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Exfiltration Over Other Network Medium

Exfiltration could occur over a different network medium than the command and control channel. If the command and control network is a wired Internet connection, the exfiltration may occur, for example, over a WiFi connection, modem, cellular data connection, Bluetooth, or another radio frequency (RF) channel. Adversaries could choose to do this if they have sufficient access or proximity, and the connection might not be secured or defended as well as the primary Internet-connected channel because it is not routed through the same enterprise network.

ID: T1011
Tactic: Exfiltration
Platform: Linux, macOS, Windows
Data Sources: User interface, Process monitoring
Requires Network:  Yes
Contributors: Itzik Kotler, SafeBreach
Version: 1.0


Mitigation Description
Operating System Configuration Prevent the creation of new network adapters where possible.


Name Description
Flame Flame has a module named BeetleJuice that contains Bluetooth functionality that may be used in different ways, including transmitting encoded information from the infected system over the Bluetooth protocol, acting as a Bluetooth beacon, and identifying other Bluetooth devices in the vicinity. [1]


Processes utilizing the network that do not normally have network communication or have never been seen before. Processes that normally require user-driven events to access the network (for example, a mouse click or key press) but access the network without such may be malicious.

Monitor for and investigate changes to host adapter settings, such as addition and/or replication of communication interfaces.