How To Detect libflutter.so Exploits in Android Apps Using AI

Last updated August 9, 2026 by Appdome

This Knowledge Base article describes how to use Appdome’s AI in your CI/CD pipeline to continuously deliver plugins that Detect libflutter.so in Android apps.

What are libflutter.so Exploits?

libflutter.so is a native library containing the Flutter engine used by Flutter applications on Android. Attacks targeting or modifying this library can be used to manipulate Flutter runtime behavior or facilitate analysis and tampering with the application.

How Appdome Detects libflutter.so Exploits?

When Secure Flutter Apps is enabled, Appdome automatically protects the integrity of Flutter libraries at runtime. Appdome detects unauthorized modifications or integrity violations affecting libflutter.so and can respond according to the configured security policy.

Prerequisites for Using Appdome's Detect libflutter.so Plugins:

To use Appdome’s mobile app security build system to Detect libflutter.so , you’ll need:

How to Implement Detect libflutter.so in Android Apps Using Appdome

On Appdome, follow these simple steps to create self-defending Android Apps that Detect libflutter.so without an SDK or gateway:

  1. Designate the Mobile App to be protected.

    1. Upload an app via the Appdome Mobile Defense platform GUI or via Appdome’s DEV-API or CI/CD Plugins.

    2. Android Formats: .apk or .aab
    3. Detect libflutter.so is compatible with: Flutter apps on Android.
  2. Select the defense: Detect libflutter.so.

      1. Create and name the Fusion Set (security template) that will contain the Detect libflutter.so feature as shown below:
        fusion set that contains Detect libflutter.so

        Figure 1: Fusion Set that will contain the Detect libflutter.so feature

      2. Follow the steps in Sections 2.2-2.2.2 of this article to add the Detect libflutter.so feature to your Fusion Set via the Appdome Console.

      3. When you enable Secure Flutter Apps you'll notice that the Fusion Set you created in step 2.1 now bears the icon of the protection category that contains Detect libflutter.so.

        Fusion Set applied Detect libflutter.so

        Figure 2: Fusion Set that displays the newly added Detect libflutter.so protection
        Note: Annotating the Fusion Set to identify the protection(s) selected is optional only (not mandatory).

      4. Open the Fusion Set Detail Summary by clicking the “...” symbol on the far-right corner of the Fusion Set. Copy the Fusion Set ID from the Fusion Set Detail Summary (as shown below): fusion Set Detail Summary image

        Figure 3: Fusion Set Detail Summary

      5. Follow the instructions below to use the Fusion Set ID inside any standard mobile DevOps or CI/CD toolkit like Bitrise, Jenkins, Travis, Team City, Circle CI or other system:
        1. Refer to the Appdome API Reference Guide for API building instructions.
        2. Look for sample APIs in Appdome’s GitHub Repository.
    1. Add the Detect libflutter.so feature to your security template.

      1. Navigate to Build > Anti Fraud tab > Mobile Cheat Prevention section in the Appdome Console.
      2. Toggle On Secure Flutter Apps > Detect libflutter.so.
        Note: The checkmark feature Detect libflutter.so is enabled by default, as shown below. Detect libflutter.so option

        Figure 4: Selecting Detect libflutter.so

        Note: The Appdome Platform displays the Mobile Operation Systems supported by each defense in real-time. For more details, see our OS Support Policy KB.

      3. Configure the User Experience Options for Detect libflutter.so:
        With Threat-Events™ OFF, Appdome provides several user experience options for mobile brands and developers.
        1. App Compromise Notification: Customize the pop-up or toast Appdome uses to notify the user when a threat is present while using the protected mobile app.
        2. Short message Option. This is available for mobile devices that allow a banner notification for security events.
        3. Localized Message Option. Allows Appdome users to support global languages in security notifications.

          Localized Message

          Figure 5: Default User Experience Options for Appdome’s libflutter.so

        4. Detect libflutter.so Threat Code™. Appdome uses AI to generate a unique code each time Detect libflutter.so is triggered by an active threat on the mobile device. Use the code in Appdome Threat Resolution Center™ to help end users identify, find and resolve active threats on the personal mobile devices.
    2. Initiate the build command either by clicking Build My App at the bottom of the Build Workflow (shown in Figure 4) or via your CI/CD as described in Section 2.1.4.
    Congratulations!  The Detect libflutter.so protection is now added to the mobile app
  3. Certify the Detect libflutter.so feature in Android Apps

    After building Detect libflutter.so, Appdome generates a Certified Secure™ certificate to guarantee that the Detect libflutter.so protection has been added and is protecting the app. To verify that the Detect libflutter.so protection has been added to the mobile app, locate the protection in the Certified Secure™ certificate as shown below: Detect libflutter.so shown in Certificate secure

    Figure 6: Certified Secure™ certificate

    Each Certified Secure™ certificate provides DevOps and DevSecOps organizations the entire workflow summary, audit trail of each build, and proof of protection that Detect libflutter.so has been added to each Android app. Certified Secure provides instant and in-line DevSecOps compliance certification that Detect libflutter.so and other mobile app security features are in each build of the mobile app.

Using Threat-Events™ for libflutter.so Intelligence and Control in Android Apps

Appdome Threat-Events™ provides consumable in-app mobile app attack intelligence and defense control when libflutter.so is detected. To consume and use Threat-Events™ for libflutter.so in Android Apps, use registerReceiver in the Application OnCreate, and the code samples for Threat-Events™ for libflutter.so shown below.

The specifications and options for Threat-Events™ for libflutter.so are:

Threat-Event™ Elements Detect libflutter.so Method Detail
Appdome Feature Name Detect libflutter.so
Threat-Event Mode
OFF, IN-APP DEFENSE Appdome detects, defends and notifies user (standard OS dialog) using customizable messaging.
ON, IN-APP DETECTION Appdome detects the attack or threat and passes the event in a standard format to the app for processing (app chooses how and when to enforce).
ON, IN-APP DEFENSE Uses Appdome Enforce mode for any attack or threat and passes the event in a standard format to the app for processing (gather intel on attacks and threats without losing any protection).
Certified Secure™ Threat Event Check x
Visible in ThreatScope™ x
Developer Parameters for Detecting libflutter.so Threat-Event™
Threat-Event NAME
Threat-Event DATA reasonData
Threat-Event CODE reasonCode
Threat-Event SCORE
currentThreatEventScore Current Threat-Event score
threatEventsScore Total Threat-events score
Threat-Event Context Keys
Timestamp The exact time the threat event was triggered, recorded in milliseconds since epoch
message Message displayed for the user on event
externalID The external ID of the event which can be listened via Threat Events
osVersion OS version of the current device
deviceModel Current device model
deviceManufacturer The manufacturer of the current device
fusedAppToken The task ID of the Appdome fusion of the currently running app
kernelInfo Info about the kernel: system name, node name, release, version and machine.
carrierPlmn PLMN of the device. Only available for Android devices.
deviceID Current device ID
reasonCode Reason code of the occurred event
deviceBrand Brand of the device
deviceBoard Board of the device
buildUser Build user
buildHost Build host
sdkVersion Sdk version
threatCode The last six characters of the threat code specify the OS, allowing the Threat Resolution Center to address the attack on the affected device.

With Threat-Events™ enabled (turned ON), Android developers can get detailed attack intelligence and granular defense control in Android applications and create amazing user experiences for all mobile end users when libflutter.so is detected.


The following is a code sample for native Android apps, which uses all values in the specification above for Detect libflutter.so:


Important! Replace all placeholder instances of <Context Key> with the specific name of your threat event context key across all language examples. This is crucial to ensure your code functions correctly with the intended event data. For example, The <Context Key> could be the message, externalID, OS Version, reason code, etc.



Using Appdome, there are no development or coding prerequisites to build secured Android Apps by using Detect libflutter.so. There is no SDK and no library to code or implement in the app and no gateway to deploy in your network. All protections are built into each app and the resulting app is self-defending and self-protecting.

Releasing and Publishing Mobile Apps with Detect libflutter.so

After successfully securing your app by using Appdome, there are several available options to complete your project, depending on your app lifecycle or workflow. These include:

Related Articles:

 

How Do I Learn More?

If you have any questions, please send them our way at support.appdome.com or via the chat window on the Appdome platform.

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