Use of UltraVNC Remote Access Software


Description

An adversary may use legitimate desktop support and remote access software,to establish an interactive command and control channel to target systems within networks

Query · sigma

selection:
- Description: VNCViewer
- Product: UltraVNC VNCViewer
- Company: UltraVNC
- OriginalFileName: VNCViewer.exe
condition: selection

Known false positives

  • Legitimate use
Raw source Use of UltraVNC Remote Access Software · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified.
title: Use of UltraVNC Remote Access Software
id: 145322e4-0fd3-486b-81ca-9addc75736d8
status: test
description: 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://github.com/redcanaryco/atomic-red-team/blob/9e5b12c4912c07562aec7500447b11fa3e17e254/atomics/T1219/T1219.md
author: frack113
date: 2022-10-02
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:
    - Legitimate use
level: medium

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