bofh1459 (bofh1459) wrote,
bofh1459
bofh1459

  • Music:

It's official: DRM has jumped the shark.

So I grabbed a copy of Antares' Auto-Tune VFX in order to make an ""operatic"" version of My Immortal as a result of a silly idea I had while chatting on IRC. Turns out... the Auto-Tune VST has DRM inbuilt, and it's the iLok USB-key type DRM. This DRM system loads two drivers, iLokDrvr.sys, which does low-level communication with the USB dongle, and TPkd.sys, which is the main driver for the rootk^H^H^H^H^Hcopy protection system here. Now, all I wanted was the 10-day trial, but it turns out that no, you need to install the relevant drivers for that as well. Now, given that I'm about as reluctant to install drivers for a DRM/Copy Protection scheme on my main computer as I am to try to restrain a cat which recently had an enforced bath, I first take a look at the current cracks for the damn thing. They all load an emulator for the iLok dongle, which...isn't hard, that thing's pathetically easy to emulate and they change device keys so infrequently that you only really have to check about once a year to see if there are any programs with which your crack no longer function, but this now means I'm loading three kernel-mode drivers, and they're all from sketchy sources, security-wise. So I decide to poke around in Auto-Tune EFX.dll...

...5 minutes later I have unlinked the iLok DRM system from it completely. Turns out all I had to do this was NOP over a single conditional JMP and a single call to Kernel32.ExitProcess, as well as changing 3 conditional JMPs to unconditional JMPs. There are probably more things I'd need to change for everything to be fully functional, but so far every feature I've wanted to use out of Auto-Tune is present, available, and does not seem to mind this crack at all, hilariously enough.

This really is hilariously dumb. iLok, while not exactly StarForce 3.4/3.6, is decently complex as copy-protection software, and is actually quite expensive for a site license if you want to redistribute it with your software as its means of copy protection. While the copy protection software itsself is implemented somewhat decent, the actual means of calling it is hilariously stupid and lends itsself to being bypassed by simple conditional JMP changes to unconditional JMP or NOP. Come on, don't these people learn the ancient JMP-CMP bypass method of cracking every single shitty copy protection algo ever? It's stupidly popular and stupidly easy and floating all over the internet still. Seems like Antares needs to read said PDF in question sometime.

This is the copy-protection code equivalent of putting the most expensive, complex, difficult-to-pick Medeco lock on your door...which is made of corrugated cardboard. The lock sure as hell isn't going to get opened, but good luck preventing the thieves from breaking into the room by other means, which, you have to admit, in this case, are painfully obvious.

God, can we please just scrap copy protection already? It doesn't work and will never work, just give it up. And if you're not going to give it up, then at least give us INTERESTING copy protection schemes to crack, instead of this bullshit that I can reverse quite literally in under 15 minutes. Seriously. What the hell, guize. This is just idiotic, on multiple levels. Fix it. Seriously.
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  • 17 comments
One problem here is that DRM doesn't require that nobody break it, just not most people. It might be easy for you to circumvent it using the methods described, but if only a very tiny percentage of users do so, then it's really no skin off the company's back.
Except because the weak point here is the CMP/JMP block after the call to the kernel driver to validate the iLok device, there is absolutely no point in using a fairly complex and expensive DONGLE-BASED copy-protection scheme over just a standard key-based system that most other applications use, as they are both broken at the same point, except one doesn't require you paying $150,000 or whatever to iLok, Inc. for a site license for using their damned dongles.

What is it with computers music applications and dongle-based copy protection? Seriously, it seems as if 95% of the time, if an application uses a dongle for copy protection, it's a commercial computers music production app or some expensive VST for some common effect, like Auto-Tune. Hell, I heard even Max/MSP is using iLok now, which is basically all kinds of hilarious. Sigh.

Also, it doesn't matter if the other people CAN'T break it by means of an asm debugger if I release a small app that lets you "push butan, receev crack", like I will as soon as I get this thing working again (it's been awhile since I've written binary modifier executables, like multiple years, rofl, and I don't want this to break anyone's install), and then anyone can break the relevant DRM. Welcome to the internet.
Yeah, that's true; if it's that easy to crack, I guess using such an overengineered and ridiculous system for it is silly. Then again, maybe it's a security-through-obscurity thing, and people will try less hard to break it if they think it's harder to break. Then again, like you said, you can just distribute the crack yourself, as with any form of copy protection.


The estimating system where my dad works (Timberline; my dad works for a construction company) uses some sort of dongle-based protection scheme, I think.

except one doesn't require you paying $150,000 or whatever to iLok, Inc. for a site license for using their damned dongles

Well, maybe we've stumbled upon the actual reason for them using it, then. :P
So if it was that EZ where can a brotha get that sweet Auto-Tune EFX.dll action you sweetly speek of? Lets just see if it is LEGIT and works in Ableton. rdcds96@netzero.com
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HELP!!!

Anonymous

April 9 2011, 23:27:44 UTC 5 years ago

Hello,

I'm a lazy guy. But I'm also a computer engineer. I could try to get my hands dirty but .. well if we can share.. =]

Does anyone know If a patch or a "dongle image" + emulator can be found anywhere on the internet.

I'm ultimately interested in running cracked pro-tools LE 8 on windows 7.

Any shortcuts for this lazy prick? :)