Challenge of Reverse Engineering

V.EASY? CrackME #2 BUT HARD Protected with nBinder v5.5 Protection: Find Correct Serial Compression: MAX Cryptography: Enabled NoTe: If Any First Person DiD iT? *MAKE TUT* I will give U Mod Rank on my SITE. SO? Be Hurry! eNjOy! CrackME__2.rar

Algorithm:(算法) Chinese code 声明变量:(A number of variables) 文本型(01):变量1 变量2 变量3 变量4 变量5 变量6 变量7 变量8 变量9 变量10 变量11 变量12 文本型(02):A B C D E F G H I J K L M N O P 文本型(03):注册码 用户名 常量(常量): 常量1= 4 常量2= H 常量3= S 常量4= Q7 常量5= 2 常量6= 6 常量7= 84 常量8= G 常量9= RR 常量10=D 常量11=B 常量12=KB 常量13=T1 // 常量14=1 常量15=2 常量16=3 常量17=Q7 常量18=4 常量19=5 常量20=67 常量21=8 常量22=RR 常量23=0 //零 常量24=T 常量25=BK 常量26=1T // 常量27=314 常量28=515 常量29=T3R 常量30=QR 常量31=7B 常量32=52 常量33=69T 常量34=890 常量35=RN1 常量36=9 常量37=22B 常量38=T2C 常量39=B134K 常量40=1231T // 常量41=414 常量42=525 常量43=R3R 常量44=Q7 常量45=74 常量46=58 常量47=697 常量48=898 常量49=RR1 常量50=9 常量51=B 常量52=TC 常量53=B1k…

not so much for protecting, I made it just to prove the point that protection can be done in many different ways :/ the goal is to make a script Detemida_np.rar

China crackme.rar

Ok, I've improved it a bit.. and added some cool things I hope this time could take more than just 1 min to unpack it unpackme.rar

Hi , This KeyGenMe coded with using ElGamal algorithm [ Discrete Logarithm ] and Digital Signature Scheme method KeyGenMe Coded with Small key Size For understanding [ Signature Scheme ] method Prog.Languge : Delphi 7 ------- Download Link ----------------------------------- http://www.zshare.net/download/20427257a6e16a7e/ --------------------------------------------------------------- Try To Write KeyGen or Find Serial For Your Name ,,, If you write keygen , please write Short tutorial ,,, Good Luck ... !! RobenX

An improved version of ModdedFog protector Do as usual Download:

This is the most sophisticated CrackME I ever wrote .... I hope everyone tries with it, You must write a keygen and a tutor. Good Luck http://rapidshare.com/files/157996927/Released.rar.html

A new challenge This time just require some minutes to reverse it I want to see a keygen for this baby Note: 1 name have many serials! As always, no patching.. no bruteforcing.. Enjoy! simpkgm.rar

Here we go, friends of .NET & other sh!t ! :biggrin: This was a fast one today evening, but I'm sure it's not easy to solve. It's clean and small, but might turn out as a hard nut :dry: Level : Bitch Good luck ! CrackMe.zip PS: Yes, it IS keygenable.. but just bring me that goodboy and u're actually done.

Good Luck WinLicense_UnPack_Me_.rar

Rules 1. No Patching 2. No Self-Keygens (Refer to rule #1) 3. Write A Tutorial If You Feel Like It Good Luck Dustyh1981 DrPepUr__4_KeyGenMe.zip

Simple Winlicense unpacking / watermark removed (at least it seems to be). Unpack / try to get info out of file. If you do get the info, plz PM it to me rather then post my information Anti_WinLicense_watermark.rar

This IS my website and the program I believe is pretty secure, however if you can crack it, I will give a small $50 usd reward out to the first person to do it. If you are interested in trying PM me and ill set an account up for you on my application. It is for a cheating site. I sell hacks for games such as battlefield, counterstrike, call of duty, etc Sic_2.0_Setup.zip

no anti,no trick. i hope someone can provide a valid regcode.or point the model of this crackme. crackme08031401.rar

it is a easy one. hope someone provide a valid regcode.or provide a keygen. add a English version ...sorry. crackme080524.rar crackme080524_e.rar

In The Name Of God Sane KeyGen Me !!! Goal : Write KeyGenerator or just find valid name & serial . SANE_KeyGenME.zip

Well I was a litle bit tired of software keygenning. Decided to make real some ideas. Now here are the rules, let e see if I am clear: -NO DAMN patching -NO NASTY memory hackers/Fishers -FISH a serial for the "serial" field. Create a keygenn for Activation process. Protections: I won't tell of course, but it has criptos for sure [hide] http://www.sendspace.com/file/0ut381 [/hide] Edit: Attached file to topic.ZumasGenMe5.zip

Heya back, i have decided to drop by in here my 4th challange. It contains a Self-Made cripto wich I called C-LOCK hasher. The main exe is packed and waiting for you efforts. I hope you liked my work, but be aware, if you are a newbie, try something different . And once this challange is solved, I will release the source code of C-LOCK Hasher. Rules/details: type: keygen-me rules: NO Serial-fishing, NO patching, HAVE fun! Link: [hide] http://www.filefactory.com/file/22e02c/n/keygen-me4_by_zuma_zip[/hide] Later, Edit: Attached file to topic keygen_me4_by_zuma.zip

hehe this is my first keygenme maybe it's interesting dont forget read the readme inside KeygenMe_1.rar

Newbie Challenge #2 by HMX0101 The next one in the series! This time you don't have to do serial fishing You've to do something more interesting!... Keygenning! This one looks more simple and easy than previous one The algo is pretty straightforward, so.. The rules! - Make a nice keygen... I've one, you're jealous? - Don't patch Enjoy! NC2.zip

PEDIY_CrackMe_2007 BP GetDlgItemTextA 名称在 unpacked, 项目 4 地址=00403120 类型=导入 (已知) 名称=USER32.GetDlgItemTextA 77D6AE36 > 8BFF MOV EDI,EDI 77D6AE38 55 PUSH EBP 77D6AE39 8BEC MOV EBP,ESP 77D6AE3B FF75 0C PUSH DWORD PTR SS:[EBP+C] 77D6AE3E FF75 08 PUSH DWORD PTR SS:[EBP+8] 77D6AE41 E8 888FFBFF CALL USER32.GetDlgItem 77D6AE46 85C0 TEST EAX,EAX 0012F9B0 0040153E /CALL 到 GetDlgItemTextA 来自 unpacked.00401539 0012F9B4 003E0AEE |hWnd = 003E0AEE ('TheBigMan's CrackMe #6',class='#32770') 0012F9B8 00000065 |ControlID = 65 (101.) 0012F9BC 0012F9D0 |Buffer = 0012F9D0 0012F9C0 0000010…

hi to all people of here i supply a new keygen me for test people's Note : Just write a keygen protection : BASE 64 table download link : attached to this topic Bye KeyGen_ME_5_Under_SEH_Team.zip

Hi All People Of This Board KeyGen Me # 2 Written By Borland Delphi 7 Note : Not Allow To Patching , Just Find Algoritm And Write A KeyGen , Not Allow To SeriaL Fishing download Links : or Best Regards , GioTiN - Under SEH Team

Here is an unpackme of ZProtect 1.3: http://www.tuts4you.com/download.php?view.2339 Ted.