Enable Microsoft Dynamic Data Exchange

 1title: Enable Microsoft Dynamic Data Exchange
 2id: 63647769-326d-4dde-a419-b925cc0caf42
 3status: test
 4description: Enable Dynamic Data Exchange protocol (DDE) in all supported editions of Microsoft Word or Excel.
 5references:
 6    - https://msrc.microsoft.com/update-guide/vulnerability/ADV170021
 7author: frack113
 8date: 2022/02/26
 9modified: 2023/08/17
10tags:
11    - attack.execution
12    - attack.t1559.002
13logsource:
14    category: registry_set
15    product: windows
16detection:
17    selection_word:
18        TargetObject|endswith: '\Word\Security\AllowDDE'
19        Details:
20            - 'DWORD (0x00000001)'
21            - 'DWORD (0x00000002)'
22    selection_excel:
23        TargetObject|endswith:
24            - '\Excel\Security\DisableDDEServerLaunch'
25            - '\Excel\Security\DisableDDEServerLookup'
26        Details: 'DWORD (0x00000000)'
27    condition: 1 of selection_*
28falsepositives:
29    - Unknown
30level: medium