Synopsis
Activation Period |
14 Days |
Training Period |
30 Days |
Test Period |
N/A (single event) |
Deduplication Period |
1 Day |
Required Data |
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Detection Modules |
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Detector Tags |
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ATT&CK Tactic |
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ATT&CK Technique |
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Severity |
Low |
Description
An uncommon VNC Server network traffic was observed.
Attacker's Goals
- Accessing a remote machine with full interactive graphic interface capabilities.
Investigative actions
- Check if the product usage is approved.
- Check if it was executed remotely or locally.
Variations
Uncommon VNC scanning activity detected from a scanning tool
Synopsis
ATT&CK Tactic |
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ATT&CK Technique |
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Severity |
Medium |
Description
An uncommon VNC scanning network traffic was observed from a scanning tool.
Attacker's Goals
- Accessing a remote machine with full interactive graphic interface capabilities.
Investigative actions
- Check if the product usage is approved.
- Check if it was executed remotely or locally.
Uncommon VNC server communication from an unmanaged previously unseen external host
Synopsis
ATT&CK Tactic |
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ATT&CK Technique |
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Severity |
Low |
Description
An uncommon VNC Server network traffic was observed from an unmanaged previously unseen external host.
Attacker's Goals
- Accessing a remote machine with full interactive graphic interface capabilities.
Investigative actions
- Check the external client's IP address.
- Check if the product usage is approved.
- Check if it was executed remotely or locally.
Partially uncommon VNC server communication
Synopsis
ATT&CK Tactic |
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ATT&CK Technique |
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Severity |
Informational |
Description
A partially uncommon VNC Server network traffic was observed.
Attacker's Goals
- Accessing a remote machine with full interactive graphic interface capabilities.
Investigative actions
- Check if the product usage is approved.
- Check if it was executed remotely or locally.
Uncommon VNC server connection
Synopsis
ATT&CK Tactic |
|
ATT&CK Technique |
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Severity |
Informational |
Description
An uncommon VNC Server network connection was observed.
Attacker's Goals
- Accessing a remote machine with full interactive graphic interface capabilities.
Investigative actions
- Check if the product usage is approved.
- Check if it was executed remotely or locally.