Adversaries may move onto systems, possibly those on disconnected or air-gapped networks, by copying malware to removable media and taking advantage of Autorun features when the media is inserted into a system and executes. In the case of Lateral Movement, this may occur through modification of executable files stored on removable media or by copying malware and renaming it to look like a legitimate file to trick users into executing it on a separate system. In the case of Initial Access, this may occur through manual manipulation of the media, modification of systems used to initially format the media, or modification to the media's firmware itself. Mobile devices may also be used to infect PCs with malware if connected via USB.(Citation: Exploiting Smartphone USB ) This infection may be achieved using devices (Android, iOS, etc.) and, in some instances, USB charging cables.(Citation: Windows Malware Infecting Android)(Citation: iPhone Charging Cable Hack) For example, when a smartphone is connected to a system, it may appear to be mounted similar to a USB-connected disk drive. If malware that is compatible with the connected system is on the mobile device, the malware could infect the machine (especially if Autorun features are enabled).

Linked Issues

Issuelinks
Linktyp Issue
is related to Techniques
is part of Initial Access
is blocked by Disable or Remove Feature or Program
is blocked by Limit Hardware Installation
is blocked by Behavior Prevention on Endpoint
is blocked by Removable Media Execution Chain Detection via File and Process Activity
is blocked by Asset Inventories
is blocked by Secure Baseline Configurations
is blocked by Continuous Monitoring
is blocked by Media Use
is blocked by Malicious Code Protection (Anti-Malware)
is blocked by Port & Input / Output (I/O) Device Access
is blocked by Access Enforcement
is blocked by Least Privilege
is blocked by Vulnerability Scanning
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