T0869 Standard Application Layer Protocol

ICS

Adversaries may establish command and control capabilities over commonly used application layer protocols such as HTTP(S), OPC, RDP, telnet, DNP3, and modbus. These protocols may be used to disguise adversary actions as benign network traffic. Standard protocols may be seen on their associated port or in some cases over a non-standard port. Adversaries may use these protocols to reach out of the network for command and control, or in some cases to other infected devices within the network.

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platforms

Platforms this applies to.

EmbeddedWindowsLinuxNetwork Devices
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sub-techniques (2)

More specific entries beneath this one.

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mitigations

ATT&CK mitigations that reduce this.

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groups (1)

Threat groups associated with this.

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software (6)

Malware and tools associated with this.

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source

Where this definition is published.