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johnny

@0xjohnny • 8,075 subscribers

iOS & MacOS Researcher (AI-Driven) Open to full-time/contract roles. DMs open.

Shorts

As someone said to me earlier, if you can do this to your iOS 18/26 DarkSword-vulnerable device, at what point is this environment no longer considered “limited” 😂 Beta of Gravity Lite is live with latest Cyanide: 📱🫨

As someone said to me earlier, if you can do this to your iOS 18/26 DarkSword-vulnerable device, at what point is this environment no longer considered “limited” 😂 Beta of Gravity Lite is live with latest Cyanide: 📱🫨

95,576 views

Messing with a sandbox bug I found on iOS 26.3

Messing with a sandbox bug I found on iOS 26.3

79,238 views

Throwback iOS tweak Graviboard on iOS 26.0.1 Comical how much more difficult this was to get working vs. a normal jailbreak environment with substrate

Throwback iOS tweak Graviboard on iOS 26.0.1 Comical how much more difficult this was to get working vs. a normal jailbreak environment with substrate

37,405 views

Cylinder on 17.0.3, was able to install by stripping cydiasubstrate dependency

Cylinder on 17.0.3, was able to install by stripping cydiasubstrate dependency

33,795 views

It’s read/write, by the way

It’s read/write, by the way

13,503 views

FloatingDockXVI on iOS 17.0.3. Had to refactor what felt like half the tweak to get it to work in this limited coruna exploit environment

FloatingDockXVI on iOS 17.0.3. Had to refactor what felt like half the tweak to get it to work in this limited coruna exploit environment

14,977 views

Videos

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Stage Manager multitasking on 17 Pro Max running iOS 27 DB3.

Stage Manager multitasking on 17 Pro Max running iOS 27 DB3.

387,566 views • 3 months ago

Modified Filza to leverage a sandbox escape and browse data outside its own container, including the Notes database, on an iPhone 17 Pro Max running iOS 27 b3.

Modified Filza to leverage a sandbox escape and browse data outside its own container, including the Notes database, on an iPhone 17 Pro Max running iOS 27 b3.

173,516 views • 3 months ago

Integrated my AI reimplementation of the #coruna Rocket PPL bypass into Dopamine & jailbroke an iPhone 12 on iOS 17.0 NOTE: I did this for fun to test my ability to apply AI. I am not releasing anything – an official Dopamine build for arm64e 17-17.3.1 is likely coming out soon

Integrated my AI reimplementation of the #coruna Rocket PPL bypass into Dopamine & jailbroke an iPhone 12 on iOS 17.0 NOTE: I did this for fun to test my ability to apply AI. I am not releasing anything – an official Dopamine build for arm64e 17-17.3.1 is likely coming out soon

62,104 views • 2 months ago

For all its notoriety, the DarkSword exploit chain has been extremely unreliable in testing. Repro successful maybe 10% of the time, if that. Test device, no personal data. 15 PM running 18.6.2

For all its notoriety, the DarkSword exploit chain has been extremely unreliable in testing. Repro successful maybe 10% of the time, if that. Test device, no personal data. 15 PM running 18.6.2

44,247 views • 6 months ago

Dynamic Stage Lite early beta access is live for Patreon members! Sign up, link account in settings, install. iOS 18.0–18.7.1 & 26.0–26.0.1. Expect bugs/crashes, but working. Thx The Jailbreak Hub for the idea. Patreon: Cyanide:

Dynamic Stage Lite early beta access is live for Patreon members! Sign up, link account in settings, install. iOS 18.0–18.7.1 & 26.0–26.0.1. Expect bugs/crashes, but working. Thx The Jailbreak Hub for the idea. Patreon: Cyanide:

14,373 views • 4 months ago

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