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blue-team-tools/rules/linux/lnx_chattr_immutable_removal.yml
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2020-08-04 19:48:18 +03:00

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YAML

title: Remove Immutable File Attribute
id: a5b977d6-8a81-4475-91b9-49dbfcd941f7
description: Detects removing immutable file attribute
status: experimental
tags:
- attack.defense_evasion
- attack.t1222.002
author: Jakob Weinzettl, oscd.community
date: 2019/09/23
logsource:
product: linux
service: auditd
detection:
selection:
type: 'EXECVE'
a0|contains: 'chattr'
a1|contains: '-i'
condition: selection
falsepositives:
- Administrator interacting with immutable files (for instance backups)
level: medium
references:
- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1222.002/T1222.002.yaml