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Can someone point me into the direct of a basic LKM rootkit? One that works for the 2.4/2.6 kernels and is easy to understand? I get the basic concept but im looking for one that easily shows a hacked sys_getdents system call that works! thanks!
it's really pretty simple.. just combine the techniques explained in the 2nd paper with the method of function hijacking in the first paper. the sys_call table isn't exported in some newer versions of the kernel, so u use the overwriting method of function hijacking to overwrite first X bytes where the system call lives at as outlined in 2nd paper
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