Suspicious Use of UltraVNC Remote Access Software (via process_creation)

title: Suspicious Use of UltraVNC Remote Access Software (via process_creation)
id: c4f04e18-da4b-5569-bbe8-01ad4c0cdb74
status: stable
description: This rule detects an adversary may use legitimate desktop support and remote access software,to establish an interactive command and control channel to target systems within networks
references:
    - https://attack.mitre.org/techniques/T1219/002/
    - https://github.com/redcanaryco/atomic-red-team/blob/9e5b12c4912c07562aec7500447b11fa3e17e254/atomics/T1219/T1219.md
author: Huntrule Team
date: 2026-07-28
tags:
    - attack.command-and-control
    - attack.t1219.002
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        - Description: VNCViewer
        - Product: UltraVNC VNCViewer
        - Company: UltraVNC
        - OriginalFileName: VNCViewer.exe
    condition: selection
falsepositives:
    - Unknown
level: medium