Update IPA Installation Techniques and Tools (by @NVISOSecurity) #3100

TheDauntless · 2024-12-26T13:02:01Z

A cleanup of all the iOS signing / installing / running in debug mode.

I tried to be pragmatic, focussing on different techniques that work (I tested all of them, it was not a fun day) and also focussing on modern solutions rather than keep holding on to outdated ones.

This fixes #3090

sushi2k

Great content @TheDauntless! Also the warnings/tips for AppSync and libimobiledevice are spot on! I've reviewed the tools, planning to do the rest today or tomorrow.

tools/ios/MASTG-TOOL-0055.md

tools/ios/MASTG-TOOL-0118.md

tools/ios/MASTG-TOOL-0055.md

tools/ios/MASTG-TOOL-0126.md

tools/ios/MASTG-TOOL-0127.md

Co-authored-by: Sven <[email protected]>

TheDauntless · 2024-12-30T11:02:57Z

Thanks for the review so far!

sushi2k

@TheDauntless reviewed more techniques, but not done yet. Thanks for the nice summary!

techniques/ios/MASTG-TECH-0055.md

tools/ios/MASTG-TOOL-0055.md

techniques/ios/MASTG-TECH-0055.md

Co-authored-by: Sven <[email protected]>

sushi2k

Done!
Few small changes. But this is really a great update on how to do re-signing and run apps with Frida on iOS!

techniques/ios/MASTG-TECH-0056.md

techniques/ios/MASTG-TECH-0090.md

techniques/ios/MASTG-TECH-0092.md

Co-authored-by: Sven <[email protected]>

tools/ios/MASTG-TOOL-0118.md

Co-authored-by: Sven <[email protected]>

TheDauntless · 2025-01-20T07:17:46Z

techniques/ios/MASTG-TECH-0090.md


 As an alternative to this automated approach, see @MASTG-TECH-0091.

-## @MASTG-TOOL-0118
+You can inject Frida into an application using @MASTG-TOOL-0039, @MASTG-TOOL-0118 or @MASTG-TOOL-0038


I've removed tool 39 and the link to the frida website. This technique is explaining how to do it on a non-jailbroken, so would be weird to link to the frida docs this way.

techniques/ios/MASTG-TECH-0090.md

Co-authored-by: Sven <[email protected]>

serek8 · 2025-01-20T13:40:05Z

techniques/ios/MASTG-TECH-0055.md

+> Note that the commands that are part of @MASTG-TOOL-0126 refer to the latest version available from Github. If you installed them via brew or other package managers, you may have an older version with different command line flags.
+
+## iOS17 and newer
+


@TheDauntless I see that iOS 17 requires you to attach a debugger first to use the Gadget properly, right? Maybe we could add a sentence or two at the beginning of this paragraph to give this background. Then maybe we could have a subsection about LLDB and then another one about attaching to a process with Frida gadget?

I see that iOS 17 requires you to attach a debugger first to use the Gadget properly, right?

Not entirely. If the app is running in debug mode, Frida can automatically inject into it and the app doesn't need to have the gadget included. However, if you did include the gadget yourself (e.g. Objection / Sideloadly), then the frida gadget library is loaded at startup, and then you do need to connect with lldb followed by Frida.

In this technique we include the gadget ourselves, so the LLDB will always be required, right? Would be nice to write a short context e.g.

Suggested change

On iOS 17, you need to launch an app with a debugger if you have repackaged it with a Frida gadget. The following steps show how to launch an app with a debugger

### Launching an app with LLDB debugger

I didn't test it myself but it looks like iOS17 and newer works for all iOS versions, no? In this case, maybe it's easier to skip the iOS16 and older? Or at least make it clear that iOS17 and newer is universal?

techniques/ios/MASTG-TECH-0090.md

cpholguera · 2025-01-20T16:21:07Z

tools/ios/MASTG-TOOL-0127.md

+
+!!! warning
+
+    You can normally install AppSync Unified from the `https://cydia.akemi.ai/` repository by adding it to the package manager on your iOS device. However, as this repository is not always available, we recommend building it from source and installing the created .deb file using `dpkg -i` on your device.


Why not use the .deb from the Releases page? e.g.

https://github.com/akemin-dayo/AppSync/releases/tag/116.0

And then Airdrop or scp it and use dpkg -i

cpholguera · 2025-01-21T13:31:11Z

techniques/ios/MASTG-TECH-0056.md


-Different methods exist for installing an IPA package onto an iOS device, which are described in detail below.
+On a jailbroken device, you can circumvent this requirement using @MASTG-TOOL-0127, allowing you to install IPA files without obtaining a valid signature.


Suggested change

On a jailbroken device, you can circumvent this requirement using @MASTG-TOOL-0127, allowing you to install IPA files without obtaining a valid signature.

**Disabling Signature Verification (optional)**: On a jailbroken device, you can bypass the signature verification requirement using @MASTG-TOOL-0127, which hooks the appropriate system daemon and disables signature verification for any installations you do with the tools below while it's enabled.

cpholguera · 2025-01-21T13:33:58Z

tools/ios/MASTG-TOOL-0127.md

+source: https://github.com/akemin-dayo/AppSync
+---
+
+AppSync Unified disables various IPA signature verifications on jailbroken iOS devices, allowing you to install IPA files with missing or incorrect signatures. AppSync Unified does not require any configuration after installation.


Please clarify that it does not offer any cli tool or way to install apps. It's enabled after installation and you need additional tools to install the IPAs.

cpholguera · 2025-01-21T13:40:00Z

techniques/ios/MASTG-TECH-0056.md


-> Please note that iTunes is no longer available in macOS Catalina. If you are using an older version of macOS, iTunes is still available but since iTunes 12.7 it is not possible to install apps.
+Different methods exist for installing an IPA package onto an iOS device, which are described in detail below.



Could you please add ## Filza and the tool page for it?

sushi2k

Comments from Jan and Carlos should be addressed before merging.

Jeroen Beckers added 7 commits December 26, 2024 06:50

Add libimobiledevice / update iproxy

f3da3a7

Streamline TECH-0079 provisioning profile

566208d

Update TECH-0092 for IPA signing

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Update TECH-0079 to add cert limitation

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Add Appsync unified tool

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Installing and injecting IPA files

679e62e

Fix ios debugging apps

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github-actions bot added iOS fundamentals labels Dec 26, 2024

Jeroen Beckers added 3 commits December 26, 2024 13:04

Fix linting and small update

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Fix lint and reference

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Spellcheck

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sushi2k mentioned this pull request Dec 30, 2024

Add libimobiledevice / update iproxy (@NVISOSecurity) #3099

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cpholguera changed the title ~~Ipa installation by @NVISOSecurity~~ Update IPA Installation Techniques and Tools (by @NVISOSecurity) Jan 21, 2025

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Update IPA Installation Techniques and Tools (by @NVISOSecurity) #3100

Update IPA Installation Techniques and Tools (by @NVISOSecurity) #3100

TheDauntless commented Dec 26, 2024 •

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cpholguera Jan 20, 2025 •

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		> Note that the commands that are part of @MASTG-TOOL-0126 refer to the latest version available from Github. If you installed them via brew or other package managers, you may have an older version with different command line flags.

		## iOS17 and newer


	On iOS 17, you need to launch an app with a debugger if you have repackaged it with a Frida gadget. The following steps show how to launch an app with a debugger

	### Launching an app with LLDB debugger


		!!! warning

		You can normally install AppSync Unified from the `https://cydia.akemi.ai/` repository by adding it to the package manager on your iOS device. However, as this repository is not always available, we recommend building it from source and installing the created .deb file using `dpkg -i` on your device.


		Different methods exist for installing an IPA package onto an iOS device, which are described in detail below.
		On a jailbroken device, you can circumvent this requirement using @MASTG-TOOL-0127, allowing you to install IPA files without obtaining a valid signature.

	On a jailbroken device, you can circumvent this requirement using @MASTG-TOOL-0127, allowing you to install IPA files without obtaining a valid signature.
	Disabling Signature Verification (optional): On a jailbroken device, you can bypass the signature verification requirement using @MASTG-TOOL-0127, which hooks the appropriate system daemon and disables signature verification for any installations you do with the tools below while it's enabled.


		> Please note that iTunes is no longer available in macOS Catalina. If you are using an older version of macOS, iTunes is still available but since iTunes 12.7 it is not possible to install apps.
		Different methods exist for installing an IPA package onto an iOS device, which are described in detail below.

Update IPA Installation Techniques and Tools (by @NVISOSecurity) #3100

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Update IPA Installation Techniques and Tools (by @NVISOSecurity) #3100

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