// MITRE ATT&CK
T1021.005 · VNC
Sub-technique of T1021 · Remote Services.
Adversaries may use [Valid Accounts](https://attack.mitre.org/techniques/T1078) to remotely control machines using Virtual Network Computing (VNC). VNC is a platform-independent desktop sharing system that uses the RFB (“remote framebuffer”) protocol to enable users to remotely control another ...
How to detect & mitigate it
Detecting VNC starts with your SIEM/EDR telemetry. Write a detection rule with the Sigma generator, analyze suspicious logs in the log analyzer, and place the technique on your coverage with the ATT&CK matrix.
Related techniques
T1080
Taint Shared Content T1021.004
SSH T1091
Replication Through Removable Media T1021.008
Direct Cloud VM Connections T1563.001
SSH Hijacking T1021.002
SMB/Windows Admin Shares T1550
Use Alternate Authentication Material T1021
Remote Services
Taint Shared Content T1021.004
SSH T1091
Replication Through Removable Media T1021.008
Direct Cloud VM Connections T1563.001
SSH Hijacking T1021.002
SMB/Windows Admin Shares T1550
Use Alternate Authentication Material T1021
Remote Services
Source: MITRE ATT&CK®. ATT&CK is a registered trademark of The MITRE Corporation. Content for educational purposes.