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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

A topic will then automagically be created and posted in these forums...

  1. Teddy Rogers
    UnPackMe · Started by Teddy Rogers,

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

    • 3 replies
    • 5.1k views
  2. Teddy Rogers
    UnPackMe · Started by Teddy Rogers,

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

  3. Teddy Rogers
    UnPackMe · Started by Teddy Rogers,

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

    • 1 reply
    • 7k views
  4. Guest Cyclopz
    KeygenMe · Started by Guest Cyclopz,

    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

    • 0 replies
    • 5.8k views
  5. Ufo-Pu55y
    UnPackMe · Started by Ufo-Pu55y,

    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

    • 10 replies
    • 5.8k views
  6. ap0x
    UnPackMe · Started by ap0x,

    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…

    • 21 replies
    • 9.9k views
  7. diamond_sh
    UnPackMe · Started by diamond_sh,

    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

    • 3 replies
    • 7.9k views
  8. Mouradpr
    UnPackMe · Started by Mouradpr,

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

    • 2 replies
    • 6.3k views
  9. Teddy Rogers
    UnPackMe · Started by Teddy Rogers,

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

    • 2 replies
    • 4.7k views
  10. rendari
    UnPackMe (.NET) · Started by rendari,

    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/

    • 20 replies
    • 13.2k views
  11. Ufo-Pu55y
    UnPackMe · Started by Ufo-Pu55y,

    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

      • Thanks
    • 6 replies
    • 9.3k views
  12. Teddy Rogers
    UnPackMe · Started by Teddy Rogers,

    fEaRz Packer 0.3 http://tuts4you.com/download.php?view.1874 Ted.

    • 1 reply
    • 4.2k views
  13. Teddy Rogers
    UnPackMe · Started by Teddy Rogers,

    MKFPack http://tuts4you.com/download.php?view.1869 Ted.

    • 1 reply
    • 13.3k views
  14. Teddy Rogers
    UnPackMe · Started by Teddy Rogers,

    AverCryptor 1.0 http://tuts4you.com/download.php?view.1876 Ted.

    • 1 reply
    • 8.3k views
  15. B_S
    KeygenMe · Started by B_S,

    This is my third KeygenMe... Some call it easy and some call it hard... don't forget no patch KeygenMe.rar

    • 23 replies
    • 7.8k views
  16. Guest void
    CrackMe · Started by Guest void,

    Objective: Find the password. No patching. Obfuscation: Moderate Coded in: C++ voidsCrackme.rar

    • 3 replies
    • 4.2k views
  17. Teddy Rogers
    UnPackMe · Started by Teddy Rogers,

    12311134 (strange name) http://tuts4you.com/download.php?view.1815 Ted.

    • 6 replies
    • 6k views
  18. Teddy Rogers
    UnPackMe · Started by Teddy Rogers,

    PeCancer 2007 07 11 http://tuts4you.com/download.php?view.1784 Ted.

    • 12 replies
    • 6.3k views
  19. Mouradpr
    UnPackMe · Started by Mouradpr,

    hi all...!!! welcom a new challenge 2007(++++) (1) unpackMe----> & get a valid name & serial ok good luck for all UnpackME.rar

    • 10 replies
    • 5.5k views
  20. Guest CRIME
    KeygenMe · Started by Guest CRIME,

    To make functioned the keygen me was to you register you with like name: NC (= the 1st editbox contains NC) This keygenMe is not for newbies Enjoy your solution in ste.knu@laposte.net You have the right to make a keygen and to send it:) Loki Edit : Removed links as per original author's request (crackme was written for a challenge site). This crackme and others are found here: http://www.newbiecontest.org/

      • Confused
    • 11 replies
    • 7.6k views
  21. Teddy Rogers
    UnPackMe · Started by Teddy Rogers,

    PolyCrypt PE 2.1.5 http://tuts4you.com/download.php?view.1810 Ted.

    • 2 replies
    • 5.1k views
  22. B_S
    KeygenMe · Started by B_S,

    Yup, This is KeygenMe from Indonesian Reverser.... enjoy brother ... KeygenMe.zip

    • 0 replies
    • 8k views
  23. Teddy Rogers
    UnPackMe · Started by Teddy Rogers,

    KaOs PE-DLL eXecutable Undetecter http://tuts4you.com/download.php?view.1785 I couldn't get it to successfully protect a DLL... Ted.

    • 1 reply
    • 4.5k views
  24. pavka
    UnPackMe · Started by pavka,

    SteelHide (former MoleBox) Here key - PDLGY-X79SN-C5CKK--6vp3x-6ur94 (it is valid up to 18-th) Probably new MoleBox will be such crackmembox.rar

    • 2 replies
    • 4.1k views
  25. B_S
    UnPackMe · Started by B_S,

    This is new keris version try unpack this.... Just unpack not cracking ..... Havin' Fun UnPackMe.rar

    • 6 replies
    • 4.6k views

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