Challenge of Reverse Engineering

Unpacked, but still not cracked The file has been succesfully unpacked by sdy100 Check his unpacked attachment abit further down. Waiting for a full explanation. Did you run into any problems? Correct Key solved by Till.ch Correct key is: correctkeyisthishao Information I just recently found my passion for protection coding along with trying to break it. I've used a opensource packer and made some heavy modifications to it, also added loads of anti-codes. I've had no success in getting out the correct key which you are supposed to type in, neither been able to unpack it. Allthough, i am a terrible reverser, i would like to get a 2nd opinion about this protectio…

This is a crackme I made 4 months ago and it has not been solved yet. Target: VistaSidebarGadgetCrackme by TiGa on www.crackmes.de Format: Windows Vista Sidebar Gadget (.gadget) Work to do: Find out what is a .gadget Remove the nags Activate the backdoor Turn the crackme into a keygen in .gadget format Write a solution Optional Work to do: Write a keygen in a "traditional" programming language (.exe) It doesn't absolutely require Vista to solve it but it helps a lot. Prepare yourself to be amazed by M$'s new "proprietary" file format. TiGa VistaSidebarGadgetCrackme.by.TiGa.zip

Actually it's no serious .net protector at all. But as I had a look, why not posting it. You can take it as an easy Fix-Teh-Dump-Cookie. There was no open download link for the .net version of PC Guard. And now I know why.. some mins ago even my grandma successfully unpacked it. There's indeed lots of encryption, antis, checks - nevertheless all in vain for .NET... they take money for nothing.. :/ The app can be run for 20 times only.. with random demo messages. Hint: 8 values have to be fixed in the dump (after some cutting). UnpackMe_PCG_502.rar

Packed by [Mine noname packer] Build Today, 02:13:02 GMT +2. Packed file: Resource Hacker (If wouldn't be so lazy, i would make programm, which shows only MSG Box). ResHacker.rar P.S> I would like hear ideas, how to make it more powerfull. P.S.S> in VirusTotal 6 from 32 AV's says that is a something bad. http://www.virustotal.com/resultado.html?6...712aab04844f987

Hi Freinds pleaes Unpackme & write Tutorial Tnx Sh4DoVV.rar

Encrypted: -Source code -.ctor Methods -Managed Resources -Strings Anti decompiler tricks DNGuard_std_2.6.rar

Matrixba KeygenMe 2 patch forbidden. already now thank s http://uploaded.to/?id=bt74xvalternative link http://rapidshare.com/files/71475232/Keygenme.rar

Hey Here's my very first keygenme, thought it was time for such thing. I'm not going to say that much about it, it's your job to find out. It uses quite a lot antidebug, so if you find it crashing even outside a debugger or you are ABSOLUTELY sure antidebug cought you falsely, write it here and I *might* remove some of the antidebug... I'm pretty sure it doesn't run on < NT system, but I can't say for sure. Worth a try I guess You might experience false positives by AVs, I tested it at virustotal.com (go ahead and check for yourself) and only 4 of them reported it as 'malicious' or trojan. This is due to the packer used, so don't worry and get a proper AV if yo…

Hello all i leave here a dll file packed.I leave it as a challenge for experts.Cya and happy cracking test.rar

My very first Keygenme made in delphi 7 (I know, I should learn some more ASM). Just make a keygen for it. Also, it's packed with UPX 2.03w but with nothing else, so unpacking should be easy Post keygen when you're done. KeyGenMe_byAnte0.rar

try this, it's for beginners, no special knowledge required. do not patch, make a keygen cm260807.zip

This is a pretty easy KeyMe. Beginner-Intermediate range. The algo isnt very big at all but there are a few tricks. The goal of this KeyMe is for those who are pretty new to RE. It gives you a few curve balls that make it tougher. Don't worry though, the code is in assembly and is quite easy to read. Pay attention to the API's that are called. As well as the strings available to you. There is no encryption, packer, or protectors used. It's a whole 4kb so you dont have much to sort through. I hope you enjoy the keyme. Download: (UPDATED) http://rapidshare.com/files/69688808/KeyMeAsm1_FINAL.zip Patching isnt allowed. Once you complete it, leave the details for othe…

hello agian heres a challenge coded by me with a lot of help from SerialKiller. KeyGen.ME.3.2.By.Encrypto Serialfishing is easy bit the challenge is to keygen it have fun.

XXPack 0.1 http://www.tuts4you.com/download.php?view.2013 Ted.

VCrypt 0.9b http://www.tuts4you.com/download.php?view.2014 Ted.

Obsidium 1.3.4.2 http://www.tuts4you.com/download.php?view.1993 Ted.

Soft Defender 1.12 http://tuts4you.com/download.php?view.1989 Ted.

Hi, this is my newest keygenme, the algo is in my head for almost a year, and now i got some time to implement and test it. And here it is! Protection: Crypto/Math Difficulty: U decide GFX: (un)fortunatly be ME! Rulz ---- . No Patching . No serial brute-forcing Solution == keygen + src + tut Hint ---- . One name, many serials . Some thing is changed to override KANAL Greetz: To a lot of people Regards, Cyclo www.cyclops.ueuo.com -Mera Bharat Mahan scorpion.rar

Here's a challenge for all unpackers out there: A small sheep-demo in a wolf's clothing Share your approach, if you succeed in unpacking it. SnD_UnpackMaDemo_1.rar Thx to Ted

RLPack 1.19 [NT only] unpacking challenge: Your objective is to unpack the file deASPack.exe. To achieve this you can do anything you can think of. There is only one rule. Your unpacked file must unpack crackme.aspacked.exe file in such manner that file verify.exe says that the file unpacked.exe is valid. You can only modify/unpack the file deASPack.exe and any of your patches to it must not use the information obtained from the original unpacked.exe produced by the packed deASPack.exe. This means that your unpacked deASPack.exe file must create the valid unpacked.exe without patching it to write original data by force to unpacked.exe. To verify that everything works fine…

Hi every one I am going to protect my program with safenet shell protector. I protect one simple application with this protector and I dumped it and fixed it. But when I am opening fixed file with olly I see many call after entry point that point to protector code.(virtual machine) Please test it for me . If this program unpacked , I must select another protector. Please help me CRACKME.rar

new Protecter for Aseembly File ... write a script for unpack it UnPackMe.zip

Mr Undectetable 1.0 http://tuts4you.com/download.php?view.1867 Ted.

I'm quite interested as to how people will approach this A version with much stronger security is currently in the works, but frankly I do not know where security needs to be added, since there is so little info on .NET unpacking about. So, please unpack it and tell me what you think and/or write a tutorial http://crackmes.de/users/tfb/cryxenet_0.01a/

There were written different versions in Gui, DLL, download,... I don't know, if it's really v3.2... hence: UnpackMe_Maxtocode_3.2.rar EDIT/ If I got it right, this UnpackMe will only work for 15 days.. ;x