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| Curious |
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Posted by: Creoleotter - 07-15-2019, 07:13 PM - Forum: Jailbreak Development
- Replies (2)
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Simply put. Where does one begin their development in creating a jb. And what “skill” or knowledge is needing in finding exploits necessary to compile one?
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| Tom's Tool Dump #0 |
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Posted by: tomnific - 07-15-2019, 12:15 AM - Forum: Useful Tools and Utilities
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Hey y'all, I've been a lurker in this community for eons, and it's about time I contributed something.
What I've got for y'all today are some betas for various tools I've been working on for the past couple months, and have been holding off on publishing until they were all ready.
iksof (iOS Kernel Symbol Offset Finder)
Just another in the long list of offset finders out there. When I first started writing this, the idea was to finally have a nice platform binary, rather than a shell script for finding symbol offsets in an IPSW file's kernelcache. I recently realized that there's actually a few out there already and that I just wasn't looking hard enough. Regardless, this is a thing I made, and I think it has potential
In essence, it tries to get all symbol offsets you could possibly need, and prints them out as macro definitions for you.
It's open-source and on GitHub here: https://github.com/tomnific/iksof
Logos++
Let's face it, using Logos to interact with Swift is just plain awful. I mean, I suppose it's better than using raw MobileSubstrate calls, but it's still counter to the purpose of Logos, which is to simplify the hooking process.
Logos++ make hooking Swift just as easy as hooking anything else. Hooking a Swift class looks nearly identical to hooking any other class. And hooking a function - well just look at the before and after:
Logos:
Code:
static void (*orig_ViewController_randomFunction)(void) = NULL;
void hook_ViewController_randomFunction() {
orig_ViewController_randomFunction();
NSLog(@"Hooked random function");
}
%ctor {
%init(ViewController = objc_getClass("HookExampleApp.ViewController"));
MSHookFunction(MSFindSymbol(NULL, "__T014HookExampleApp14ViewControllerC14randomFunctionyyF"),
(void*)hook_ViewController_randomFunction,
(void**)&orig_ViewController_randomFunction);
}
Logos++:
Code:
%hookswiftf("HookExampleApp.ViewController", void, "__T014HookExampleApp14ViewControllerC14randomFunctionyyF", void)
{
%orig;
NSLog(@"Hooked random function");
}
Like C++ compiles down to C, Logos++ gets translated down to plain logos using a tool called Logos--.
At its current state, it's mostly a proof of concept, but it is entirely useable. However, I know a lot of tweak developers develop on their iDevices, so, unfortunately, this may be difficult for them to integrate into their process, as Logos-- is a Java program.
As you'll see, the different parts of the language handle Swift's name mangling in different ways. Based on user feedback, the language will be changed to support one consistent method of handling it.
You can find it on GitHub here: https://github.com/tomnific/LogosXX
Xpwnd
Xpwnd is perhaps the tool I'm most excited to share (no relation to the xpwn toolsuite). In short, it's a modded version of Xcode that has custom SDKs geared towards both iOS Security Research and Jailbreak development (with Tweak development hopefully coming down the road)
I noticed that most jailbreaks seem to have a "standard library", if you will, of helper utilities (these utilities are found in almost every jailbreak). In addition, things like QiLin, IOKit and some headers from the macOS SDK are also frequently copied over into their own local includes. Instead of repetitively including these source files and libraries, I wanted to make something that lets you include them like any normal standard C library header. This was the genesis of the idea for a Jailbreak SDK
However, I quickly learned that adding arbitrary SDKs to Xcode is not an easy task and has some unintended side effects. Eventually, I decided it would be much simpler, and safer, if there was simply a second Xcode dedicated to this kind of work. Thus, Xpwnd was born.
There are some kinks that I'm afraid may be inherently unpatchable, but they don't fully inhibit anything and in spite of them, Xpwnd is actually surprisingly stable.
Quick aside: during the making of Xpwnd, I also managed to figure out how Xcode handles the mythical Sparse SDKs - something that was previously thought to be a killed feature (but I'll post more on that elsewhere in the future).
Right now, I've been focusing on the Jailbreak Development side of Xpwnd, so that's probably where you'll see the most changes coming up.
Xpwnd is installable with a simple shell script - all that's needed is a vanilla Xcode, about 30 minutes of time, and 40GB of free storage (Xpwnd is only 20GB after the installation). In the README, there's a full list of bugs and how they can be mitigated until a permanent solution is found.
You can find Xpwnd on GitHub here: https://github.com/tomnific/Xpwnd
TLDR; I'm publishing betas of some stuff I've been working on:- iksof - iOS Kernel Symbol Offset Finder tool
- Logos++ - a superset of Logos that supports Swift
- Xpwnd - a modded version of Xcode designed to aid each level of the jailbreak stack
Stay tuned,
~ tomnific
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| chimera for A7 devices |
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Posted by: excelsi0r - 07-14-2019, 02:38 AM - Forum: Jailbreak News
- Replies (1)
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hello. i am curious to know if i should wait for chimera to make a 12.2 jailbreak available for my A7 device or get unc0ver instead. i would prefer to have chimera, but i don’t know if the team will make the 12.2 jailbreak compatible with A7 devices. do you know if there is any chance they will make chimera 12.2 jailbreak compatible with A7?
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Unc0ver Jailbreak For iOS 12.2 / 12.1.3 / 12.1.4 (STABLE) RELEASED (With Cydia) |
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Posted by: GeoSn0w - 07-14-2019, 02:18 AM - Forum: Jailbreak News
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In today's video, we're talking about the latest updates to the #Unc0ver #Jailbreak by Pwn20wnd and Sam Bingner. The Beta 7 was released just a few hours ago and now the Unc0ver Jailbreak for iOS 12.1.3, iOS 12.1.4 and #iOS 12.2 are considered stable and safe to use for any jailbreak user. Multiple bugs were found, reported and fixed in the past 2 days since the Beta 1 was released after Ned Williamson released his "Sockpuppet" kernel exploit with tfp0. When Beta 1 was out, I told you to stay away from it because it could be buggy. Now, with Beta 7 released, Unc0ver should stable enough to be usable even for the people who are new to the jailbreak community.
You should keep in mind that iPhone 6, iPhone 6 Plus, iPhone 5S and iPod Touch 6th Generation may still have some issues with Unc0ver. That is because the exploit is yet to be fixed for the 4K devices. We call these devices "4K devices" because they have a memory page size of 4KB, while the other, newer models have 16KB, so they are called 16K devices. A12 devices (iPhone XS, XS Max, and XR) are still not supported currently, so please wait patiently. I will keep you updated on the channel as jailbreak development progresses.
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Chimera JAILBREAK For iOS 12.1.3 / iOS 12.1.4 / iOS 12.2 RELEASED (With Sileo) |
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Posted by: GeoSn0w - 07-13-2019, 10:57 PM - Forum: Jailbreak News
- No Replies
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! WARNING: Currently not supporting A12 devices!
In today's video, we're discussing the release of Chimera Jailbreak for iOS 12.1.3, iOS 12.1.4 and iOS 12.2 by the Electra Team lead by jailbreak developer Coolstar. The update was released shortly after the kernel exploit by Ned Williamson of Google Project Zero was published, right after Unc0ver got its 12.1.3 to 12.2 update. In terms of differences, the only visible one is the package manager it comes with. Chimera comes with #Sileo, a Cydia alternative by Coolstar and the Electra Team, while Unc0ver Jailbreak comes with Cydia for iOS 12, an update made by Sam Bingner, part of the Unc0ver Team.
Other than that, the iOS versions and the devices supported are the same. Both Unc0ver and Chimera support only devices up to A11, no A12 for the moment because there is no PAC (Pointer Authentication Codes) bypass that can be used for A12 on iOS 12.1.3 and newer right now, and judging by Coolstar's posts in the past day, there seems to be a lack of interest in building one because the iOS range has way too few users compared to the other versions like iOS 12.0 to 12.1.2 and iOS 12.3 to 13 Beta.
Anyways, if you are interested in using the #Chimera Jailbreak, you can either sideload the IPA file using Cydia Impactor created by saurik, or you can use a signing tool like AppValley to do it without having to use a computer. Cydia Impactor is available for Windows, macOS, and Linux. As always, do not forget to subscribe to the channel for more #iOS and #Jailbreak news, tutorials and updates.
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| No jb for A12 on 12.1.3-12.2 |
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Posted by: pornflakees - 07-13-2019, 10:39 AM - Forum: Jailbreak Help
- Replies (3)
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My question is should i update or not im on 12.1.4, and talked a bit to CS and it looks like he won’t be looking at A12 supp.. They have a method for a 15 min jb but apple might patch it. Apperntly it’s not worth putting the time on these versions for A12 devices.
Check his tweets
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| 4k support |
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Posted by: prasadsupare - 07-13-2019, 07:01 AM - Forum: Jailbreak Help
- No Replies
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When will there be support for 4k devices? And whem will osiris Jailbreak be released?
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