Pre-order iOS Hacker’s Handbook On Amazon
Do you want to learn how to hack iOS and Apple devices? 6 of the top iPhone hackers, including MuscleNerd have put together the iOS Hacker’s Handbook
. Discover all the security risks and exploits that can threaten iOS-based mobile devices. iOS Hacker’s Handbook arms you with the tools needed to identify, understand, and foil iOS attacks.
iOS is Apple’s mobile operating system for the iPhone and iPad. With the introduction of iOS5, many security issues have come to light. This book explains and discusses them all. The award-winning author team, experts in Mac and iOS security, examines the vulnerabilities and the internals of iOS to show how attacks can be mitigated. The book explains how the operating system works, its overall security architecture, and the security risks associated with it, as well as exploits, rootkits, and other payloads developed for it.
Covers iOS security architecture, vulnerability hunting, exploit writing, and how iOS jailbreaks work
Explores iOS enterprise and encryption, code signing and memory protection, sandboxing, iPhone fuzzing, exploitation, ROP payloads, and baseband attacks
Also examines kernel debugging and exploitation
Companion website includes source code and tools to facilitate your efforts
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Can I Jailbreak My iPhone?
The iPhone Dev Team has set up a site titled http://Jailbrea.kr/ which helps you determine if you can jailbreak your iPhone and what tools you need to perform the jailbreak. The website was created by chpwn, and the domain is donated by MuscleNerd. Follow @iphone_dev and @chronicdevteam for up-to-the-minute info. For even older versions, you might want to try here.
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Did MuscleNerd Just Get Hired By Apple?
Well well, it seems that we may have another Apple hire in the jailbreak community. MuscleNerd has posted what seems like himself receiving a specially made Apple shirt as well as himself talking about his “host” at Apple and that he received a specially made “Muscle Nerd” guest name tag on his Apple HQ visit.
If Apple hired Muscle Nerd, could this be signs of new things to come? The “Pay to jailbreak” solution that I had spoken of in the past? Or just a way for Apple to silence the iPhone Dev Team? Who knows, especially now with Tim Cook as Apple’s CEO, it’s hard to tell how he will run Apple, so anything can happen, and Muscle Nerd isn’t talking.
If he does get hired by Apple, we wish him the best. Again, MuscleNerd was mostly responsible for the iPhone’s baseband hacks as well as some untethers along with the rest of the iPhone Dev Team.
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iOS 4.3 Jailbreak And Unlock FAQ
Since there is a lot of confusion out there, Veeence made this little write up of questions that are continuously being asked.
1. What happend?! I thought the unlock for basebands 02.10.01 & 03.10.01 would be released within the next 2 weeks?
As you know the Dev-Team (MuscleNerd) have been working on the unlock for quite a while now. They were making great progress on the unlock, but they found out that they (accidentally) unlocked “one particular SIM card” instead of the baseband itself. Which means that the unlock would only be an unlock you could use with MuscleNerd’s T-Mobile SIM. So, useless. If the unlock would unlock the baseband instead of “the SIM”, it’d probably be out within 2 weeks (reasonable timeframe which they had hoped). But things turned out to be different. Basically these <2 weeks predictions were a lack of information.
2. What is this NCK-key cracking? How does it work?
The NCK-key is the key generated by Apple if you’d officially unlock you iPhone, and with officially I mean, via your carrier. This “NCK-unlock” method is known over a few years now, actually since geohot started working on unlocking the iPhone 2G. He developed a program that could “crack” this 15 digits long key and unique for every device. Geohots NCKBF program could do around 100,000 keys/second which would produce a hit in many years, or complete a search in 317 years. To get to a point where this is actually doable we would need many orders of magnitude of improvement. Even if you use a PS3 (would we still want to use this??) or special hardware (within 1,000 US$ range) you will only get an improvement of 20-100 times.. which doesn’t help much.
Now, luckily, with the exploits they have now, they can’t unlock your baseband, but they *can* capture more information from the baseband to speed up this cracking process. Since the NORID and CHIPID (unique for every device) are known, you’d apparently only have to check 40 more bits (5 digits). A 40 bits key is theoretically crackable on “home hardware” within a week (24/7). The downside of this approach is that you’ll have to keep your computer turned on, and your iPhone has to be connected. And that is the reason why they never tried it before. Please note that this method is completely theorical and has been NOT tried at all till this moment.
3. Now what? Should I sell my locked iPhone 4?
I’d wait for more information on this “NCK-unlock”. Right now it’s pretty vague what timeframe we’re talking about. If the Dev-Team can pull this method off, it’d be very promising for those waiting for an unlock. If this method turns out to be not doable, I’d consider selling your iPhone 4 and save up for a factory unlocked iPhone 5.
4. Do you think there is every going to be an unlock?
Of course. But that’s unlikely to be any time soon (with soon being <1 month).
5. If the NCK method fails, how long do you think it will take for the Dev-Team to unlock the iPhone 4?
No ETA at all. Could be a few weeks, but it could easily be a few months as well.
Hope this helps.
read moreiOS 4.2.1 Untethered Jailbreak Coming ‘By Christmas’
Hey guys, looks like the iPhone Dev Team has indeed 2 options for an untethered jailbreak for iOS 4.2.1. Last night, I was on Twitter when MuscleNerd tweeted that he was preparing to use the mysterious iOS 4.2.1 beta 3 kernel hack that they had been keeping a secret.
Looks like Apple had messed up with iOS 4.2.1 beta 3 in which there seems to be a vulnerability in the kernel (which also does the checks at boot of whether it’s a jailbroken or stock file system).
Now, comex is still working on his untethered exploit, but it seems that what he is working on is a more permanent solution for the future of A4 devices, so we’ll keep our eyes peeled on that.
So for everyone on iOS 4.2.1 (especially iPad users) there is good news, it’s not just Santa Clause thats coming to town, looks like the Jailbreak Train is coming as well, and it looks like they’ve cut the tether. 
Here’s what MuscleNerd had to say:
Got “backup plan” for untethered 4.2.1 JB working (video coming up). Uses mysterious 4.2b3 hashes Cydia kept for you.
(It’s a “backup plan” because comex is working on a more extensible one, but this method is also generalizable)
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