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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. Mouradpr
    CrackMe · Started by Mouradpr,

    it's a kegen written by a friend of mine at AT4RE get a valid serial for your name no patching http://www.4shared.com/file/14514895/246b9...Challenge4.html Challenge4.rar

    • 24 replies
    • 8.3k views
  2. Guest floodeur-666
    CrackMe · Started by Guest floodeur-666,

    Cracked by pavka GG

    • 2 replies
    • 5.7k views
  3. Mouradpr
    UnPackMe · Started by Mouradpr,

    Challenge_2007___.rar link updated Good luck For all Super Cracker & Angel-55 yes this is a real challenge fOr you, les autres essy. ... hmmmmmmmmmm Try agin

    • 30 replies
    • 10.5k views
  4. Guest floodeur-666
    CrackMe · Started by Guest floodeur-666,

    cracked by Mouradpr

    • 3 replies
    • 5.4k views
  5. Teddy Rogers
    UnPackMe · Started by Teddy Rogers,

    unnamed Scrambler 2.5.2 http://tuts4you.com/download.php?view.1685 Ted.

    • 1 reply
    • 4.4k views
  6. Teddy Rogers
    UnPackMe · Started by Teddy Rogers,

    ARM Protector 0.3 http://tuts4you.com/download.php?view.1689 Ted.

    • 3 replies
    • 6.2k views
  7. Guest floodeur-666
    CrackMe · Started by Guest floodeur-666,

    cracked by high6

    • 1 reply
    • 3.8k views
  8. Guest floodeur-666
    CrackMe · Started by Guest floodeur-666,

    cracked by SHKODRAN

    • 2 replies
    • 7.2k views
  9. Guest floodeur-666
    CrackMe · Started by Guest floodeur-666,

    Cracked by Whiterat

    • 4 replies
    • 13.1k views
  10. Guest floodeur-666
    CrackMe · Started by Guest floodeur-666,

    CrackMe owned by high6

    • 2 replies
    • 4k views
  11. high6
    CrackMe · Started by high6,

    My first crack me and my "first" C++ app(I have made dlls before but not exe). http://www.mattsbox.co.uk/high6/Files/crackme1.rar crackme1.rar Have fun . If you think you have it check the hint first. Hint: The messagebox is a fake .(the correct password doesn't have a messagebox popup) Note: Not packed. Hint2: There are over 100 jumps and over 200 calls to assemble the password.

    • 11 replies
    • 6.7k views
  12. Guest floodeur-666
    CrackMe · Started by Guest floodeur-666,

    CrackMe owned by Till.ch

    • 3 replies
    • 6.3k views
  13. Teddy Rogers
    UnPackMe · Started by Teddy Rogers,

    Soda mailed me to tell me ASProtect 2.3 SKE was listed in a tutorial on the site but the unpackme was not listed in the unpackme's. Seems that since the change over to the new site layout it got removed For those interested in it you can find it here: http://www.tuts4you.com/download.php?view.1684 I'll have to double check and make sure there are no others that slipped past during the site update... Ted.

    • 0 replies
    • 7.9k views
    Teddy Rogers
    Teddy Rogers
  14. Mouradpr
    UnPackMe · Started by Mouradpr,

    UnpackME.rar Good Luck

    • 3 replies
    • 4.2k views
    SuperCRacker
    SuperCRacker
  15. PiONEER
    CrackMe · Started by PiONEER,

    Hello, pio-#1 cRackMe A easy crackMe try it... Want: Cracked.exe/Patch Level: 1/10 Coded: Delphi Packed/Protected: cRackMe is Attached! greetz pio__1.cRackMe.crackme_SND.zip

    • 9 replies
    • 8.4k views
  16. lena151
    CrackMe · Started by lena151,

    GOAL: Goal is to register the ReverseMe. This is visualised if it says at startup "REGISTERED to:" followed by the name you registered it for. ABOUT: Mostly byte coded in assembler (masm). Not packed. You may either patch, fish or keygen. More info in About box. Obviously, no aesthetic-patching-only allowed. INFO: It's not the algo that makes the challenge! The algo is short and easy, the real challenge lies in the obfuscation and stuff! I take my hat off and bow deep for those bringing a valid solution! Please explain how you did it. MORE INFO: On a sidenote: it was also a challenge for me as I had never byte coded such a long part in one target. Don't be surprised when…

    • 18 replies
    • 14.3k views
  17. Teddy Rogers
    UnPackMe · Started by Teddy Rogers,

    tElock 0.99 http://tuts4you.com/download.php?view.1678 Ted.

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

    NTkrnl Protector 0.15 http://tuts4you.com/download.php?view.1677 Ted.

    • 0 replies
    • 5.6k views
    Teddy Rogers
    Teddy Rogers
  19. ChupaChu
    KeygenMe · Started by ChupaChu,

    Ok, here it is - easy VB6 coding, easy upx packed.. only one RULE: - no cracking/patching, just *fish* for it This is my first fishme so dont be dissapointed if it's too easy, its good to practice, right :?) serialFishMe_byChupaChu.zip *there are many solutions possible for this one* so keygening it could be a challange also - but then you must write a tutorial for this one Have a nice day!

    • 0 replies
    • 3.7k views
  20. Teddy Rogers
    UnPackMe · Started by Teddy Rogers,

    Celsius Crypt 2.1 http://tuts4you.com/download.php?view.1620 Ted

    • 2 replies
    • 4.6k views
  21. Guest Tax
    CrackMe · Started by Guest Tax,

    HHHiii teammm!!!! I

    • 4 replies
    • 4.6k views
  22. Teddy Rogers
    UnPackMe · Started by Teddy Rogers,

    AsCrypt 0.1 http://tuts4you.com/download.php?view.1621 Ted.

    • 2 replies
    • 5k views
  23. Teddy Rogers
    UnPackMe · Started by Teddy Rogers,

    ChinaProtect 0.3 http://tuts4you.com/download.php?view.1619 Ted.

    • 0 replies
    • 4.3k views
    Teddy Rogers
    Teddy Rogers
  24. Guest anarky
    KeygenMe · Started by Guest anarky,

    Well out of boredom I decided to make a keygenme (incredibly simple routine) and to make it even easier I made it in .NET rather than VB6 Anyways, how fast can you get this one? http://dump.stoleyour.net/uploads/d6cb367683.rar

    • 1 reply
    • 4.7k views
  25. Ufo-Pu55y
    UnPackMe (.NET) · Started by Ufo-Pu55y,

    DefuseMe #1 SerialFishing, Patching, (& Keygenning?).... Ready, Steady, Go ! -Homage to an old arcade game in the 80's (BombJack). -Written in VB .NET and not packed. -Needs .NET 2 to be installed. -No antis or difficult algos, but I tried to make it not too easy... DefuseMe__1_UFO_Pu55y.rar

    • 8 replies
    • 5.7k views

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