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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. HBK
    CrackMe · Started by HBK,

    easy crack-me for beginners find the correct password to gain access rules: no rules. you can patch, crack, brute or guess hint: length(password) < 6 brid.zip

    • 3 replies
    • 6.2k views
  2. CodeExplorer
    UnPackMe (.NET) · Started by CodeExplorer,

    [unpackme] .NET Spider 1.3 - .NET Protector Level : Hard SpiderNice - Just load Spider.Deobf.exe under Reflector and you will see how Spide works (even if is not the original crackme) NET.Spider.1.3.CrackMe.zip SpiderNice.zip

    • 0 replies
    • 8.2k views
    CodeExplorer
    CodeExplorer
  3. BLaCkViRuS
    UnPackMe · Started by BLaCkViRuS,

    Hi To All Friends This is new Obsidium version.if friends can unpack it,please make tutorial Regards BLaCkViRuS Unpack Me Obsidium 1.4.rar

  4. Apuromafo

    Canu is not easy, is VM Entrypoint is low 2.4.1 Full protected, delphi app os:Xp not tested in 7 protection:EC try to check imagebase (check the unpacked is low that normal other packeds) + restore stolen oep real, try to unpack full+imagebase+restore the stolen+the checking to stop the bomb any suggestion in english if someone wana check, not only unpack the author is arabic, but this are a nice unpackme/crackme here the Crackme: CanU.rar (i was writed this spanish mode 81 pag tut, ) i wait some check this please , i will wait if someone wana do a better tutorial in english but if someone wana check this are my solution+ the original unpackme is a…

    • 4 replies
    • 6.5k views
  5. BoRoV
    KeygenMe · Started by BoRoV,

    It funny simple keygenme. Solution only keygen. One name have many serials. Please take a moment to just look and then decide what to do next, or leave it, or decide. Closed two expolits. funny_keygenme.zip

    • 32 replies
    • 14.4k views
  6. HMX0101
    KeygenMe · Started by HMX0101,

    Back to Basics You don't like crypto? then you like basic math for sure Only valid solution is a keygen. HMX0101 // 16-04-2011 pd. seems like my last crackme is still unsolved btobkgme-hmx.zip

      • Like
    • 9 replies
    • 7.6k views
  7. thisistest
    UnPackMe (.NET) · Started by thisistest,

    maxtocode 3.48 15 day trail unpackme />http://www.maxtocode.com net maxtocode 3.48.rar

    • 0 replies
    • 11.6k views
  8. qpt^J
    KeygenMe · Started by qpt^J,

    hey there, i got some free time and made my new challenge this one is not so hard, nor easy. No crypto inside this time try to solve it and attach keygen here enjoy kgm7.zip

    • 3 replies
    • 5.3k views
  9. N1ghtm4r3
    KeygenMe · Started by N1ghtm4r3,

    No patching! Valid solution is only a keygen KeygenMe3.zip

      • Like
    • 2 replies
    • 10.3k views
  10. N1ghtm4r3
    KeygenMe · Started by N1ghtm4r3,

    No patch, brute force, etc! Valid solution is only a keygen+tutorial KeygenMe1.zip

    • 4 replies
    • 5.1k views
  11. Blue
    KeygenMe · Started by Blue,

    Here is the new Team IREC KeygenMe #3. Codded for newbies,written in Dev C++ console windows application. Rules :- Only a valid keygenMe is expected which can generate valid serials on any machine. No bruting,fishing or self keygen. Regards, Blue Indian Admin,Team IREC [iNDIAN REVERSE ENGINEERING CLUB] WEB : Click here for website Forum : Click here for forum KeyGenMe #3.zip

    • 4 replies
    • 7.2k views
  12. Jupiter2000
    UnPackMe · Started by Jupiter2000,

    Hi A unpackme high and strong for you is crackers Files protected by Hefaz Protector Type protection = anti dump anti olly dongle lock Anti Debug Code Encryption / Decryption & Code Obfuscation :woot: O Security = 7 / 10 http://www.4shared.com/file/3Xuwmfmm/UnpackMe.html What do you see this file UnpackMe.zip

      • Like
    • 51 replies
    • 23.9k views
  13. r0ket
    UnPackMe · Started by r0ket,

    Hello again, try to unpack this one, ep + payload virtualization

      • Like
    • 12 replies
    • 13.4k views
  14. Blue
    KeygenMe · Started by Blue,

    Hello Everybody.... We have released all new KeygenMe. This time codded in .Net So you need .Net Installed on PC. Rules:-- Only key-genning is allowed not brute or fishing and patching. Regards, Blue Indian Team IREC [ Indian Reverse Engineering Club ] Team IREC KeygenMe-II.zip

    • 2 replies
    • 4.6k views
  15. Jupiter2000
    UnPackMe · Started by Jupiter2000,

    Hi dear professors and Users The main goal is unpackme file type that is hard packed Enigma protector Enabled Option: Anti debugger Code Redirection Anti BP Anti Virtual Drive Anti pr Good Luck Any Buddy unpackme.rar

    • 7 replies
    • 8.3k views
  16. Kurapica
    KeygenMe · Started by Kurapica,

    Hi this is a new challenge, It's not hard but it's good for those who like coding in .NET, will be a great fun for a cold winter night patching is forbidden, only a valid keygen is accepted Enjoy />http://www.4shared.com/file/WctnNsWI/challenge.html link fixed ...

    • 6 replies
    • 4.5k views
  17. fastfood
    UnPackMe · Started by fastfood,

    Hello buddies some guys can unpack the file packed by enigma protector 2.13 in attachment? thanks start.rar

    • 1 reply
    • 5.2k views
  18. beBoss™
    KeygenMe · Started by beBoss™,

    This is my first KeygenMe. It's very old project, but I never posted on the internet. So this is the moment Description: Not packed, no cryptos, no hashes, just a little math Language: Delphi Rules: 1. Keygenning is the ultimate goal 2. Self-Keygenning and Phishing are more than welcome 3. Tutorials and tips are welcome 4. No patching. yeah I think is not really for noobs, but it is really easy !!! I hope to see keygens, source codes (ofcourse if you are not stingy - "close-fisted") and tutorials. Download: Mediafire: http://www.mediafire.com/?wrsasbm6cf5ngs9 Multiupload: http://www.multiupload.com/190FWQ9IUB Attachment: beBoss - KeyGenMe #1.rar

    • 4 replies
    • 5k views
  19. golfinhu
    KeygenMe · Started by golfinhu,

    my first keygen-me here's it: thanks keygen-me.rar

    • 1 reply
    • 12.5k views
  20. HSN.C3r
    UnPackMe · Started by HSN.C3r,

    New features: + CRC is added + some improvement in obfuscation + some anti debug is added level: --- please vote unpackme.rar

      • Like
    • 30 replies
    • 14k views
  21. weahnn
    UnPackMe · Started by weahnn,

    Hello everybody ~ Forget the multinational, and different foreign country, the first two stickers were removed, but there are good people to answer the question ...... Shell will also update the shelling technology updates, take a look at these new edition of the shell will not make people uncomfortable it ? 桌面.7z

    • 1 reply
    • 5.1k views
  22. cooooldog
    CrackMe · Started by cooooldog,

    Notepad with strong anti-debugger protection. StongOD does not work. How to debug it? thanks notepad_se.rar

    • 10 replies
    • 12.1k views
  23. CodeExplorer
    UnPackMe · Started by CodeExplorer,

    Net Reactor 4.0 unpackme + solution: Net_Reactor_4.0_unpackme.zip />http://filemojo.com/downloads/Net-Reactor-4-0-unpackme-zip-0244783165052422.html />http://plunder.com/fbaec6abf3

    • 3 replies
    • 14k views
  24. Blue
    KeygenMe · Started by Blue,

    Solve The Official Team IREC keygen me, if this one is cracked Team will develop new keygen me. This is requested because Team wants to Make harder Keygen Me. Thanks Every One The Blue Indian Administrator Team IREC [ Indian Reverse Engineering Club ] />http://irec.isgreat.org/ KEYFIND.zip

  25. NewHitman
    KeygenMe · Started by NewHitman,

    It is time to reverse ,time to use your programming and reversing skills and to code a keygen for my seventh keygenme well I can't tell you if it is difficult or not since that depends to you Even if I didn't use any kind of encryptions or hashing.I was about to add some Anti-Debugging Tricks but I found that the KM will be come so boring. every solution is accepted Okay Do your best in order to solve it and make me proud of you. Best Regards NewHitman NHKM7.rar

    • 3 replies
    • 6.8k views

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