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T1639 Exfiltration Over Alternative Protocol

Adversaries may steal data by exfiltrating it over a different protocol than that of the existing command and control channel. The data may also be sent to an alternate network location from the main command and control server.

Alternate protocols include FTP, SMTP, HTTP/S, DNS, SMB, or any other network protocol not being used as the main command and control channel. Different protocol channels could also include Web services such as cloud storage. Adversaries may opt to also encrypt and/or obfuscate these alternate channels.

Item Value
ID T1639
Sub-techniques T1639.001
Tactics TA0036
Platforms Android, iOS
Version 1.0
Created 06 April 2022
Last Modified 29 April 2022

Procedure Examples

ID Name Description
S1056 TianySpy TianySpy can exfiltrate collected user data, including credentials and authorized cookies, via email.1