SigmaHQ/rules/windows/process_creation/win_file_permission_modifications.yml
Thomas Patzke 373424f145 Rule fixes
Made tests pass the new CI tests. Added further allowed lower case words
in rule test.
2020-02-20 23:00:16 +01:00

33 lines
905 B
YAML

title: File or Folder Permissions Modifications
id: 37ae075c-271b-459b-8d7b-55ad5f993dd8
status: experimental
description: Detects a file or folder permissions modifications
references:
- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1222/T1222.yaml
author: Jakob Weinzettl, oscd.community
date: 2019/10/23
modified: 2019/11/08
tags:
- attack.defense_evasion
- attack.t1222
logsource:
category: process_creation
product: windows
detection:
selection:
- Image|endswith:
- '\takeown.exe'
- '\cacls.exe'
- '\icacls.exe'
CommandLine|contains: '/grant'
- Image|endswith: '\attrib.exe'
CommandLine|contains: '-r'
condition: selection
fields:
- ComputerName
- User
- CommandLine
falsepositives:
- Users interacting with the files on their own (unlikely unless power users)
level: medium