Nasreddine Bencherchali
598d29f811
chore: change tags, date, modified fields to comply with v2 of the Sigma spec. chore: update the related type from `obsoletes` to `obsolete`. chore: update local json schema to the latest version.
43 lines
1.2 KiB
YAML
43 lines
1.2 KiB
YAML
title: Local System Accounts Discovery - MacOs
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id: ddf36b67-e872-4507-ab2e-46bda21b842c
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status: test
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description: Detects enumeration of local systeam accounts on MacOS
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references:
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- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1087.001/T1087.001.md
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author: Alejandro Ortuno, oscd.community
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date: 2020-10-08
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modified: 2022-11-27
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tags:
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- attack.discovery
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- attack.t1087.001
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logsource:
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category: process_creation
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product: macos
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detection:
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selection_1:
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Image|endswith: '/dscl'
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CommandLine|contains|all:
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- 'list'
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- '/users'
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selection_2:
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Image|endswith: '/dscacheutil'
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CommandLine|contains|all:
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- '-q'
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- 'user'
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selection_3:
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CommandLine|contains: '''x:0:'''
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selection_4:
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Image|endswith: '/cat'
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CommandLine|contains:
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- '/etc/passwd'
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- '/etc/sudoers'
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selection_5:
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Image|endswith: '/id'
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selection_6:
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Image|endswith: '/lsof'
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CommandLine|contains: '-u'
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condition: 1 of selection*
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falsepositives:
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- Legitimate administration activities
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level: low
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