Execution DLL of Choice Using WAB.EXE

calendar Aug 17, 2023 · attack.defense_evasion attack.t1218  ·
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This rule detects that the path to the DLL written in the registry is different from the default one. Launched WAB.exe tries to load the DLL from Registry.

Sigma rule (View on GitHub)

 1title: Execution DLL of Choice Using WAB.EXE
 2id: fc014922-5def-4da9-a0fc-28c973f41bfb
 3status: test
 4description: This rule detects that the path to the DLL written in the registry is different from the default one. Launched WAB.exe tries to load the DLL from Registry.
 5references:
 6    - https://github.com/LOLBAS-Project/LOLBAS/blob/8283d8d91552213ded165fd36deb6cb9534cb443/yml/OSBinaries/Wab.yml
 7    - https://twitter.com/Hexacorn/status/991447379864932352
 8    - http://www.hexacorn.com/blog/2018/05/01/wab-exe-as-a-lolbin/
 9author: oscd.community, Natalia Shornikova
10date: 2020/10/13
11modified: 2023/08/17
12tags:
13    - attack.defense_evasion
14    - attack.t1218
15logsource:
16    category: registry_set
17    product: windows
18detection:
19    selection:
20        TargetObject|endswith: '\Software\Microsoft\WAB\DLLPath'
21    filter:
22        Details: '%CommonProgramFiles%\System\wab32.dll'
23    condition: selection and not filter
24falsepositives:
25    - Unknown
26level: high

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