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Decrypted ipa by Clutch crash at startup

Started By cs2020 , Mar 09 2020 11:47 AM

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5 replies to this topic

#1
cs2020

Posted 09 March 2020 - 11:47 AM

Fresh Newbie

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Time Online: 12h 4m 23s

iDevice:          iPhone 7 Plus
iOS:              13.3.1
JailBreak:        Bootra1n-x86_64-0.9.8.1-20200304
Decrypted by:     Clutch | commit 4a98c39
Application:      Pokémon GO
Signed using:     ios-app-signer + personal developer certificate
Problem:          Crash at startup

So I compiled the latest build available of Clutch and it works fine.

I'm able to dump any app from CLI and it's very useful for apps with JB detection.

The only thing that makes me cringe is that the app I need to decrypt, Pokémon GO, doesn't run after install, just exit at startup.

Other apps, like Instagram, runs well, after signing.

Any idea how to fix that, and what can cause this behavior?

#2
user_hidden

Posted 09 March 2020 - 02:48 PM

Forum Admin

Admin
67,655 posts

Time Online: 323d 13h 51m 54s

iDevices Owned:iPod Classic, iPod Touch 4, iPhone 4, iPhone SE, iPhone 6, iPhone 8, iPad Mini, iPad Mini 2, iPad 1, iPad 2, iPad 5, MacBook Air, iHave a PC
Most used iOS:iOS 5, iOS 6, iOS 7, iOS 8, iOS 9, iOS 10, iOS 11, iOS 12

Pokemon Go has JB protection !

#3
cs2020

Posted 10 March 2020 - 04:55 AM

Fresh Newbie

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Time Online: 12h 4m 23s

Pokemon Go has JB protection !

And so?

I sideload the signed .ipa on unJailbroken device.

And it still doesn't work.

otool returns is ok, the binary looks decrypted:

root# otool -l pokemongo | grep -A 4 LC_ENCRYPTION_INFO
cmd LC_ENCRYPTION_INFO_64
cmdsize 24
cryptoff 47554560
cryptsize 4096
cryptid 0

What can I try to do?

#4
user_hidden

Posted 10 March 2020 - 05:17 AM

Forum Admin

Admin
67,655 posts

Time Online: 323d 13h 51m 54s

iDevices Owned:iPod Classic, iPod Touch 4, iPhone 4, iPhone SE, iPhone 6, iPhone 8, iPad Mini, iPad Mini 2, iPad 1, iPad 2, iPad 5, MacBook Air, iHave a PC
Most used iOS:iOS 5, iOS 6, iOS 7, iOS 8, iOS 9, iOS 10, iOS 11, iOS 12

And so?

I sideload the signed .ipa on unJailbroken device.

And it still doesn't work.

What can I try to do?

clutch can not sign properly and has not been used since iOS 11 came out

#5
hotsjf

Posted 10 March 2020 - 05:51 AM

7 years in scene

Admin
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Time Online: 195d 23h 28m 32s

Twitter:@iphonecake_com
LocationUSA
iDevices Owned:iPod Classic, iPod Touch 4, iPhone 3GS, iPhone 4, iPhone 5S, iPhone 6+, iPad 1, iPad 3, iPad 4, iPad Air 2, Apple Watch, MacBook Air, MacBook Pro, iMac
Most used iOS:iOS 6, iOS 7, iOS 8

And so?

I sideload the signed .ipa on unJailbroken device.

And it still doesn't work.

otool returns is ok, the binary looks decrypted:
root# otool -l pokemongo | grep -A 4 LC_ENCRYPTION_INFO
cmd LC_ENCRYPTION_INFO_64
cmdsize 24
cryptoff 47554560
cryptsize 4096
cryptid 0
What can I try to do?

You seems to know some of the stuff, but seriously you don't.

Clutch is so iOS 10, even PG has nothing protection it won't work on your iOS 13.

And as of PG, hackers spend months to crack it just to side load it, not even able to install on the JB device. So go figure.

#6
cs2020

Posted 10 March 2020 - 09:38 AM

Fresh Newbie

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Time Online: 12h 4m 23s

You seems to know some of the stuff, but seriously you don't.

Clutch is so iOS 10, even PG has nothing protection it won't work on your iOS 13.

And as of PG, hackers spend months to crack it just to side load it, not even able to install on the JB device. So go figure.

Indeed I agree with you totally.

It looks like there a lot of work behind it.

I'll gonna do more research then.