Possible File and Directory Enumeration - Linux (via process_creation)

title: Possible File and Directory Enumeration - Linux (via process_creation)
id: 2a10b712-17e1-5182-b7eb-7ef468304785
status: stable
description: This rule detects use of system utilities such as "find", "tree", "findmnt", etc, to discover files, directories and network shares.
references:
    - https://attack.mitre.org/techniques/T1083/
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1083/T1083.md
author: Huntrule Team
date: 2026-05-30
tags:
    - attack.discovery
    - attack.t1083
logsource:
    category: process_creation
    product: linux
detection:
    selection_file_with_asterisk:
        Image|endswith: '/file'
        CommandLine|re: '(.){200,}'
    selection_recursive_ls:
        Image|endswith: '/ls'
        CommandLine|contains: '-R'
    selection_find_execution:
        Image|endswith: '/find'
    selection_tree_execution:
        Image|endswith: '/tree'
    selection_findmnt_execution:
        Image|endswith: '/findmnt'
    selection_locate_execution:
        Image|endswith: '/mlocate'
    condition: 1 of selection_*
falsepositives:
    - Unknown
level: informational