Use of VSIISExeLauncher.exe — Sigma Rule

Rule metadata and linked tags

Author: Nasreddine Bencherchali (Nextron Systems). Source status: test; severity: medium. Source dates: 2022-06-09 / not supplied.

{
  "category": "process_creation",
  "product": "windows"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 349570b737aab4ad49401502b8efb22132fcf7e53d96ab6bc60fbaf3458977d8

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Use of VSIISExeLauncher.exe
id: 18749301-f1c5-4efc-a4c3-276ff1f5b6f8
status: test
description: The "VSIISExeLauncher.exe" binary part of the Visual Studio/VS Code can be used to execute arbitrary binaries
references:
    - https://lolbas-project.github.io/lolbas/OtherMSBinaries/VSIISExeLauncher/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-06-09
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

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://lolbas-project.github.io/lolbas/OtherMSBinaries/VSIISExeLauncher/