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T1565.002 Transmitted Data Manipulation

Adversaries may alter data en route to storage or other systems in order to manipulate external outcomes or hide activity, thus threatening the integrity of the data.21 By manipulating transmitted data, adversaries may attempt to affect a business process, organizational understanding, and decision making.

Manipulation may be possible over a network connection or between system processes where there is an opportunity deploy a tool that will intercept and change information. The type of modification and the impact it will have depends on the target transmission mechanism as well as the goals and objectives of the adversary. For complex systems, an adversary would likely need special expertise and possibly access to specialized software related to the system that would typically be gained through a prolonged information gathering campaign in order to have the desired impact.

Item Value
ID T1565.002
Sub-techniques T1565.001, T1565.002, T1565.003
Tactics TA0040
Platforms Linux, Windows, macOS
Version 1.1
Created 02 March 2020
Last Modified 19 April 2022

Procedure Examples

ID Name Description
G0082 APT38 APT38 has used DYEPACK to manipulate SWIFT messages en route to a printer.2
S0395 LightNeuron LightNeuron is capable of modifying email content, headers, and attachments during transit.6
S0530 Melcoz Melcoz can monitor the clipboard for cryptocurrency addresses and change the intended address to one controlled by the adversary.5
S0455 Metamorfo Metamorfo has a function that can watch the contents of the system clipboard for valid bitcoin addresses, which it then overwrites with the attacker’s address.34


ID Mitigation Description
M1041 Encrypt Sensitive Information Encrypt all important data flows to reduce the impact of tailored modifications on data in transit.


ID Data Source Data Component
DS0029 Network Traffic Network Traffic Content
DS0009 Process OS API Execution