Challenge of Reverse Engineering

Hello all mates, This keygen i created today, just for fun, and for who want to test their reversing skills. It's an easy one ( as i said in the title, very simple ), so feel free to defeat it. Name :Levis's Simple Keygenme05 Language: Borland Delphi Packer : N/A Level : Tell me? PlAyInG rUlEz: Only keygen accepted, serial fishing is okay, but will not be valid solution. and, of course , no patching at all ; Demo picture: Download(some errors fixed) : or attached file below. All bug reports are welcome. You can post solution here, and would be better if you post solution at this place(my thread at RePT's Forum Enjoy and best regards, Levis Edit: Bugs w…

Hi all, just a small chalenge... Language: Masm32 Packer :None Protection:Custom Rules :All methods allowed, just have some fun... whait for some feedback... bye, 5k3l3t0r CrackMe#1-2012.rar

Somewhere on your hard drive (obviously not going to say, the quest is with you) was generated, a file .ini containing the correct serial. If it is easier for you, find that file. large file, but is due to skin utilized. Good fun. Name: SerialMe#7 Language: Autoit Level: Easy Packer: Not Obfuscation: Yes Rules: Valid Serial Not Patching SerialMe#7.rar

from chinese LCGUnPackMe.rar

Hello Guys ! i m posting this keygen me on my friend CybotX's behalf Download it here : http://uppit.com/7rsm4n22iggp/KeyGenMe.rar Happy Keygenning !!

Another simple example. I'll await the gentlemen with their solutions. good fun and good luck Name : KeygenMe#6 Language : Autoit Level: ????? Packer: MPRESS v2.19 Obfuscation: Yes Rules: Keygen Not Patching Not Serial Fishing Hug KeygenMe#6 v2.19.rar

Back after a weekend with lectures.....Another simple example. After of finalized. I found a small bug.....but purposefully, I resolved to leave it with this bug. Maybe give a cheer more for anyone trying to solve it. I'll await the gentlemen with their solutions, and soon I'll post my keygen, good fun and good luck. Name : KeygenMe#5 Language : Autoit Level: ???? Packer: Not Obfuscation: Yes Rules: Keygen Not Patching Not Serial Fishing Hug KeygenMe#5.rar

Rating: Easy / Medium This is my first ever crackme/keygenme/keyfileme. It is programmed in .net (VB but in Reflector they all look the same ;-) ) It needs .net 4.0 Client Profile. It is obfuscated but its easy to remove and I think its not made much harder. Make a working keyfile for the Enterprise or Ultimate versions or better make a keyfile gen. Maybe do a tut to show how this protection could be made better (it could). BB KeyFileMe01.zip

Another simple example......good fun and good luck. Name : KeygenMe#4 Language : Autoit Level: ??? Packer: UPX Obfuscation: Yes Rules: Keygen Not Patching Not Serial Fishing Hug KeygenMe#4.rar

Hi this is my frist keygenme its not packed or somthing. level=?? //your can say what for level it is Rules only are keygen is allowed. Greetz all ex members from UF. For the old UF members for this your need 2 min i thing. If your whant your can make are keygen tut on how to keygen this keygenme. Ok try it now the bug is fixed. rsaa.7z

A very simple example, to relax Name: SerialMe#6 Language: Autoit Level: ? Packer: Not Obfuscation: Code (Base64) Rule: Find the Valid Serial Not Patching Hug SerialMe#6.rar

This example slightly more complicated (but only slightly).......Thus, children leave the room and leaves the adults working. Name : KeygenMe#3 Language : Autoit Level: ?? Packer: Not Obfuscation: Yes Rules: Keygen Not Patching Not Serial Fishing Hug KeygenMe#3 + My Keygen.rar

Made this crackme and hope you guys enjoy it. Rules : + No patching + Create a keygen Notes : + If you want - write a tutorial and explanation of how the debugging checks work anyway... enjoy p.s : i'd like to know you opinion on how hard this is out of 10. thanks ! zke-cm#2.rar

Another simple delivery....much easier, for everyone to participate It's so easy, In 10 minutes someone has already solved....Be you, the first. good luck. Name : PatchMe Language : Autoit Level: Beginner Packer: Not Obfuscation: Not Rules: Remove NAG Patching = Bronze Serial Fishing = Silver Keygen = Gold Hug PatchMe.rar

Name : KeygenMe#2 Language : Autoit Level: 2 - 10 (I believe) Packer: UPX Obfuscation: Not Rules: Only Keygen The keygen is ready, but only next week.......good luck Hug KeygenMe#2.rar

DellDell P-CODE numbers try 2 make a keygen or just post your Name and serial so I can check it Only with the right serial is going to show the right message if is not the right serial is not gonna show the message I have to say that I put strings that do nothing so keep this in mind when you search for strings please consider that I just tested on Xp if not work on other OS put it in the Recycle Bin Have fun Thank you DellDell P-CODE numbers.rar

Another simple keygenme for your enjoyment... Name : KeygenMe# Language : Autoit Level: Beginner Packer: Not Obfuscation: Not Rules: Only Keygen Hug KeygenMe#.rar

Hi all, It is a simple app with a nagscreen . Try to remove nag secreen Best of luck !! P.S. This is 4 beginners only , LOL Crack me#1.rar

Name : Crackme "Playboy-Me" Language : Autoit Level: ? Packer: UPX Obfuscation: Medium Rules: Not patching PS.: Not recommended for women and girls, and prohibited for children under 18 years. PS2.: This size of 5MB, is due to that .mp3 file it is together with crackme. Download: http://rghost.net/40801755 https://dl-web.dropbox.com/get/CrackmePlayboy-%20Me__by%20C0M3ND4D0R.rar?w=722dd64b http://www.4shared.com/rar/2Bh5sv6Y/CrackmePlayboy-_Me__by_C0M3ND4.html Hug

Just make a valid keygen Compiler: VC++ 6.0 Level: beginner KeygenMe#1.rar

Just make a valid keygen Level: beginner KeygenMe#2.rar

h @all i have coded a simply crackme your job is find a valid serial and make a video-tutorial for learning dbg dll. greets ragdog serialme.rar

Hello all mates, Here's the new keygenme, for who want to playing with dotNET application. Name : Levis's .NET keygenme02 Language : MS VB.NET Level: ?/10 Packer: N/A Rules: No patch, no fish, only keygen accepted Download it here and hope you enjoy it Screenshot: levis-keygenmedotnet2.7z Thanks for trying

Keygenme 2 [ C# ] Code By ; Pr0c3ss Language = C# Seviye ;2 Kod: Keygenme 2.rar

Keygenme1 [C# ] Easy Keygenme Language : CSharp Code By :Pr0c3ss http://www.mediafire.com/?xjhr6idl297602lNo Pathc Keygenme Plesa