File or Folder Permissions Change

 1title: File or Folder Permissions Change
 2id: 74c01ace-0152-4094-8ae2-6fd776dd43e5
 3status: test
 4description: Detects file and folder permission changes.
 5references:
 6    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1222.002/T1222.002.md
 7author: Jakob Weinzettl, oscd.community
 8date: 2019-09-23
 9modified: 2021-11-27
10tags:
11    - attack.defense-evasion
12    - attack.t1222.002
13logsource:
14    product: linux
15    service: auditd
16detection:
17    selection:
18        type: 'EXECVE'
19        a0|contains:
20            - 'chmod'
21            - 'chown'
22    condition: selection
23falsepositives:
24    - User interacting with files permissions (normal/daily behaviour).
25level: low

References

• atomic-red-team/atomics/T1222.002/T1222.002.md at f339e7da7d05f6057fdfcdd3742bfcf365fee2a9 · redcanaryco/atomic-red-team

  

  Small and highly portable detection tests based on MITRE's ATT&CK. - redcanaryco/atomic-red-team

  
  Read More

Related rules

• Chmod Suspicious Directory
• Remove Immutable File Attribute
• Remove Immutable File Attribute - Auditd
• AD Object WriteDAC Access
• ADS Zone.Identifier Deleted By Uncommon Application