libbagbak

The library port of bagbak. The version will be updated as bagbak updates, and all thanks should be go for the bagbak contributors.

• 📦 Bundling ready
• ✨ Fully typed

Usage

Warning This library only supports ESM format.

You can try out the following example after cloning this repository via pnpm ts-node-esm ./example/index.js after connecting Frida device via USB.

import {useUsbDevice} from 'libbagbak/device.js';
import {pull} from 'libbagbak';

(async () => {
	const device = await useUsbDevice();

	for (let i = 0; i < 5; i++) {
		const hasFailed = await pull(device, {
			hint: 'com.nexon.bluearchive',
			outdir: './dump',
			useExtensions: true,
			useColdBootedApplication: true,
		})
			.catch(error => {
				console.error(error);

				return true;
			});

		if (!hasFailed) {
			break;
		}
	}
})();

The pull function takes Frida Device and options to pull out decrypted application from the device. In the output directory, you'll see the following directory structure: {outdir}/Payload/{applicationName}/.

See the followings for the options:

Pulling options

• hint (string) The application bundle identifier. (Example: com.8bit.bitwarden, com.nexon.bluearchive)
• outdir (string) The output directory.
• useExtensions (boolean) true if you want to decrypt extensions. (Optional, Default: true)
• useColdBootedApplication (boolean) true if you want to kill the target application if already opened. (Optional, Default: true)

Exporting as IPA

The IPA file format is basically same as zip. You can use adm-zip for zipping on Node.JS.

We won't handle zipping it on here to make the library portable.

Development

We match the original bagbak version and use submodules for code access. See scripts/build.sh for more information how libbagbak references bagbak's code.

License

The license of this project is same with the original repository (bagbak), and distributed under MIT license.