) and ((SELECTION_4 and
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SELECTION_5) or (SELECTION_6 and SELECTION_7)))
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falsepositives:
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- Unlikely
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fields:
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- ComputerName
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- User
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- CommandLine
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id: 1444443e-6757-43e4-9ea4-c8fc705f79a2
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level: high
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logsource:
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category: process_creation
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product: windows
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modified: 2019/11/11
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references:
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- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1490/T1490.md
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- https://eqllib.readthedocs.io/en/latest/analytics/c4732632-9c1d-4980-9fa8-1d98c93f918e.html
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status: experimental
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tags:
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- attack.impact
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- attack.t1490
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ruletype: SIGMA
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