Detection rules › Sigma

Use of UltraVNC Remote Access Software

Severity
medium
Author
frack113
Source
upstream

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

MITRE ATT&CK coverage

TacticTechniques
Command & ControlT1219.002 Remote Access Tools: Remote Desktop Software

Event coverage

ProviderEvent IDTitle
Sysmon1Process creation

Stages and Predicates

Stage 1: selection

or:
Company: UltraVNC
Description: VNCViewer
OriginalFileName: VNCViewer.exe
Product: 'UltraVNC VNCViewer'

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
Companyeq
  • UltraVNC
Descriptioneq
  • VNCViewer
OriginalFileNameeq
  • VNCViewer.exe
Producteq
  • UltraVNC VNCViewer