# iOS Application Pentesting

## iOS PT Mindmap

### Requirements

* `sudo pip install frida-tools`
* Setup [libimobiledevice](https://github.com/libimobiledevice)

### Useful

* Connect to device through usb
  * `iproxy 2222 22`
  * `ssh -p 2222 alpine/root@localhost`
* Extracting IPA from iOS
  * [frida-ios-dump](https://github.com/AloneMonkey/frida-ios-dump)

### Reversing App

* `mv APP.ipa APP.zip`
* `unzip APP.zip`
* `mv Payload/App.app/* AppFiles/`
* Analyzing `plist`, `json` files
* Dumping classes `class-dump-z APP > dump.txt`
* Reversing using Ghidra
  * [Ghidra Script](https://github.com/ghidraninja/ghidra_scripts)
* Reversing using radare2
  * [r2frida](https://github.com/nowsecure/r2frida)

### Framework

#### Flutter

* `reflutter -p file.ipa`
* `jtool.ELF64 -S App` for extracting `_kDartIsolateSnapshotInstructions`
* Use [reflutter-frida](https://github.com/Impact-I/reFlutter/blob/main/frida.js) for hooking instruction (need output reflutter and above)
  * [reflutter](https://github.com/Impact-I/reFlutter)

### Dynamic Analysis

#### SSL Pinning Bypass

* Flutter
  * [flutter-script](https://blog.nviso.eu/2022/08/18/intercept-flutter-traffic-on-ios-and-android-http-https-dio-pinning/)
  * [frida-flutter-proxy](https://github.com/hackcatml/frida-flutterproxy)
  * [burp-flutter-proxy](https://github.com/hackcatml/frida-flutterproxy)

#### Binary Instrumentation

* `frida-ps -U`
* `frida -U -n app_name -l script.js`
* `frida -U -f bundleId -l script.js`
* `frida-trace -m "*[ClassName methodName]"`
  * `frida-trace -U -f bundle_id -i "*cko*"`
  * `frida-trace -U YourApp -m "*[NSURL* *HTTP*]"`
  * \`frida-trace -U -f bundleId -m "-\[*WebView* load\*]
  * `frida-trace -U -f BundleID -m "-[*WebView* *]`
* Frida Script

```javascript
Interceptor.attach(Module.getExportByName('libc.so', 'read'), { 
	onEnter(args) { 
		this.fileDescriptor = args[0].toInt32(); 
	}, 
	onLeave(retval) { 
		if (retval.toInt32() > 0) { 
			/* do something with this.fileDescriptor */ 
		} 
	} 
});
```

* objection
  * `objection -g <bundle_id> explore`
    * `import script.js`

#### Keychain

* `objection`
  * `ios keychain dump --json keychain_dump.json`

#### ScreenMirroring

* [`uxplay`](https://github.com/antimof/UxPlay)

### Tools

* [Some Useful Tools](https://github.com/MobSF/Mobile-Security-Framework-MobSF/tree/master/mobsf/StaticAnalyzer/tools/ios)
* [grapefruit](https://github.com/ChiChou/grapefruit)
* [objection](https://github.com/sensepost/objection)
* [class-dump-z](https://mas.owasp.org/MASTG/tools/ios/MASTG-TOOL-0044/)
* [Ghidra](https://github.com/NationalSecurityAgency/ghidra)
* [Hooper](https://www.hopperapp.com/)
* [iproxy](https://mas.owasp.org/MASTG/tools/ios/MASTG-TOOL-0055/)
* [frida-cycript](https://github.com/nowsecure/frida-cycript)
* [frida-ios-dump](https://github.com/AloneMonkey/frida-ios-dump)
* [r2frida](https://github.com/nowsecure/r2frida)

### Resources

* [ios-penetration-testing-cheatsheet](https://github.com/ivan-sincek/ios-penetration-testing-cheat-sheet)
* [cycript](https://www.cycript.org/)
* [OWASP MASTG](https://github.com/OWASP/owasp-mastg)
* [Ghidra Reversing](https://github.com/ivRodriguezCA/RE-iOS-Apps/blob/master/Module-3/README.md#disassembling-and-decompiling-the-binary---ghidra)
* [iOS Tampering and Reversing OWASP MASTG](https://github.com/boblone19/OWASP-MSTG/blob/master/Document/0x06c-Reverse-Engineering-and-Tampering.md)
* [Hacktricks](https://book.hacktricks.wiki/en/mobile-pentesting/ios-pentesting/index.html)
* <https://github.com/Dado1513/frida-mobile-scripts/tree/master>
* Frida Script
  * [Frida Code Share](https://codeshare.frida.re/browse)
  * [Frida Mobile Script](https://github.com/m0bilesecurity/Frida-Mobile-Scripts/tree/master)
  * [frida.re](https://frida.re/docs/home)
  * [learnfrida.info](https://learnfrida.info)
  * [codeshare.frida.re](https://codeshare.frida.re)
  * [github.com/dweinstein/awesome-frida](https://github.com/dweinstein/awesome-frida)
  * [github.com/interference-security/frida-scripts](https://github.com/interference-security/frida-scripts)
* Flutter
  * [Flutter Proxy Openvpn](https://busk3r.medium.com/intercept-traffic-of-proxy-unaware-applications-in-burpsuite-eeb1ac329a87)
  * [Flutter Proxy Openvpn2](https://medium.com/@meshal_/pentesting-non-proxy-aware-mobile-applications-65161f62a965)


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