Manipulation of Control

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Manipulation of Control
Technique
ID T831
Tactic Impact

Description

Adversaries may manipulate physical process control within the industrial environment. Methods of manipulating control can include changes to set point values, tags, or other parameters. Adversaries may manipulate control systems devices or possibly leverage their own, to communicate with and command physical control processes. The duration of manipulation may be temporary or longer sustained, depending on operator detection.

Methods of Manipulation of Control include:

  • Man-in-the-middle
  • Spoof command message
  • Changing setpoints


Procedure Examples

  • Industroyer toggles breakers to the open state utilizing unauthorized command messages.1
  • Stuxnet can reprogram a PLC and change critical parameters in such a way that legitimate commands can be overridden or intercepted. In addition, Stuxnet can apply inappropriate command sequences or parameters to cause damage to property.