Sigma Rule Library

Use of UltraVNC Remote Access Software

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

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Detection logic

selection

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

Condition

selection

Raw YAML

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

False positives

  • Legitimate use

References

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