Nasreddine Bencherchali
30 lines
898 B
YAML
30 lines
898 B
YAML
title: Remove Immutable File Attribute - Auditd
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id: a5b977d6-8a81-4475-91b9-49dbfcd941f7
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status: test
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description: Detects removing immutable file attribute.
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references:
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- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1222.002/T1222.002.md
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author: Jakob Weinzettl, oscd.community
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date: 2019-09-23
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modified: 2022-11-26
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tags:
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- attack.defense-impairment
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- attack.t1222.002
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logsource:
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product: linux
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service: auditd
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detection:
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selection:
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type: 'EXECVE'
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a0|contains: 'chattr'
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a1|contains: '-i'
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condition: selection
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falsepositives:
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- Administrator interacting with immutable files (e.g. for instance backups).
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level: medium
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simulation:
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- type: atomic-red-team
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name: Remove immutable file attribute
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technique: T1222.002
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atomic_guid: e7469fe2-ad41-4382-8965-99b94dd3c13f
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