Challenge of Reverse Engineering

I've never seen x64 KeygenMes before, so I thought why not write one. This is my first x64 code. I hope there are no bugs. I kept the algo fairly simple and wrote it in MASM. Rules: - No patching! - No bruteforcing in keygen! Since there aren't any great x64 debuggers available, please tell me what debugger you used to solve this, so I could get a small overview of what people use for debugging x64 code. In case you don't know what debugger to use, I'll give you a starting point. Consider using FDBG. It's also the debugger I used to test this KGM. Good Luck! KeygenMe x64.zip

A keygenMe including a keygen. Now What to do? Yes Make your won keygen and send it to me tarequl.rar

Protection : Pc-Guard 5.x [Demo] [ 20 RUN LEFT! ] - 20 run after, use Trial Reset. PeCompact [Old Version 2001] - No Patching. - Write Keygen. Registration Example : System Code : 9024011 UserName : ProMasteR Key: pf0pszEpgvFFN/7Dzia40IzwmrggH8iIpnzg3HFKzeposLPOvYczJ UQzEe3mxifnz32qFzu6+quQlvPy142tQWFSRgieWZ+t0JMAYEIf WKf6v8cUUtoys9hhwwwv3glfJrMthewEG33KZoobknW1YW/4Uq Zstu6SxMPU6IXTZ5s= Rar Password=1 />http://www.mediafire.com/?1b1569w5bp6uyee />http://www.multiupload.com/0XW5EK0N13 />http://www.mirrorcreator.com/files/FWACQVSU/KeygenME.rar_links I don't know English!

[unpackme] ★★Uncrackable★★ login system CrackMe V3 [No Obfucated, No anti protection] by Death all credit goes to Death Exe and DLL Not Obfucated. need .net frame work CrackMe.rar

Hi, Plz Unpack this Unpack me ! unpacked file must have msgbox Correctly! Level ? Test3.rar

Happy New Year! welcome to test it~！my friend！ NOTEPAD_VP 1.88.rar NOTEPAD_VP 1.92.rar

Hi, I've created a new .exe that protected with Enigma v2.60 Have fun Enigma.v2.60_20110523.UnpackMe.rar

Crack the code and get a job working for GCHQ... />http://www.canyoucrackit.co.uk/ Ted.

Hi,everyone Unpack this one WinLicense V2.1.9.rar

Unpack and send to me your tutorial or script. Here is my email: blueskys0702@gmail.com.Thanks UnPackMe WL 2.1.9.rar

This is my fourth Project Crack Me!. with variations asscii encryption password. Crack Me #4.zip

Hello, I created a small program to a geotechnical laboratory in VB6. and I would like now if it is easily crackabe or not so I created a small crackme the basis of the original code.I want a tutorial if possible thow to crack it I also need to now if protection is sufficient or not. What is the best packer or encrypter program to protect my soft? Thank you for Help. CrackME with DLL's http://www.mediafire.com/file/llz21djpt8r6xjb/CrackME.rar CrackME.rar

hi buddies. im back now with my present! Here is my latest unpackMe. Enabled Option Code Replace Inline Stub + Anti Attach Anti Debug Anti Dump Enhanced NanoMites Dark Code Try To UnPack and surely notice the Protection Difficulty Level. Download Sepanta Protection Beta 1.0 UnPackMe Regards Raham

Since my last KGM was too simple, then here's another one. This one should be harder. KeygenMe16.zip

This is my final crackme app as there will be no more. I hope those who download it will enjoy destroying it. I have tried it on XPSP2 & XPSP3 and it will run on both with the proviso it is not blocked by excessive hooking of dlls by firewall, AV or other app. It will also fail to run if it finds anything it does not like in various places. Please read the Readme file before attempting it. Cheers InsaneFIDO FarewellUnWrapMe.zip

Enjoy another cute keygen me Rules are quite simple : KEYGEN IS THE ONLY SOLN. @Encrypto : Here goes another challenge. cant access cm.de for some reason Download ReverseMe.rar Regards KKR

A crackme by my friend x0pc ( his first ). The crackme is not encrypted. Rules: - No brute forcing, - Write a solution how you cracked / wrote your keygen. Have fun! xCrackMe.rar

Since This forum is still active and it is full of High level reversers I thought that it is the time to share one of my keygenmes that I have ever made well in 2009 but it stills cool 2 me . BTW all solutions r accepted. anyway give it a shot ,do your best and make me proud of you. Check out my NewHitman's Keygenme#7 http://forum.tuts4you.com/topic/24609-nh-keygenme7/page__p__116942#entry116942 Best Regards NewHitman NHKM6.zip

Crack Me This is my fifth make, hmm .. lately I mostly play games, so I rarely make anything. CM #5.zip

No patching! Valid solution is only a keygen KeygenMe4.zip

Hi Please Unpack and write a tut Enabled Options : [+] Anti OllyDbg [+] Anti Dump Protection [+] IAT Redirection

[unpackMe] SampleCrackme CodeVeil3x SampleCrackme CodeVeil3x.zip

Please Unpack and Crack it Options : Best Regards Magician

My first keygenme here, not too hard, not too soft, cooked al dente from an old recipe. Enjoy />http://www.sendspace.com/file/zqiwno k.g.m.1.0.rar

Hello Masters Please Unpack Attached Unpackme , This file was protected by Cli_Secure Obfuscator Enabled Options : Thanks.