Defiling Mac OS X - Ruxcon - Reverse Engineering Mac OS X - PUT ...

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Unhiding Same deal. TECHNIQUES HIDING PROCESSES for (i = 0; i < gHiddenProcCount; i++) { if (gHiddenProcs[i]->p_pid == pid) { p = gHiddenProcs[i]; /* Remove from hidden proc list */ /* Trimmed for the whole brevity thing, Dude */ /* Add it back into allproc */ LIST_INSERT_HEAD(my_allproc, p, p_list); } } break; Defiling Mac OS X - Ruxcon November, 2011
TECHNIQUES HIDING FILES Hiding files ‣ This is pretty easy so I won’t give an example ‣ As per BSD rootkits ‣ Hook the getdirentries() syscall ‣ As per “SYSCALL HOOKS” not very many slides ago ‣ Strip the files you want to hide from its output ‣ Yep. Defiling Mac OS X - Ruxcon November, 2011
Page 1 and 2: DEFILING MAC OS X: KERNEL ROOTKITS
Page 3 and 4: STUFF Things I will talk about ‣
Page 5 and 6: Defiling Mac OS X - Ruxcon November
Page 7 and 8: GETTING CODE INTO THE KERNEL Defili
Page 9 and 10: TECHNIQUES GETTING CODE INTO THE KE
Page 11 and 12: TECHNIQUES GETTING CODE INTO THE KE
Page 13 and 14: TECHNIQUES DODGY KERNEL SYMBOL RESO
Page 15 and 16: TECHNIQUES DODGY KERNEL SYMBOL RESO
Page 17 and 18: TECHNIQUES SYSCALL HOOKS Old faithf
Page 19 and 20: TECHNIQUES SYSCALL HOOKS static str
Page 21 and 22: TECHNIQUES TRUSTEDBSD HOOKS Trusted
Page 23 and 24: TECHNIQUES TRUSTEDBSD HOOKS kern_re
Page 25 and 26: TECHNIQUES NETWORKING HOOKS Registe
Page 27 and 28: ROOTKITTERY Defiling Mac OS X - Rux
Page 29 and 30: TECHNIQUES PROCESS PRIVESC void pro
Page 31: TECHNIQUES HIDING PROCESSES Might l
Page 35 and 36: ONE MORE THING... *cue turtleneck*
Page 37 and 38: EFI THE EXPLOSIVE FARMVILLE INVARIA
Page 39 and 40: EFI THE EXPANSIVE FURNITURE INTERFE
Page 41 and 42: REFERENCES Mac OS X Kernel Programm

Defiling Mac OS X - Ruxcon - Reverse Engineering Mac OS X - PUT ...

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