Nasreddine Bencherchali
35 lines
1.1 KiB
YAML
35 lines
1.1 KiB
YAML
title: Local System Accounts Discovery
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id: b45e3d6f-42c6-47d8-a478-df6bd6cf534c
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status: test
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description: Detects enumeration of local systeam accounts. This information can help adversaries determine which local accounts exist on a system to aid in follow-on behavior.
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author: Alejandro Ortuno, oscd.community
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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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date: 2020/10/08
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modified: 2022/07/07
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logsource:
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category: process_creation
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product: linux
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detection:
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selection_1:
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Image|endswith: '/lastlog'
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selection_2:
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CommandLine|contains: '''x:0:'''
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selection_3:
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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_4:
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Image|endswith: '/id'
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selection_5:
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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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tags:
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- attack.discovery
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- attack.t1087.001
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