sigmamediumHunting

Potential Binary Proxy Execution Via VSDiagnostics.EXE

Detects execution of "VSDiagnostics.exe" with the "start" command in order to launch and proxy arbitrary binaries.

MITRE ATT&CK

defense-evasion

Detection Query

selection_img:
  - Image|endswith: \VSDiagnostics.exe
  - OriginalFileName: VSDiagnostics.exe
selection_cli_start:
  CommandLine|contains: start
selection_cli_launch:
  CommandLine|contains:
    - " /launch:"
    - " -launch:"
condition: all of selection_*

Author

Nasreddine Bencherchali (Nextron Systems)

Created

2023-08-03

Data Sources

windowsProcess Creation Events

Platforms

windows

References

https://twitter.com/0xBoku/status/1679200664013135872

Tags

attack.defense-evasionattack.t1218

Raw Content

title: Potential Binary Proxy Execution Via VSDiagnostics.EXE
id: ac1c92b4-ac81-405a-9978-4604d78cc47e
status: test
description: Detects execution of "VSDiagnostics.exe" with the "start" command in order to launch and proxy arbitrary binaries.
references:
    - https://twitter.com/0xBoku/status/1679200664013135872
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-08-03
tags:
    - attack.defense-evasion
    - attack.t1218
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\VSDiagnostics.exe'
        - OriginalFileName: 'VSDiagnostics.exe'
    selection_cli_start:
        CommandLine|contains: 'start'
    selection_cli_launch:
        CommandLine|contains:
            - ' /launch:'
            - ' -launch:'
    condition: all of selection_*
falsepositives:
    - Legitimate usage for tracing and diagnostics purposes
level: medium