sigmamediumHunting

Install New Package Via Winget Local Manifest

Detects usage of winget to install applications via manifest file. Adversaries can abuse winget to download payloads remotely and execute them. The manifest option enables you to install an application by passing in a YAML file directly to the client. Winget can be used to download and install exe, msi or msix files later.

MITRE ATT&CK

T1059

defense-evasionexecution

Detection Query

selection_img:
  - Image|endswith: \winget.exe
  - OriginalFileName: winget.exe
selection_install_flag:
  CommandLine|contains:
    - install
    - " add "
selection_manifest_flag:
  CommandLine|contains:
    - "-m "
    - --manifest
condition: all of selection_*

Author

Sreeman, Florian Roth (Nextron Systems), frack113

Created

2020-04-21

Data Sources

windowsProcess Creation Events

Platforms

windows

References

Tags

attack.defense-evasionattack.executionattack.t1059

Raw Content

title: Install New Package Via Winget Local Manifest
id: 313d6012-51a0-4d93-8dfc-de8553239e25
status: test
description: |
    Detects usage of winget to install applications via manifest file. Adversaries can abuse winget to download payloads remotely and execute them.
    The manifest option enables you to install an application by passing in a YAML file directly to the client.
    Winget can be used to download and install exe, msi or msix files later.
references:
    - https://learn.microsoft.com/en-us/windows/package-manager/winget/install#local-install
    - https://lolbas-project.github.io/lolbas/Binaries/Winget/
    - https://github.com/nasbench/Misc-Research/tree/b9596e8109dcdb16ec353f316678927e507a5b8d/LOLBINs/Winget
author: Sreeman, Florian Roth (Nextron Systems), frack113
date: 2020-04-21
modified: 2023-04-17
tags:
    - attack.defense-evasion
    - attack.execution
    - attack.t1059
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\winget.exe'
        - OriginalFileName: 'winget.exe'
    selection_install_flag:
        CommandLine|contains:
            - 'install'
            - ' add ' # https://github.com/microsoft/winget-cli/blob/02d2f93807c9851d73eaacb4d8811a76b64b7b01/src/AppInstallerCLICore/Commands/InstallCommand.h
    selection_manifest_flag:
        CommandLine|contains:
            - '-m '
            - '--manifest'
    condition: all of selection_*
falsepositives:
    - Some false positives are expected in some environment that may use this functionality to install and test their custom applications
level: medium