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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. _or_75
    UnPackMe · Started by _or_75,

    Project1_se.rar

  2. Hmily
    UnPackMe · Started by Hmily,

    Safengine Licensor v2.2.2.0 UnpackMe Safengine Licensor v2.2.2.0 UnpackMe.7z

      • Like
    • 26 replies
    • 19.3k views
  3. SHADOW_UA
    KeygenMe · Started by SHADOW_UA,

    My first .NET KeygenMe Protection: AppFuscator The goal is to find a valid key for your name and hardware id. No patching allowed. good luck KeygenMe_SHADOW_1.zip

      • Like
    • 27 replies
    • 15k views
  4. lolz2much
    UnPackMe · Started by lolz2much,

    Hello, here i share with you a packed file. PECompact v3.00.1 1-Unpack it 2-(Optional) Enable button to show the hidden mesage. Greetz. PEC300.rar

      • Haha
      • Like
    • 10 replies
    • 24.5k views
  5. CodeExplorer
    UnPackMe (.NET) · Started by CodeExplorer,

    [unpackMe] .NET Unpackme 1 Protected with my private .NET packer/protector. Unpacking it should be hard enough. Solution must be a runable unprotected assembly! NET_Unpackme1.zip

      • Like
    • 4 replies
    • 7.6k views
  6. Pr0c3ss
    KeygenMe · Started by Pr0c3ss,

    Keygenme 20 C# Keygenme 20.zip

      • Like
    • 9 replies
    • 7.6k views
  7. XorRanger
    KeygenMe · Started by XorRanger,

    Hello All, This is My Second KeygenMe in Delphi Solution: Only Keygens Are Allowed. A Tutorial Would Be An Added Bonus. Language: Delphi Packer: UPX. Simply Use "upx -d " to Decompress Level: You Decide. Please Solve. Thanks http://up.ht/1dPLT9w

      • Like
    • 14 replies
    • 6k views
  8. XorRanger
    KeygenMe · Started by XorRanger,

    Hello All, Another Challenge For You All. Solution: Only Keygens Are Allowed. A Tutorial Would Be An Added Bonus. Level: You Decide. Please Solve. Thanks. Download http://up.ht/1a89iC4

      • Like
    • 15 replies
    • 7.3k views
  9. kaloom
    CrackMe · Started by kaloom,

    Greetings, DL: http://www.multiupload.com/85T0QRJYWU When you Crack it Tell me The Code i have inside it it is only one line code. Regards. CrackMe.zip

    • 5 replies
    • 7.3k views
  10. ChOoKi
    KeygenMe · Started by ChOoKi,

    One more fish to fry P.S: As always, a keygen is the only accepted solution here, feel free to make a tut for others if you like. Patching is NOT allowed, wanna patch something? look for a [patchme] or a [crackme] instead. If you decide to code a keygen, try to keep your asm ripping techniques to a minimum if possible. Enjoy kgm14.7z

      • Like
    • 6 replies
    • 7.1k views
  11. LoLLo90
    UnPackMe · Started by LoLLo90,

    I have played a little with invalid metadata... Who can completely deobfuscate this? The keygen isn't mine, it is written by Mr.Haandi; i only used as a random exe to protect. The goal is deobfuscating, not cracking nor keygenning. DeobfuscateMe.rar

    • 2 replies
    • 7.5k views
  12. converse
    UnPackMe · Started by converse,

    UnPackMe Safengine Shielden 2.2.4.0 please unpacking video tutorial pass - 123 UnPackMe Safengine Shielden 2.2.4.0.rar

      • Like
    • 8 replies
    • 9.5k views
  13. xh5510
    CrackMe · Started by xh5510,

    cm.zip a novice‘s work Success:

    • 1 reply
    • 5.8k views
  14. Onlykl
    CrackMe · Started by Onlykl,

    Hey guys i was working on my simple login system, crack it and tell me what to improve? There is no obfuscator used Easy Login System.zip

      • Like
    • 2 replies
    • 6.2k views
  15. JJHACKER
    CrackMe · Started by JJHACKER,

    Find a way to get in Acceptable Solution: 1- Create a program that automatically design gesture 2- Make a tut to show how program read and check the gesture GesMe1.zip

      • Like
    • 7 replies
    • 6.3k views
  16. LoLLo90
    UnPackMe (.NET) · Started by LoLLo90,

    Codecracker tool and de4dot won't work. Let's see who is the first to deobfuscate this! http://uppit.com/z00v96yhxc6a/ilprotected.rar ilprotected.rar

      • Like
    • 7 replies
    • 8.9k views
  17. LoLLo90
    CrackMe · Started by LoLLo90,

    https://mega.co.nz/#!dp0nwAaA!V0C3QDOUf5-DxMLfUCy-hwOSWAVdCb_WrGBXMW7EU2M I modded the obfuscation to make de4dot fail. Anyone wants to try to deobfuscate this? mod-smartass-deobme.rar

      • Like
    • 12 replies
    • 10.3k views
  18. Derberux
    UnPackMe (.NET) · Started by Derberux,

    I guys this is my first unpackme, i hope you like it Enjoy!!

      • Like
    • 17 replies
    • 8.6k views
  19. ChOoKi
    KeygenMe · Started by ChOoKi,

    Another kgm to try, packed with an easy packer and relatively easier than kgm14. Enjoy. kgm15.7z

      • Like
    • 13 replies
    • 7.8k views
  20. MassZERO
    CrackMe · Started by MassZERO,

    obfuscators and mixed If you succeed to unpack please make a documentation. Crack me <- by DeaLyDeviL CrackMe.rar

      • Like
    • 9 replies
    • 6.5k views
  21. HellSpider
    UnPackMe · Started by HellSpider,

    Hi. Attached package includes 2 unpackmes. One of them uses a TIGER (Black) VM and the other uses a FISH (Black) VM. There is not really anything to unpack, the goal is rather to devirtualize the VMs. The virtualized functions are quite small: ~20 ASM instructions. The virtualized function executes when you press F1. Unpackme is coded in MASM. unpackme_cv_2.0.3.0_demo.rar

    • 2 replies
    • 12k views
  22. Pr0c3ss
    KeygenMe · Started by Pr0c3ss,

    Hi , Series RCG Keygenme 17 RCG Keygenme 17.zip

      • Like
    • 3 replies
    • 5.1k views
  23. Pr0c3ss
    KeygenMe · Started by Pr0c3ss,

    Language : C#Platform : VS 2013 RCG Keygenme 16.zip

      • Like
    • 4 replies
    • 4.8k views
  24. SReg
    UnPackMe · Started by SReg,

    All Protection Options UnpackMe.rar

      • Like
    • 11 replies
    • 13.5k views
    metzskb@gmail.com
    metzskb@gmail.com
  25. XorRanger
    KeygenMe · Started by XorRanger,

    Hello All, This is My First KeygenMe in Delphi Solution: Only Keygens Are Allowed. Language: Delphi Packer: UPX. Simply Use "upx -d " to Decompress Cryptos: None. {I Really Hate Cryptos} :winks: Level: You Decide. Please Solve. Thanks Could One Of The Mods Help Me Attach The File. I Am Having Issues Attaching it to The Forum. http://up.ht/1bdwSXM

      • Like
    • 8 replies
    • 5.8k views

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