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Targeting the iOS Kernel - Reverse Engineering Mac OS X

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<strong>i<strong>OS</strong></strong> <strong>Kernel</strong> Debugging<br />

• no support for kernel level debugging by <strong>i<strong>OS</strong></strong> SDK<br />

• developers are not supposed to do kernel work anyway<br />

• strings inside kernelcache indicate <strong>the</strong> presence of debugging code<br />

• boot arg “debug“ is used<br />

• and code of KDP seems <strong>the</strong>re<br />

Stefan Esser • <strong>Targeting</strong> <strong>the</strong> <strong>i<strong>OS</strong></strong> <strong>Kernel</strong> • April 2011 •<br />

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