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31 lines
904 B
YAML
31 lines
904 B
YAML
title: File and Directory Discovery
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id: 089dbdf6-b960-4bcc-90e3-ffc3480c20f6
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status: experimental
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description: Detects usage of system utilities to discover files and directories
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author: Daniil Yugoslavskiy, oscd.community
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date: 2020/10/19
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references:
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- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1083/T1083.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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file_with_asterisk:
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Image: '/usr/bin/file'
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CommandLine|re: '(.){200,}' # execution of the 'file */* *>> /tmp/output.txt' will produce huge commandline
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recursive_ls:
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Image: '/bin/ls'
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CommandLine|contains: '-R'
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find_execution:
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Image: '/usr/bin/find'
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mdfind_execution:
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Image: '/usr/bin/mdfind'
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tree_execution|endswith:
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Image: '/tree'
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condition: 1 of them
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falsepositives:
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- Legitimate activities
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level: informational
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tags:
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- attack.discovery
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- attack.t1083 |