t1516-input-injection

name	T1516_input-injection
description	A malicious application can inject input to the user interface to mimic user interaction through the abuse of Android's accessibility APIs.
category	configuration
version	18.1
author	cyberstrike-official
tags	["mitre-attack","mobile","t1516","defense-evasion","impact","android"]
technique_id	T1516
tactic	defense-evasion
all_tactics	["defense-evasion","impact"]
platforms	["Android"]
mitre_url	https://attack.mitre.org/techniques/T1516
tech_stack	["android"]
cwe_ids	["CWE-693"]
chains_with	[]
prerequisites	[]
severity_boost	{}

T1516 Input Injection

High-Level Description

A malicious application can inject input to the user interface to mimic user interaction through the abuse of Android's accessibility APIs.

Input Injection can be achieved using any of the following methods:

• Mimicking user clicks on the screen, for example to steal money from a user's PayPal account.
• Injecting global actions, such as GLOBAL_ACTION_BACK (programatically mimicking a physical back button press), to trigger actions on behalf of the user.
• Inserting input into text fields on behalf of the user. This method is used legitimately to auto-fill text fields by applications such as password managers.

Kill Chain Phase

• Defense Evasion (TA0030)
• Impact (TA0034)

Platforms: Android

What to Check

• Identify if Input Injection technique is applicable to target mobile environment
• Check Android devices for indicators of Input Injection
• Verify mitigations are bypassed or absent (2 known mitigations)
• Assess detection coverage (1 detection strategies)

How to Test

Identify Attack Surface

Determine if the target mobile environment is susceptible to Input Injection by examining the target platforms (Android).

Assess Existing Defenses

Review whether mitigations for T1516 are in place. If defenses are absent or misconfigured, this technique may be exploitable.

Remediation Guide

M1011 User Guidance

Users should be warned against granting access to accessibility features, and to carefully scrutinize applications that request this dangerous permission.

M1012 Enterprise Policy

An EMM/MDM can use the Android DevicePolicyManager.setPermittedAccessibilityServices method to set an explicit list of applications that are allowed to use Android's accessibility features.

Detection

Detection of Input Injection

Risk Assessment

Finding	Severity	Impact
Input Injection technique applicable	High	Defense Evasion

CWE Categories