After jailbreaking your device using the unc0ver JB, you need to access Cydia and install the right Frida server for this iOS version. In this case, I installed the Frida For A12 + devices.
After that, the version 14.2.13 was installed in your iPhone.
At this moment, we need to install the right version also on the Linux machine.
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pip uninstall frida #for removing other versions
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pip install frida==14.2.13
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frida --version
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frida
PyPI
If you execute your frida and got an error, you are on the right way ;D
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frida-ps -U
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Failed to enumerate processes: this feature requires an iOS Developer Disk Image
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to be mounted; run Xcode briefly or use ideviceimagemounter to mount
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one manually
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So, you need to find the right iOS Developer Disk Image on this repository. In my case, the version: 11.0
First, using Cydia you need to install ipainstaller ;)
This app will be used to get the applications' full path via SSH.
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iphone:~ root# ipainstaller -l
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com.electrateam.chimera
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com.xxx.xxxx.xxxxxx
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science.xnu.undecimus
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iphone:~ root#
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Now, you can spawn the target app using the following command:
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frida -U -f 'com.xxxx.xxxx.xxxx'
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frida -U -f 'com.xxxx.xxxx.xxxxx' -l frida.js
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Bonus
After starting the hook with frida (frida.js) you can get some errors like these:
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need Gadget to attach on jailed iOS; its default location is: /Users/imac/.cache/frida/gadget-ios.dylib
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So, you need to download the ios universal gadget from frida releases page on GitHub. You need to download the same version according to your Frida version. Then, you need to follow the next steps:
I won't go through how to install Frida on your workstation, but it needs to be done. You can find instructions here.
If you haven't done so already, you will need to make sure that the device is connected via USB and unlocked. Then run the following command:
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idevicepair pair
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You will be prompted with ERROR: Please accept the trust dialog on the screen of device <UDID>, then attempt to pair again.
Click the Trust button on the dialog on your iPhone and run the previous command again. You should now see SUCCESS: Paired with device <UDID>
You can test that everything is working by running the following command:
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frida-ps -U
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If you recieve the message Failed to enumerate processes: this feature requires an iOS Developer Disk Image to be mounted; run Xcode briefly or use ideviceimagemounter to mount one manually
, you will need to download the Developer Disk Image fromthis GitHub Repository. It needs to match the iOS version on your device, so since I'm using iOS 13.5, I would download this Disk Image.
Once downloaded, unzip it and go to its directory. Unlock the device and run the following command:
If you're getting mount_image returned -3, you may be fine. Try frida-ps -U again. I spent way too long trying to figure out why it wasn't working, when it really was.