yugoslavskiy
23 lines
615 B
YAML
23 lines
615 B
YAML
title: Remove immutable file attribute
|
|
description: Detects removing immutable file attribute
|
|
status: experimental
|
|
tags:
|
|
- attack.defense_evasion
|
|
- attack.t1222
|
|
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 interracting with immutable files (for instance backups)
|
|
level: medium
|
|
references:
|
|
- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1222/T1222.yaml
|