Suspicious Use of VSIISExeLauncher.exe (via process_creation)

This rule detects the "VSIISExeLauncher.exe" binary part of the Visual Studio/VS Code can be leveraged to execute arbitrary binaries

SigmamediumWindowsv1
sigma
title: Suspicious Use of VSIISExeLauncher.exe (via process_creation)
id: a86ec862-721b-559f-a2c8-98d31edad79c
status: stable
description: This rule detects the "VSIISExeLauncher.exe" binary part of the Visual Studio/VS Code can be leveraged to execute arbitrary binaries
references:
    - https://attack.mitre.org/techniques/T1127/
    - https://lolbas-project.github.io/lolbas/OtherMSBinaries/VSIISExeLauncher/
author: Huntrule Team
date: 2026-05-13
tags:
    - attack.execution
    - attack.stealth
    - attack.t1127
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\VSIISExeLauncher.exe'
        - OriginalFileName: 'VSIISExeLauncher.exe'
    selection_cli:
        CommandLine|contains:
            - ' -p '
            - ' -a '
    condition: all of selection*
falsepositives:
    - Unknown
level: medium

Known false positives

  • Unknown

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.