Potential Suspicious Activity Using SeCEdit

 1title: Potential Suspicious Activity Using SeCEdit
 2id: c2c76b77-32be-4d1f-82c9-7e544bdfe0eb
 3status: test
 4description: Detects potential suspicious behaviour using secedit.exe. Such as exporting or modifying the security policy
 5references:
 6    - https://blueteamops.medium.com/secedit-and-i-know-it-595056dee53d
 7    - https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/secedit
 8author: Janantha Marasinghe
 9date: 2022-11-18
10modified: 2022-12-30
11tags:
12    - attack.discovery
13    - attack.persistence
14    - attack.defense-evasion
15    - attack.credential-access
16    - attack.privilege-escalation
17    - attack.t1562.002
18    - attack.t1547.001
19    - attack.t1505.005
20    - attack.t1556.002
21    - attack.t1562
22    - attack.t1574.007
23    - attack.t1564.002
24    - attack.t1546.008
25    - attack.t1546.007
26    - attack.t1547.014
27    - attack.t1547.010
28    - attack.t1547.002
29    - attack.t1557
30    - attack.t1082
31logsource:
32    category: process_creation
33    product: windows
34detection:
35    selection_img:
36        - Image|endswith: '\secedit.exe'
37        - OriginalFileName: 'SeCEdit'
38    selection_flags_discovery:
39        CommandLine|contains|all:
40            - '/export'
41            - '/cfg'
42    selection_flags_configure:
43        CommandLine|contains|all:
44            - '/configure'
45            - '/db'
46    # filter:
47    #     SubjectUserName|endswith: '$'  SubjectUserName is from event ID 4719 in the Windows Security log
48    condition: selection_img and (1 of selection_flags_*)
49falsepositives:
50    - Legitimate administrative use
51level: medium