Advanced Mac OS X Rootkits.pdf - Reverse Engineering Mac OS X
Advanced Mac OS X Rootkits.pdf - Reverse Engineering Mac OS X
Advanced Mac OS X Rootkits.pdf - Reverse Engineering Mac OS X
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<strong>Mac</strong>h Microkernel Abstractions• Task: A resource container– Virtual memory address space– 1 or more Threads– IPC port rights• Thread: An entity that can be scheduled by the kernel torun on a processor• Port: An inter-task communication mechanism usingstructured, reliable messages– Think of them as sender-restricted “P.O. Boxes”– Only exist in kernel, Tasks hold Port Rights• Message: Data communicated between ports7
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