{% hint style="success" %}
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Some applications don't like user downloaded certificates, so in order to inspect web traffic for some apps we actually have to decompile the application & add a few things & recompile it.

# Automatic

The tool [**https://github.com/shroudedcode/apk-mitm**](https://github.com/shroudedcode/apk-mitm) will **automatically** make the necessary changes to the application to start capturing the requests and will also disable certificate pinning (if any).

# Manual

First we decompile the app: `apktool d *file-name*.apk`

![](../../.gitbook/assets/img9.png)

Then we go into the **Manifest.xml** file & scroll down to the `<\application android>` tag & we are going to add the following line if it isn't already there:

`android:networkSecurityConfig="@xml/network_security_config"`

Before adding:

![](../../.gitbook/assets/img10.png)

After adding:

![](../../.gitbook/assets/img11.png)

Now go into the **res/xml** folder & create/modify a file named network\_security\_config.xml with the following contents:

```markup
<network-security-config>  
      <base-config>  
            <trust-anchors>  
                <!-- Trust preinstalled CAs -->  
                <certificates src="system" />  
                <!-- Additionally trust user added CAs -->  
                <certificates src="user" />  
           </trust-anchors>  
      </base-config>  
 </network-security-config>
```

Then save the file & back out of all the directories & rebuild the apk with the following command: `apktool b *folder-name/* -o *output-file.apk*`

![](../../.gitbook/assets/img12.png)

Finally, you need just to **sign the new application**. [Read this section of the page Smali - Decompiling/\[Modifying\]/Compiling to learn how to sign it](smali-changes.md#sing-the-new-apk).

{% hint style="success" %}
Learn & practice AWS Hacking:<img src="/.gitbook/assets/arte.png" alt="" data-size="line">[**HackTricks Training AWS Red Team Expert (ARTE)**](https://training.hacktricks.xyz/courses/arte)<img src="/.gitbook/assets/arte.png" alt="" data-size="line">\
Learn & practice GCP Hacking: <img src="/.gitbook/assets/grte.png" alt="" data-size="line">[**HackTricks Training GCP Red Team Expert (GRTE)**<img src="/.gitbook/assets/grte.png" alt="" data-size="line">](https://training.hacktricks.xyz/courses/grte)

<details>

<summary>Support HackTricks</summary>

* Check the [**subscription plans**](https://github.com/sponsors/carlospolop)!
* **Join the** 💬 [**Discord group**](https://discord.gg/hRep4RUj7f) or the [**telegram group**](https://t.me/peass) or **follow** us on **Twitter** 🐦 [**@hacktricks\_live**](https://twitter.com/hacktricks\_live)**.**
* **Share hacking tricks by submitting PRs to the** [**HackTricks**](https://github.com/carlospolop/hacktricks) and [**HackTricks Cloud**](https://github.com/carlospolop/hacktricks-cloud) github repos.

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