86 lines
5.6 KiB
Markdown
86 lines
5.6 KiB
Markdown
# MBCPApp Patcher for MB Bank
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Lightweight "open source" tool for patching MB Bank Flutter (Android) app for rooted user, mostly written in Bash, made possible by [Cuynu](https://gitlab.com/cuynu) (as a loser) with love <3
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<img src="https://gitlab.com/mbcp/mbbpatch/-/raw/mbflutter/MBCPApp/mbcpicons/summer2025/mipmap-hdpi/ic_launcher_round.png?ref_type=heads&inline=false" style="width: 72px;" alt="2025_logo">
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- Licensed as MIT License : [View license.](https://gitlab.com/cuynu/mbbpatch/-/blob/mbflutter/LICENSE)
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## Introduction
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- [MBCP (MBBank CorePatch)](https://t.me/mbbpatch) are closed source before, and many people don't like it cuz worry about security & privacy issues.
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- In order to support community and make MBCP open source, We spend days to rewritten whole `MBCPApp` patches in Bash and open it so you can patch it yourself on (Bare metal, not WSL) Linux environment (where we used to patch `MBCP`)
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## Patches list :
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### [📦 `MB Bank : com.mbmobile`](https://t.me/embeeapks)
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<details>
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| ⚙️ Patch | 📜 Description | 🏦 Suggested version |
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|:--------:|:--------------:|:-----------------:|
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| `Autopatch strings` | Modify the strings in-app within `libapp.so`, and also fixes some translation typo in-app. | v6.4.0 ~ v6.4.54 |
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| `Change app logo` | Change the app logo with set of icons. | v6.4.0 ~ v6.4.54 |
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| `Force portrait screen` | Force the screen always portrait on app, espcially when launching. | v6.4.0 ~ v6.4.54 |
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| `Remove invoke to mbshield` | Make app don't invoke to mbshield when opening (MainActivity) and (MBBHomeWidgetQR) only | v6.4.22 ~ v6.4.54 |
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| `Remove bulit-in fonts` | Remove app font and force to use device font for most app components. | v6.4.0 ~ v6.4.54 |
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| `Modify app theme` | Modify the app theme in app from original one to others. Currently have MBClassic and SemiPriority. | v6.4.30 ~ v6.4.54 |
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| `Remove garbage permission and activities` | Removes tracking permission & activities from app. | v6.4.0 ~ v6.4.54 |
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| `Remove eMBee` | Removes eMBee options in app, alongside with Customer support. | v6.4.0 ~ v6.4.54 |
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| `Revert old eMBee logo` | Revert old eMBee logo, specially on product consultation options. | v6.4.53 ~ v6.4.54 |
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| `Remove animated QR background` | Remove the animated QR background on bottom navigation bar and replace with white background. | v6.4.40 ~ v6.4.54 |
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| `Remove banner & MiniApp` | Removes the banner and MiniApp on `homeLanding` page when logged in. | v6.4.0 ~ v6.4.54 |
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| `Bypass accessibility & malicious apps check` | Remove the restriction of using the app when an app using accessibility service or "malicious apps" like (HideMyAppList) installed. | v6.4.25 ~ v6.4.54 |
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| `Hide VTAP root detection activity & dialog` | Hide the old root detection screen and dialog showing "Device is rooted". | v6.4.0 ~ v6.4.54 |
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| `Remove new root detection` | Remove the new Zimperium (ZDefend) root detection from app. | v6.4.15 ~ v6.4.54 |
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| `Add modified resources` | Adds the specific strings for MBCP on eKYC phase, and modify the DigiBank logo. | v6.4.0 ~ v6.4.54 |
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| `Bypass signature check` | Not implemented | v6.4.0 ~ v6.4.21 |
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| `Bypass 1200 error` | Workaround for 1200 error that happening on original MB app with specific version, now discontinued. | v6.4.45 |
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</details>
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## Requirements
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- Actual Linux environment (not on virtualized environment like WSL) and any compatible distro (Arch Linux based recommended)
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- Little knowledge about `bash` commands
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- `git` installed
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- `java` or `jdk-openjdk` installed
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## Usage
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- Go to home directory, then clone repository first
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```
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cd ~
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git clone https://gitlab.com/cuynu/mbbpatch.git
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cd ~/mbbpatch/MBCPApp
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```
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- Since MB Bank are now using split APK (*.apks) since `v5.3 (135)` so you have to convert it to regular APK first
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- Grab MB Bank apks from [eMBee APKs](https://t.me/embeeapks) and copy it to `~/mbbpatch/MBCPApp/mbapk`
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- Run bash `mbcpapp.sh` script
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```
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cd ~/mbbpatch/MBCPApp
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./mbcpapp.sh
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```
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- Download necessary tools first with `Download tools` function (otherwise other function with unlikely to work!)
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- Convert apks to apk first using `Convert apks to apk` function
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- Unpack apk with `Unpack apk` function
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- Check if MBShield present on unpacked APK with `Check MBShield` function
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(if MBShield present then you have to extract assets from Android device with `Extract assets [ROOT]`)
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- After extracted assets (if MBShield present), use `Patch App` function and select the patches you want to apply to unpacked app
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- When done, use `Repack APK` function to recompile apk (You must have Android device connected with debugging mode enabled!)
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- Output will be `MBCP_Flutter.zip` on `~/mbbpatch/MBCPApp/mbcpapp_apk/` and `mbsig.apk` will be copied to Android internal storage
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- Use [MT Manager](https://mt2.cn/), put all files inside `MBCP_Flutter.zip` to `mbsig.apk` and untick `AUTO SIGN`
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- Install it to your device (requires [MBCP Helper](https://gitlab.com/cuynu/mbcp-helper/-/releases) / [CorePatch](https://github.com/lsposed/corepatch/releases) ) due to unsigned APK
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- Profit :)
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## TODO
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- bypass `EKYC3002-MS6998` error on some specific device with custom ROMs
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- fully implement `Bypass signature check` function
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## External projects
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MBCPApp Patcher project won't be possible without those external projects !!
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- [apktool](https://github.com/iBotPeaches/Apktool)
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- [APKEditor](https://github.com/REAndroid/APKEditor/)
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- [MT Manager](https://mt2.cn/) to handle APK signature scheme v2/v3
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