Windows Defender Exploit Guard Tamper

 1title: Windows Defender Exploit Guard Tamper
 2id: a3ab73f1-bd46-4319-8f06-4b20d0617886
 3status: test
 4description: |
 5        Detects when someone is adding or removing applications or folders from exploit guard "ProtectedFolders" or "AllowedApplications"
 6references:
 7    - https://techcommunity.microsoft.com/t5/core-infrastructure-and-security/windows-10-controlled-folder-access-event-search/ba-p/2326088
 8author: Nasreddine Bencherchali (Nextron Systems)
 9date: 2022/08/05
10modified: 2022/12/06
11tags:
12    - attack.defense_evasion
13    - attack.t1562.001
14logsource:
15    product: windows
16    service: windefend
17detection:
18    allowed_apps_key:
19        EventID: 5007 # The antimalware platform configuration changed.
20        NewValue|contains: '\Windows Defender\Windows Defender Exploit Guard\Controlled Folder Access\AllowedApplications\'
21    allowed_apps_path:
22        NewValue|contains:
23            # Add more paths you don't allow in your org
24            - '\Users\Public\'
25            - '\AppData\Local\Temp\'
26            - '\Desktop\'
27            - '\PerfLogs\'
28            - '\Windows\Temp\'
29    protected_folders:
30        EventID: 5007 # The antimalware platform configuration changed.
31        # This will trigger on any folder removal. If you experience FP's then add another selection with specific paths
32        OldValue|contains: '\Windows Defender\Windows Defender Exploit Guard\Controlled Folder Access\ProtectedFolders\'
33    condition: all of allowed_apps* or protected_folders
34falsepositives:
35    - Unlikely
36level: high