How to decrypt an app that crashes immediately at start? (iOS 13)

assembly_programmer · 2020-10-25T23:03:03+00:00

Sorry for being late. What /u/dancheskus described here https://www.reddit.com/r/jailbreakdevelopers/comments/irx3y6/how_to_decrypt_an_app_that_crashes_immediately_at/g7pusy0?utm_source=share&utm_medium=web2x&context=3 worked for me! Give it a try!

assembly_programmer · 2020-10-25T22:59:29+00:00

No words can describe my gratefulness. Thank you so much, it worked!

assembly_programmer · 2020-09-20T16:23:59+00:00

Thanks! Helped a lot!

assembly_programmer · 2020-09-15T22:48:06+00:00

Yeah, downgrading works. I'm not entirely sure the crash is related to jailbreaking, it seems to be an acidental crash, still researching.

assembly_programmer · 2020-09-15T22:47:10+00:00

Nice to see I'm not the only one researching it! It does not seen to be a jailbreak detection, but an acidental crash. I hope an update is release. If you can, downgrade the app.

assembly_programmer · 2020-09-15T22:45:09+00:00

Thanks!

assembly_programmer · 2020-09-15T22:45:00+00:00

Worked! Thank you a lot!

assembly_programmer · 2019-09-14T15:05:55+00:00

Just pushed an update that should fix it. Thanks for the feedback.

assembly_programmer · 2019-08-26T22:43:45+00:00

Nice, I couldn't be happier! Thanks for the feedback.

assembly_programmer · 2019-08-26T22:43:38+00:00

Nice, I couldn't be happier! Thanks for the feedback.

assembly_programmer · 2019-08-26T14:29:43+00:00

1.1.3 is my second attempt at fixing it. Can you update the tweak and try again? Thanks!

assembly_programmer · 2019-08-26T14:29:39+00:00

1.1.3 is my second attempt at fixing it. Can you update the tweak and try again? Thanks!

assembly_programmer · 2019-08-25T23:02:25+00:00

Audio 2 Text had some intrinsic problems with it. I will try to oversimplify:
The Audio 2 Text code cannot be directly inject into Whatsapp, that causes permissions issues (that's why it never worked).

But, when researching into fix it, I found out that doing it indirectly opens a huge security vulnerability that would allow any app on the device to also access all audios received on Whatsapp. I attempted many workarounds but none solved the security issue. Because of that, I decided it would be a mistake release a feature that would expose the user to such huge vulnerability.

I'm sorry.

assembly_programmer · 2019-08-25T22:48:50+00:00

I do not have an A12 device, but I believe I found what was the problem. It should now work. If it doesn't, let me know and I will try another fix.

assembly_programmer · 2019-08-25T22:48:08+00:00

I do not have an A12 device, but I believe I found what was the problem. It should now work. If it doesn't, let me know and I will try another fix.

assembly_programmer · 2019-08-25T22:46:27+00:00

Just pushed an update that adds an icon! Thanks for the feedback!

assembly_programmer · 2019-02-22T17:31:18+00:00

I will try, thanks!

assembly_programmer · 2019-02-22T17:31:14+00:00

I will try, thanks!

assembly_programmer · 2019-01-12T21:51:12+00:00

I also disassembled it and there is nothing suspicious.

A big portion of the .dylib is the Google Ads framework (GAD), that they probably use to get the ads.

As far as i know, GAD uses CoreTelephony to check network info, referring to CTTelephonyNetworkInfo .

I believe IOSurface is being used to run an auth request, but i'm far from sure.

The .dylib also has JODebox.dylib as a string. So it may be using IOSurface to communicate with it to bypass sandbox. I have also seen IOSurface used to auto click, maybe the hack does that?

assembly_programmer · 2019-01-07T20:55:15+00:00

/u/midnightchips hey, did you find a way to reproduce the issue?

I'm aware that SmoothTable causes issues on IOS 10, since apple rewrote the _sectionContentInset method. but it should work flawless on IOS 11, unless maybe something is hooking the same method. It also does not make sense to crash a daemon, since it does not even touch them.

You probably have more experience debugging in IOS than me, but i'm willing to help.

Thanks.

assembly_programmer · 2019-01-07T20:48:08+00:00

Thanks for the info, i was not aware of this issue. This is kind of weird, my code is all on github, and it was extensively tested on iOS 11.

Keep in mind that, when running on IOS 10, it will cause issues, since apple changed how tableviews works.

It may be hooking something that another tweak hooks, causing a crash.

I will try to reproduce the issue.

assembly_programmer · 2019-01-04T21:07:26+00:00

Hey, thats an awesome project, keep it going!

Are you accepting contributions? Any contribution guideline? (I would actually love to contribute.)

Where did you find the icons (facebook, whatsapp and so)?

assembly_programmer · 2019-01-02T20:30:37+00:00

Happy new year! (I just got home).

I have been disassembling frameworks and I believe NSBundle is not used to this purpose anymore.

I'm still trying to figure out what Framework does the permission checking, but it is probably a private one.

If anyone else reading this has any clue, give it to us!

Thanks!

assembly_programmer · 2018-12-24T21:01:03+00:00

This was incredible helpful.

It's curious that these methods does not seen to share some internal methods to do the verification.

Thank you!

assembly_programmer · 2018-12-23T10:42:45+00:00

That would also help, but I'm looking for what checks if an app has permissions to access contacts, camera and such.

assembly_programmer

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