Monday, February 16, 2009

Greetings and Salutations

Hello my dear and intrepid App Store Developers:

It has been a long time since I have corresponded with you. Last you heard I was on the run from a severe DDoS against the servers hosting the support webpages for my iPhone applications.

Well I'm back, bitches. As a treat, here are some UDIDs that I have harvested during my hiatus:

e83c6cf6465f259883f188f1be6703bf13f1b3f9
da68f27943894aa8fb1fe74adb7d3dcc783d5596
39871d16c7edeca24aa5ce39fe9b0e686f3629d9
00c4d632c03af97fab40060a7b29a43a9b5731aa
9e1c1ad4b4bdb83a22d81e2dc6e78be267518d19
c9cc59d14bb12d0a17ddd186affe169c839e3869
c5f1728bbdd1a7e035dfdb6375d2977fa0e6ff64
0d36017fc9232282a0a05e24aa2a131c7140d84b
c5f1728bbdd1a7e035dfdb6375d2977fa0e6ff64
94359026097e8bc58e3020c0d6485d1edc20ac8b
1743e84fe1c4fac3d916012133813240c2fad41e
c6a1d28b02eb21f5950f999c4b463e395b333231
a7d8882172888626db5ee011dec56bb8afae2769
c6a1d28b02eb21f5950f999c4b463e395b333231
761b71d068a8129f7a39071e169839588c7264aa
76766793d86efb654a43354132ee6406ba9a9977
fe8cdf141a14fa0fd32994120ce4d21ca742571e
1ab5bbefa77f6242f5409d087a2af2412f57c834
419ef8e4e248b9a65c34c500b0d265dece32f1be
b1f86da28b764586c4945e58a80557a03dae460f
2bb05f9bf8d2c4d77832f5b3507b5adf0fee83a0
29bc4f575ff52412bb8b12c7439d3fae7d917fe1
9bb1932e121a8c21f99da72c495cc8423895b918
c5f1728bbdd1a7e035dfdb6375d2977fa0e6ff64
f4138b99c5d1bf82ac76babd9c072c12a8314878
56273154b4486f627ea9c44a45341100cc2f1752
cd295071b320b9c41a69b6e3338ec6d61db46764
e2849ae3c539fff278434b426e0a505738363163
39871d16c7edeca24aa5ce39fe9b0e686f3629d9
c6a1d28b02eb21f5950f999c4b463e395b333231
3727a77568b3567c699dff94a8bf1770f3bc3e8a
e83c6cf6465f259883f188f1be6703bf13f1b3f9
115c92777b2d187e71907ee30ba6c9f93bb24a0e
a7216de8248137a9417ffbaf1a5238f9f0dbd32d
d1a33e3071b95715ce0d041d5e07ca66c2688455
9ba6c298a70b731308f3d9c2941839112b60e5cd
76766793d86efb654a43354132ee6406ba9a9977
dc1ccc6fac5c3eb67afb0b10776a09d3de92de9e
052a6d016d6d59d6c809cd2c01ebe6a9ca24550b
20a1fb9fb648b8ef45f783824ecf2c9cad380fc0

This is just a handful of the thousands that I have on file.

Sincerely,

iPhoneCrackDetector

32 comments:

Fin said...

welcome back!

ipasauce said...

Hooray! I've missed your posts.

Mostly Torn said...

Hi,

I thought you might like to know I used a variant of your suggestion for detecting a pirated app and implemented in one of my apps. Rather than be covert about it, I chose to throw up a message telling the user that they stole my app.

Apparently some people liked my app enough to try to steal it and ran into my anti-piracy pop-up message. It made a brief mention on the CNET iPhone Atlas blog here.

Not surprisingly, a few days later someone actually took the time to crack the app rather than just run it through Crackulous and work-around the anti-piracy measures.

From what I've read on a pirate forum, some of the thieves now scan the app binary for the signature string "SignerIdentity" and just mangle it so it won't match. One thief even went so far as to search for other variants of the string, such as an XORd version of it.

So, the cat and mouse game continues. My next app release will include a few more complicated counter-measures. I realize any counter-measure can be overcome if the thief wants to invest enough time. I'm curious how much time someone is willing to invest to crack a 99 cent app.

Unknown said...

More and FREE IPA its here : http://chomikuj.pl/?page=56047

Unknown said...

I have been using the crack detection method and had some surprising results. Throughout the internet I’ve found cracked copies of my game that are non-functional, IE game code is broken. It looks like the script kiddies used the "tool" to crack, and never actually tested out my code. I’ve started to use multiple methods to obfuscate the “SignerIdentity” string and made info.plist part of the application, so without reading from it the app will not function properly. I wonder how the pirates’ are going to feel when my next versions "Rick Rolls" or send them directly to the trial version.

Unknown said...

The crack checks seem to be working, i even rick roll people now, but at least my apps updates aren't zero day releases anymore.

The ipa checks are just the first layer of protection, because I still have to send out multiple DMCA requests to file hosts everyday, harass American web based hosting companies until the IPA websites are pulled offline.

And the efforts are starting to pay off, I got one IPA website and 2 blogs taken offline without paying a lawyer.

Wildex999 said...

Can't the pirates just change their device id? Or am I missing something here?

Unknown said...

Has anyone checked if iPhone 3.0 software will change anything related to crack checks?

Unknown said...

i am a developer running on iPhone OS 3.0 and this still works to check for cracked apps. Also i would like to give the public the only user who has pirated my application.

1817df42d81ed4b666f5de37b9386b6c574c9d56

Unknown said...

We have to be careful about the phone ID's, one of the recent iPhone Dev Team solutions to fix push notifications just changes everyone's device ID to the same number.

The only reason I'm worried about phone ID's is my next App update will limit how many users are allowed per phone.

Anonymous said...

A good way to work with the same uuid coming in from multiple users, is to check the carrier they're on. If you see the same uuid coming from multiple carriers (excluding wifi of course since that's generic), you can take the first uuid as the valid carrier, and any additional carriers, you can assume, safely, that either 1) it's a legit user who has another phone but unlocked it and switched providers, which they shouldn't be doing, or 2) (and more likely) different users, different devices.

This wouldn't catch cases where the user is in the same country, and I'm sure a vast majority of pirated apps are being run in the US where i'd wager, high 90% of phones are on AT&T.

Just a thought.

Unknown said...

Ok, I have been dealing with piracy of my games and found a new fun method of protection. All my previous restrict the pirates from playing attemps failed, they will always find a way to remove the checks, or release a version with the check in place, sometimes they don't check before releasing. My new scheme is to obfuscate key stings in numeric arrays, which are altered multiple times with math, string are derived and crack checks are run. When the game is CRACKED it still works, (crackers don't notice little things like this), but plays in LITE mode, # of options is limited, but still works.

When I add in FBConnect support it will post messages on how its stolen after a grace, (hacker crackering it), time period.

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