mirror of
https://github.com/LOLBAS-Project/LOLBAS
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26 lines
1.4 KiB
YAML
26 lines
1.4 KiB
YAML
---
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Name: ComputerDefaults.exe
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Description: ComputerDefaults.exe is a Windows system utility for managing default applications for tasks like web browsing, emailing, and media playback.
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Author: Eron Clarke
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Created: 2024-09-24
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Commands:
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- Command: ComputerDefaults.exe
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Description: Upon execution, ComputerDefaults.exe checks two registry values at HKEY_CURRENT_USER\Software\Classes\ms-settings\Shell\open\command; if these are set by an attacker, the set command will be executed as a high-integrity process without a UAC prompt being displayed to the user. See 'resources' for which registry keys/values to set.
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Usecase: Execute a binary or script as a high-integrity process without a UAC prompt.
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Category: UAC Bypass
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Privileges: User
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MitreID: T1548.002
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OperatingSystem: Windows 10, Windows 11
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Full_Path:
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- Path: C:\Windows\System32\ComputerDefaults.exe
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- Path: C:\Windows\SysWOW64\ComputerDefaults.exe
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Detection:
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- IOC: Event ID 10
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- IOC: A binary or script spawned as a child process of ComputerDefaults.exe
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- IOC: Changes to HKEY_CURRENT_USER\Software\Classes\ms-settings\Shell\open\command
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- Sigma: https://github.com/SigmaHQ/sigma/blob/master/rules/windows/process_creation/proc_creation_win_uac_bypass_computerdefaults.yml
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Resources:
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- Link: https://gist.github.com/havoc3-3/812547525107bd138a1a839118a3a44b
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Acknowledgement:
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- Person: Eron Clarke
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