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Challenge of Reverse Engineering

Try a challenge or contribute your own, any platform or operating system...

The creation of new topics is disabled in these subforum categories.

Please create and post your new challenges in the appropriate subcategory of Downloads > Challenge of Reverse Engineering

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  1. Vic
    CrackMe · Started by Vic,

    Name: VicCrckMe #1 Author: vic4key Team: CiN1 Level: Hard Request: Found the Unlock Code & Registration. Maby: Patch, Fish, but so good if you can Keygen it. Link to download it... Hard to crack it. G.lucky to all my friend. Fightin'!!! ALL FOR FUN VicCrkMe #1.by.vic4key.CiN1.zip

      • Like
    • 10 replies
    • 6.2k views
  2. Levis
    KeygenMe · Started by Levis,

    Just another keygeme, with easy level Try to make a kaygen for it Language: Delphi Level: 3/10 Packer: N/A used hash/encryption: N/A Screenshot: Download: Good luck!!! keygenme#3.zip

      • Like
    • 7 replies
    • 9.7k views
  3. Saduff
    KeygenMe · Started by Saduff,

    This KGM is a result of quite a lot of research, so I hope you'll like it. You'll need to be good with cryptography to solve this. The difficulty depends on the person solving it. Compiler: Delphi 7 Difficulty: 5 / 10 Accepted solutions: serial, keygen If you solve this properly by making a keygen, I will send you a prize by PM. KeygenMe17.zip

      • Like
    • 5 replies
    • 5.1k views
  4. GIV
    UnPackMe · Started by GIV,

    First you need the V.F.P. 9 Runtimes installed. After a sucessful unpack you can post here the sources. UNPACKME.rar

    • 4 replies
    • 10.9k views
  5. Onlykl
    CrackMe · Started by Onlykl,

    Okay so i was bored and wanted to test my skills with pw crypting and such. This is my first crack me keygen me so please give me tips about next one because you will probably crack this one really easy No patching! I want to know my pw i forgot it and it stored as hash in .usr file in Data folder Image: Please Rate ?/10 Download is at bottom in attachment CrackMe.rar

      • Like
    • 3 replies
    • 4.5k views
  6. ChOoKi
    KeygenMe · Started by ChOoKi,

    My second kgm here and unlike my last one, this one is kept simple to encourage YOU to try it TOO. Have fun kgm11.zip

      • Like
    • 7 replies
    • 5.6k views
  7. acidflash
    UnPackMe · Started by acidflash,

    Should be simple enough esp with CondZero's fantastic tool..... I'll post a valid key if the armadillo killers amoung us need help with secure sections. -acid Armadillo_v6.04_UnPackMe.rar

      • Like
    • 53 replies
    • 30.6k views
  8. EvOlUtIoN
    UnPackMe · Started by EvOlUtIoN,

    Well, I know that execryptor 2.4.1 is actually quite old. But just click on protect is not enough, this itime i used some sdk, and also put a 5 uses trial, after 5 uses some strings are lost. And also i put some custom things that will make the target more hard. Difficulty: 3/10 Goal: unpack it and make it working forever. Good luck execryptor_unpackme_2009.rar

      • Like
    • 32 replies
    • 25.5k views
  9. al0nex
    KeygenMe · Started by al0nex,

    Language: .net Level: 9/10 Packer: N/A Require: A valid keygen for it Serial Fishing is acceptable, Not Patch http://www.mediafire.com/?rqq9klyfd1cmt32

      • Like
    • 6 replies
    • 6.8k views
  10. kobalt
    UnPackMe · Started by kobalt,

    Hi everyone If u want can try overpass the NAg from ZP 1.6 (licence key protection) CrackMe11.rar

    • 9 replies
    • 7.7k views
  11. acidflash
    UnPackMe · Started by acidflash,

    Here is the latest and 'greatest' Armadillo with all the toys used to protect my unpackme. PM or Post valid dumps, I wish to know how hard this is over v5 -acid Working key to unlock secure sections, only use if your skills can't handle them TUTS4YOU 000016-DJFTC0-8C0BU3-Z7WHXX-P4WZC7-5KP8N5-VRZFNE-8C4JJR-1F7VNN-HKQUPK UnPackMe_Armadillo_v6.rar

    • 30 replies
    • 16.5k views
  12. Ownage
    UnPackMe · Started by Ownage,

    Another good one, but this time the routine checking the password is a bit harder. I hope you will like it too. Unpacked.rar

      • Like
    • 3 replies
    • 5.5k views
  13. Levis
    KeygenMe · Started by Levis,

    Here is a new keygenme for you. Try to keygen it Patching is not allowed Serial fishing is acceptable Keygen is the best solution Level: 3/10 Language: Delphi Image: Download: Good luck! keygenme#2.zip

      • Like
    • 6 replies
    • 14.3k views
  14. Ownage
    CrackMe · Started by Ownage,

    This is a easy FindMe level which I solved during a competition and I found it very interesting. I hope you will enjoy it. Have fun, password required. Unpacked.rar

    • 4 replies
    • 5.9k views
  15. estelle
    UnPackMe · Started by estelle,

    !- Protected Armadillo Protection system (Professional) !- <Protection Options> Debug-Blocker CopyMem-II Enable Memory-Patching Protections !- <Backup Key Options> Fixed Backup Keys !- <Compression Options> Better/Slower Compression !- <Other Options> 49347A80 Version 6.24 02-12-2008 !- Elapsed Time 00h 00m 01s 703ms Armadillo_V6.24.rar Unpack.rar

    • 4 replies
    • 9.6k views
  16. Vic
    KeygenMe · Started by Vic,

    Link to download it: http://www.mediafire.com/?p8ghmx2b9pvlazz Level: ?/10 Only find the serial or keygen it. Write a tut for it if u done and can. Source code: Download [Password] To public when this topic was done. Best regard, vic4key

      • Like
    • 4 replies
    • 4.1k views
  17. Ownage
    UnPackMe · Started by Ownage,

    Find a printable string that the program would print ultimately. Have fun, firstly by unpacking Unpack.zip

    • 8 replies
    • 6.5k views
  18. kao
    CrackMe · Started by kao,

    At this year's RSA2012 conference, Sophos is giving away cool crypto-puzzle T-shirts. Meet us on Booth #1817 and claim yours! You don't have to be at the show to take part in the puzzle. The text to use in solving the puzzle is shown below: #include~<string.h>!int~putchar(int~c);char~*m="noncen.cmh/alu/puyxs.hrhb\xd\xa";void~main(int~argc,char~**argv){if(argc>1&&strlen(argv[1])==8){int~i=0;while(*m){putchar(*m+(*m<0x41?0:argv[1][(++i>8?i=1:i)-1]-0x61));m++;};};} Solve this puzzle and you'll get a URL. Visit the URL and you'll face the second stage. Solve this and email the answer to Naked Security writer Paul Ducklin and get in the draw to win a NE…

    • 11 replies
    • 6.2k views
  19. mudlord
    UnPackMe · Started by mudlord,

    http://www.mudlord.i...ators/mugbx.exe http://www.mudlord.i...ators/mugbx.key http://www.mudlord.i...llotuts4you.txt />http://mudlord.info/temp/mugbx_unpackme.exe Uses the licensing system of Sheilden, plus all antidebug/obfuscation options, except the VM. Keysize is RSA-1024, using HWID locking. This is my own Gameboy emulator, packed with it. Hopefully the txt file is enough proof of this.

      • Like
    • 12 replies
    • 9k views
  20. ghsafsdfsdhfghfgjhgkj
    KeygenMe · Started by ghsafsdfsdhfghfgjhgkj,

    Builder - Visual Basic 6.0 Packers - Protectors -NsPack -PeCompact -Mew -UPX -Custom Note - No Patching! - Write Keygen. Size : 16,4 KB

      • Like
    • 6 replies
    • 5.3k views
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  21. DE!
    KeygenMe · Started by DE!,

    Here's a thingie i made some long time ago, nothing fancy and not so difficult i guess so go ahead No patching, only a solution is a keygen I used UPX to compress Note : When using an invalid name and code combination, you'll get an access violation. Have fun. KGM!DE_1.rar

    • 5 replies
    • 6.2k views
  22. tarequl.hassan
    KeygenMe · Started by tarequl.hassan,

    Just KeyGen WITH SOURCE CODE IS ALLOWED http://www.mediafire...5ddzgnqtxwt06np KeyGenMe by tarequl.rar

      • Like
    • 10 replies
    • 7.7k views
  23. mdj
    UnPackMe · Started by mdj,

    hi all this file(vfp 8) packed like refox brand iii any one unpack it and pls post tutorial how can unpack link : http://uppit.com/zitdhnknnlw3/personal.rar thanks regards mdj

      • Like
    • 5 replies
    • 12.7k views
  24. smallyou93
    UnPackMe · Started by smallyou93,

    forward from http://www.52pojie.c...102581-1-1.html which is protected by ximo "Resource Protection" is a new protection option which is start appearing on the version 2.08, It is really difficult to unpack because of this protection. UnPackMe.rar

      • Like
    • 16 replies
    • 16k views
  25. tarequl.hassan
    KeygenMe · Started by tarequl.hassan,

    Here is a KeyFileMe. Lets Have a Try. Make a keyfileGenerator. Thanks for try. KeyfileMe.rar

      • Like
    • 5 replies
    • 6.3k views

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