mirror of
https://github.com/LOLBAS-Project/LOLBAS
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32 lines
1.5 KiB
YAML
32 lines
1.5 KiB
YAML
---
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Name: Eventvwr.exe
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Description: Displays Windows Event Logs in a GUI window.
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Author: 'Jacob Gajek'
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Created: '2018-11-01'
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Commands:
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- Command: eventvwr.exe
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Description: During startup, eventvwr.exe checks the registry value HKCU\Software\Classes\mscfile\shell\open\command for the location of mmc.exe, which is used to open the eventvwr.msc saved console file. If the location of another binary or script is added to this registry value, it will be executed as a high-integrity process without a UAC prompt being displayed to the user.
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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: T1088
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MitreLink: https://attack.mitre.org/wiki/Technique/T1088
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OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10
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Full_Path:
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- Path: C:\Windows\System32\eventvwr.exe
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- Path: C:\Windows\SysWOW64\eventvwr.exe
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Code Sample:
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- Code: https://github.com/enigma0x3/Misc-PowerShell-Stuff/blob/master/Invoke-EventVwrBypass.ps1
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Detection:
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- IOC: eventvwr.exe launching child process other than mmc.exe
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- IOC: Creation or modification of the registry value HKCU\Software\Classes\mscfile\shell\open\command
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Resources:
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- Link: https://enigma0x3.net/2016/08/15/fileless-uac-bypass-using-eventvwr-exe-and-registry-hijacking/
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- Link: https://github.com/enigma0x3/Misc-PowerShell-Stuff/blob/master/Invoke-EventVwrBypass.ps1
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Acknowledgement:
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- Person: Matt Nelson
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Handle: '@enigma0x3'
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- Person: Matt Graeber
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Handle: '@mattifestation'
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---
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