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47 lines
1.1 KiB
YAML
47 lines
1.1 KiB
YAML
title: Local System Accounts Discovery
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id: ddf36b67-e872-4507-ab2e-46bda21b842c
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status: experimental
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description: Detects enumeration of local systeam accounts on MacOS
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author: Alejandro Ortuno, oscd.community
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date: 2020/10/08
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references:
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- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1087.001/T1087.001.md
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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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ProcessName|contains:
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- '*/dscl'
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CommandLine|contains:
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- '. list /users'
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selection_2:
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ProcessName|contains:
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- '*/dscacheutil'
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CommandLine|contains:
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- '-q user'
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selection_3:
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CommandLine|contains:
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- "'x:0:'"
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selection_4:
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ProcessName|contains:
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- '*/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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ProcessName|contains:
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- '*/id'
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selection_6:
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ProcessName|contains:
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- '*/lsof'
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CommandLine|contains:
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- '-u'
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condition: 1 of them
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falsepositives:
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- Legitimate administration activities
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level: low
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tags:
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- attack.discovery
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- attack.t1087.001
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