Questions tagged [ios]

The operating system by apple for mobile devices

13 questions with no upvoted or accepted answers
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votes
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194 views

running iOS debugserver on non-jailbroken devices

There are multiple tutorials on how to debug applications on jailbroken devices. These usually involves resigning debugserver, scp and running it from ssh with few tweaks to the entitlements and ...
3
votes
1answer
119 views

How does IPA decryption works?

All IPAs being downloaded from AppStore gets encrypted on servers as part of FairPlay DRM. But decryption is accomplished on local device. As far as I know there is some hardware module which contains ...
2
votes
0answers
89 views

(iOS lldb) Unable to debug past a splash/loading screen

I'm trying to lldb debug this certain iOS application. Its behavior is that when I click the application, the splash/loading screen comes up, then the main activity. However, whenever I try to debug ...
2
votes
0answers
406 views

Is there an existing tool to reverse engineer Xamarin AOTDATA files?

I am currently examining a xamarin application. It has used the "ahead of time compilation" feature, which has left some of the associated .net assemblies (.dlls) as lists of function signatures ...
2
votes
0answers
157 views

Analysis Apps for iOS10/64Bit

I need to analyze an iOS app. Since it's iOS 10 64Bit (jailbroken) this time, I'm desperately looking for good analysis tools for injecting, manipulating, anti-anti-jailbreak, tracing, and so on. I ...
2
votes
0answers
2k views

Recovering .ipa file for TestFlight app on iOS 8 (not jailbroken)

Normally if I want to see the binary and resources for an app, I connect my iPhone to my Macbook, sync with iTunes, and then all of my apps are in /Users/cybergibbons/Music/iTunes/iTunes Media/Mobile ...
1
vote
0answers
1k views

OTOOL alternative for linux

I have a reverse engineering set up on a Mac machine. This set up does some reverse engineering on iOS applications(.ipa files). I'm migrating the setup from Mac to a linux machine. Currently on Mac, ...
1
vote
0answers
369 views

Patching an ipa (iPhone app) using Hopper Disassembler

I have learned in the past to patch some iOS apps to bypass jailbreak detection. Today, I decided to change the UI elements in the Spotify app on iOS Platform (ios 11). I downloaded a .ipa file of ...
1
vote
0answers
372 views

Functions window empty for some ipa using ida pro

I suddenly noticed that my c file produced by ida pro for some of the ipa files is zero bytes. However, I'm able to decompile other ipa files, but I got some which is not being decompiled properly it ...
0
votes
0answers
7 views

App Store IPA - why it would suddenly need a “provisoningProfiles” entry in Info.plist?

An IPA I have acquired from Apple's App Store has a "provisioningProfiles" in its Info.plist. The "provisioningProfiles" entry was not in previous versions of the IPA file. Looking at another few ...
0
votes
0answers
18 views

LLDB Cannot calculate virtual address from ASLR slide

I am trying to set a breakpoint at an Objective-C method in an iOS app (armv7). I create a toy app, dumped the sections to find the loaded address of the __text section, and calculated the mapped ...
0
votes
0answers
42 views

Unity3D Application.genuine implementation

How is Unity3D Application.genuine actually implemented on Android and iOS? Are there any publicly available analyses? Did anyone try to reverse it? I know it is trivial to modify the property and ...
0
votes
0answers
841 views

How does iOS hash and salt passwords on its secondary-storage?

I bought a used iPhone from someone, but I accidentally got a lock screen on the phone and can't figure out what the passcode is. Long story short, how does iOS hash the passcodes for entry, what kind ...