UAC Bypass Via Wsreset

calendar Jun 21, 2023 · attack.defense_evasion attack.privilege_escalation attack.t1548.002  ·
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Unfixed method for UAC bypass from Windows 10. WSReset.exe file associated with the Windows Store. It will run a binary file contained in a low-privilege registry.

Sigma rule (View on GitHub)

 1title: UAC Bypass Via Wsreset
 2id: 6ea3bf32-9680-422d-9f50-e90716b12a66
 3status: test
 4description: Unfixed method for UAC bypass from Windows 10. WSReset.exe file associated with the Windows Store. It will run a binary file contained in a low-privilege registry.
 5references:
 6    - https://www.bleepingcomputer.com/news/security/trickbot-uses-a-new-windows-10-uac-bypass-to-launch-quietly
 7    - https://lolbas-project.github.io/lolbas/Binaries/Wsreset
 8author: oscd.community, Dmitry Uchakin
 9date: 2020/10/07
10modified: 2021/11/27
11tags:
12    - attack.defense_evasion
13    - attack.privilege_escalation
14    - attack.t1548.002
15logsource:
16    category: registry_event
17    product: windows
18detection:
19    selection:
20        TargetObject|endswith: '\AppX82a6gwre4fdg3bt635tn5ctqjf8msdd2\Shell\open\command'
21    condition: selection
22fields:
23    - ComputerName
24    - Image
25    - EventType
26    - TargetObject
27falsepositives:
28    - Unknown
29level: high

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