2019-10-28 10:59:49 +00:00
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title: Indirect Command Execution
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2019-12-19 22:56:36 +00:00
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id: fa47597e-90e9-41cd-ab72-c3b74cfb0d02
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2019-11-11 00:20:09 +00:00
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description: Detect indirect command execution via Program Compatibility Assistant pcalua.exe or forfiles.exe
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2019-10-28 10:59:49 +00:00
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status: experimental
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2019-11-11 00:20:09 +00:00
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author: E.M. Anhaus (orignally from Atomic Blue Detections, Endgame), oscd.community
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references:
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- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1202/T1202.yaml
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- https://eqllib.readthedocs.io/en/latest/analytics/884a7ccd-7305-4130-82d0-d4f90bc118b6.html
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2019-10-28 10:59:49 +00:00
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date: 2019/10/24
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2019-11-11 00:20:09 +00:00
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modified: 2019/11/11
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2019-10-28 10:59:49 +00:00
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tags:
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- attack.defense_evasion
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- attack.t1202
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2020-01-19 21:34:16 +00:00
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logsource:
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category: process_creation
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product: windows
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2019-10-28 10:59:49 +00:00
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detection:
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selection:
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2019-11-11 00:20:09 +00:00
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ParentImage|endswith:
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- '\pcalua.exe'
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- '\forfiles.exe'
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condition: selection
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2020-01-10 23:11:27 +00:00
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fields:
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- ComputerName
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- User
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- ParentCommandLine
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- CommandLine
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2019-10-28 10:59:49 +00:00
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falsepositives:
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2019-11-11 00:20:09 +00:00
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- Need to use extra processing with 'unique_count' / 'filter' to focus on outliers as opposed to commonly seen artifacts
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- Legit usage of scripts
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2020-01-17 14:46:28 +00:00
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level: low
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