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Overview
About Hi, I'm Zhi, a security researcher that mainly focusing on *OS system.I've presented my research at Black Hat, HITB, RWCTF, 0x41con, and OBTS.You can find some of the materials are under talks page. Apart from computer, I love photography.
News
Inside iOS 27's Reworked Stub Islands
How iOS 27 trims the dyld shared cache and updates stub island trampolines
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Mistuned Part 3: PAC Bypass
Bypass hardware assisted mitigation using Objective-C runtime.
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Mistuned Part 2: Butterfly Effect
A simple access control issue makes a huge difference, leading to infoleak and use after free.
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