Re: Concealing an app from DTrace

2012-05-02 Thread Ken Thomases
On May 2, 2012, at 12:04 AM, Don Quixote de la Mancha wrote: > On Tue, May 1, 2012 at 6:28 PM, Kyle Sluder wrote: > >>> I was just wondering if this is still true or true in general...that it is >>> not possible to conceal an application from DTrace. > >> On May 1, 2012, at 6:04 PM, Eric Gorr

Re: Concealing an app from DTrace

2012-05-02 Thread Eric Gorr
Thanks Don. This is what I was looking for in response to my inquiry. Sent from my iPad On May 2, 2012, at 1:04 AM, Don Quixote de la Mancha wrote: > On Tue, May 1, 2012 at 6:28 PM, Kyle Sluder wrote: > >>> I was just wondering if this is still true or true in general...that it is >>> not p

Re: Concealing an app from DTrace

2012-05-01 Thread Don Quixote de la Mancha
On Tue, May 1, 2012 at 6:28 PM, Kyle Sluder wrote: >> I was just wondering if this is still true or true in general...that it is >> not possible to conceal an application from DTrace. > On May 1, 2012, at 6:04 PM, Eric Gorr wrote: > It is true and will be true as long as your are able to compi

Re: Concealing an app from DTrace

2012-05-01 Thread Wade Tregaskis
> Is that the only way? Or is there something easier that would bypass the flag? There are several that I know of. But my question first, to you, is why? I can tell you now that you can't reliably defend against all approaches. What you can do is make things really awkward for yourself for de

Re: Concealing an app from DTrace

2012-05-01 Thread Eric Gorr
Thanks Kyle. Is that the only way? Or is there something easier that would bypass the flag? In my case, I am not sure i would be concerned if a custom kernel was required. On May 1, 2012, at 9:28 PM, Kyle Sluder wrote: > On May 1, 2012, at 6:04 PM, Eric Gorr wrote: > >> I found this old me

Re: Concealing an app from DTrace

2012-05-01 Thread Kyle Sluder
On May 1, 2012, at 6:04 PM, Eric Gorr wrote: > I found this old message: > >http://lists.apple.com/archives/cocoa-dev/2010/Mar/msg01042.html > > in which stated: > >If you think this is going to help you avoid piracy, it's not. OS X >has a flag (PT_DENY_ATTACH) that the kernel chec

Concealing an app from DTrace

2012-05-01 Thread Eric Gorr
I found this old message: http://lists.apple.com/archives/cocoa-dev/2010/Mar/msg01042.html in which stated: If you think this is going to help you avoid piracy, it's not. OS X has a flag (PT_DENY_ATTACH) that the kernel checks for when a debugger asks to attach to a process. If t