Linux Kernel Hooker library (LKH) version 1.1 (the subject of an article in phrack #58) provides a general purpose hooking interface with easy to use C primitives. It allows you to Hijack a kernel function, Add up to 8 callbacks for the function, Access the original parameters and modify them (retroactive changes), Add or remove a callback when you want, and more. Available for kernel versions 2.4.5, 2.4.6, 2.4.7, 2.4.8, 2.4.10, 2.4.12, 2.4.13, 2.4.14, 2.4.15, 2.4.16, 2.4.17, and 2.4.18.
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