Sigma rule: Use of UltraVNC Remote Access Software

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-99c356f6e019, updated 2022-10-02T00:00:00.000Z.

Rule

Title
Use of UltraVNC Remote Access Software
Status
test
Level
medium
Author
frack113
Date
2022-10-02
File
rules/windows/process_creation/proc_creation_win_ultravnc.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

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

Log source

product
windows
category
process_creation

Detection

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

False positives (as the rule lists them)

  • Legitimate use

Tags

  • attack.command-and-control
  • attack.t1219.002

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_ultravnc.yml

Sources and licences

  • SigmaHQ

    "Use of UltraVNC Remote Access Software" by frack113 (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_ultravnc.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: Use of UltraVNC Remote Access Software",
entity page, dataset version ref-99c356f6e019, updated 2022-10-02T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/145322e4-0fd3-486b-81ca-9addc75736d8 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 145322e4-0fd3-486b-81ca-9addc75736d8, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.