Jump to content
View in the app

A better way to browse. Learn more.

Tuts 4 You

A full-screen app on your home screen with push notifications, badges and more.

To install this app on iOS and iPadOS
  1. Tap the Share icon in Safari
  2. Scroll the menu and tap Add to Home Screen.
  3. Tap Add in the top-right corner.
To install this app on Android
  1. Tap the 3-dot menu (⋮) in the top-right corner of the browser.
  2. Tap Add to Home screen or Install app.
  3. Confirm by tapping Install.

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. HellSpider
    UnPackMe · Started by HellSpider,

    Hi. I made some UnpackMe styled executables protected by the latest demo version of CodeVirtualizer (2.0.8.0). Each executable contains one function virtualized by a different virtual machine setting. The different virtual machines used are: - FISH32 Black - TIGER32 Black - PUMA32 Black - SHARK32 Black The virtualized functions are very short, approximately 20 asm instructions. No other protections are used. The virtualized function will execute when F1 is pressed. codevirtualizer_2.0.8.0_demo_devirtualizeme.rar

  2. RDGMax
    UnPackMe · Started by RDGMax,

    Hello My Friends Here a basic unpackme cpl Screenshot: Download: www.rdgsoft.net/downloads/RDG.UnpackME.CPL.zip Thanks RDG.UnpackME.CPL.zip

      • Like
    • 3 replies
    • 7.6k views
  3. Gladiator
    UnPackMe · Started by Gladiator,

    Hi Please Unpack it and then crack it File Type: Enabled Options : Thx UnPackMe_CrackMe.rar

      • Like
    • 19 replies
    • 10.1k views
  4. CodeNatif
    CrackMe · Started by CodeNatif,

    You must crack and upload the file. Good luck to all. .NET CrackMe By CodeNatif.rar

      • Like
    • 7 replies
    • 9.2k views
  5. GIV
    CrackMe · Started by GIV,

    Here i wrote a serial-me after some years. The answer is more closer than you can imagine. Good luck! New Year Serial Me.7z

      • Like
    • 24 replies
    • 9k views
  6. Teddy Rogers
    UnPackMe · Started by Teddy Rogers,

    lARP64Pro 1.0.3 http://tuts4you.com/...d.php?view.2815 Ted. lARP64 Pro_Update.rar

      • Like
    • 56 replies
    • 32.2k views
  7. mdj
    CrackMe · Started by mdj,

    Hi all my dear bro please see this crackme and solved it Link http://www.mediafire...j1q2l2ji6tezfme

      • Like
    • 12 replies
    • 12.2k views
  8. Asian Dragon
    UnPackMe · Started by Asian Dragon,

    Scan by Detect It Easy 0.93 Crackme.rar

      • Like
    • 12 replies
    • 10.2k views
  9. CodeNatif
    UnPackMe (.NET) · Started by CodeNatif,

    You must unpack and upload the file. Tell me if you find that this protection is good or bad. Good luck to all. List of people who have managed this challenge completely: - - - - .NET UnpackMe.rar

      • Like
    • 8 replies
    • 8.2k views
  10. iChallengeYou
    UnPackMe · Started by iChallengeYou,

    This one should a little bit harder then the previous one. Still no xp support yet. Goodluck 1. Gold: SmilingWolf 2. Silver: GIV 3. Bronze: ... iChallengeYou UnpackMe #2.rar

      • Like
    • 6 replies
    • 11k views
  11. iChallengeYou
    UnPackMe · Started by iChallengeYou,

    Hello all, Are you alone too with Christmas like me? And don't know what to do, then i will challenge you all for a new competition. I created a unpackme with selfmade code, so none protector is used, all coded by me. The goal is to find the original entrypoint, or make a running dump. Goodluck and merry xmas 1. Gold: SHADOW785 2. Silver: SmilingWolf 3. Bronze: GIV Note: The unpackme doesn't run in winXP for a unkown reason. iChallengeYou UnpackMe #1.rar

      • Like
    • 17 replies
    • 10.7k views
  12. Gladiator
    UnPackMe · Started by Gladiator,

    Hi Please Unpack and write small tut Enabled Options : .Anti Debug and Anti Trace .Anti Dump .Stolen Resource Protected with Private Exe Protector 4.3.0 Full version Thanks UnpackMe.rar

      • Like
    • 13 replies
    • 8.5k views
  13. Koutedar
    UnPackMe (.NET) · Started by Koutedar,

    Is Protected with All option https://www.sendspace.com/file/osso8a

      • Like
    • 19 replies
    • 13.8k views
  14. gaiththewolf
    UnPackMe (.NET) · Started by gaiththewolf,

    Hi All ! I want to unpack ILprotector 2.0.14. I could not success with existing tool. Please how to unpack it. Guide me plz . http://www.gulfup.com/?eBpC2N UnpackMe ILProtect 2.0.14.rar

      • Like
    • 6 replies
    • 9.9k views
  15. CodeNatif
    UnPackMe (.NET) · Started by CodeNatif,

    You must post them unpacked file or find the right password ! List of people who have successfully met the challenges 1: -SHADOW785 -GIV - - - List of people who have successfully met the challenges 2 (very hard): -SHADOW785 -abcd - - - Very HardCodeNatif CrackMe2.rar CodeNatif CrackMe1.rar

      • Like
    • 4 replies
    • 7.2k views
  16. CodeNatif
    CrackMe · Started by CodeNatif,

    You must find the correct password or unpack and cracker the file, thank you for not displaying the correct password to let a chance at all. Failled: Cracked: List of people who have successfully met the challenges: -abcd - - - - CrackMe.rar

      • Like
    • 2 replies
    • 6k views
  17. XorRanger
    KeygenMe · Started by XorRanger,

    Hello once again Here is a quick KeygenME i put together for newbies in keygenning. I know most people will solve this under 5 minutes. Rules No rules. Solutions A working keygen that can generate more than one key per name : Diamond A working keygen that can generate one key per name : Gold A valid name serial combo : Silver Patching : Bronze A Tutorial would be appreciated.Please Do Solve. Thanks. XorRanger's KeygenME #6.zip

      • Like
    • 9 replies
    • 8.5k views
  18. _or_75
    UnPackMe · Started by _or_75,

    Project1_se.rar

  19. Gyver75
    CrackMe · Started by Gyver75,

    I've downloaded this crackme long time ago. Its difficult could be 2/10 but it's really funny and, above all, instructive. If you want to try something different ... Crackme.rar

      • Like
    • 5 replies
    • 6.1k views
  20. CodeNatif
    UnPackMe (.NET) · Started by CodeNatif,

    You must find the correct password or unpack and crack the file, upload the unpacked file or show me password. Failled: Cracked: List of people who have successfully met the challenges: -abcd - - - - HARDCrackMe By CodeNatif.rar

      • Like
    • 3 replies
    • 6.1k views
  21. KKR_WE_RULE
    KeygenMe · Started by KKR_WE_RULE,

    Time for my AfterBurner ..YEAH!! Okie.. Rules asways : Keygen is the only soln. No Patching, bruting etc Level : 4. This one will make you think .. I hope Anyway.. Have a gr8 time reversing Regards Download here : AFTERBURNER.zip XP bug has been fixed. TESTED ON XP SP3 & Win7

      • Like
    • 8 replies
    • 7.6k views
  22. Office Jesus
    KeygenMe · Started by Office Jesus,

    Hello, everyone!I want to present my first keygenme in quite a while. This one is a continuation of a series I started 4 years ago. (You can find Fun KeygenMe #0 on crackmes.de, of course.)The main goal with this "series" is to help ease novices into the art of reversing (patching, keygenning, etc.) while having a bit of fun. I hope that you guys will solve this and provide tutorials. Hopefully the tutorials will be spread around the Internet for all new people to enjoy and learn from!Features of this keygenme: Coded (poorly) in MASM Not packed No cryptos Simple yet tricky? Difficulty: 1-2/10 I have it on good authority that this keygenme is a 1 or 2 on the crackmes.de…

      • Like
    • 6 replies
    • 8.1k views
  23. lena151
    UnPackMe · Started by lena151,

    lARP v2.0 Ultimate My 2008 challenge is this small UnpackMe from Ultimate version of lARP protector. All options checked except pre-compression. Just unpack. Big thanks to my buddies Ufo-Pu55y for researching some really neat stuff and jstorme for his continued support and testing. Thanks guys, I shall remember you in my morning, noon and evening lARP prayers Remark1: when it's all too obvious that you are on a reverser's system, a lARP'ed file may display a warning or even crash, also outside debugger In such case, just unpack to remove all limitations Remark2: there is now some experimental code in lARP. Love and best care have been applied to make it, still, if …

      • Like
    • 41 replies
    • 33.4k views
  24. CodeNatif
    UnPackMe (.NET) · Started by CodeNatif,

    Here's a little unpackme to be a bit complicated to unpack for some ! Fichier: https://open.ge.tt/1/files/7BAbRy42/0/blobVirus Scan: https://www.virustotal.com/fr/file/59d2f...416568916/ Upload the unpacked file please. List of people who have successfully met the challenges: -CodeCracker -abcd - - - Hard unpackme.zip

      • Like
    • 6 replies
    • 9.7k views
  25. CodeNatif
    UnPackMe (.NET) · Started by CodeNatif,

    I makes you available this little challenge: https://open.ge.tt/1/files/3gZgbm42/0/blob Virus Scan: https://www.virustotal.com/fr/file/15bef72a7bc05c1cbd7622c3e466062dc7e7f368c5adca9ca112b112326801f5/analysis/1416591531/ Please upload unpacked file. Hard UnpackMe By Ben Mhenni.zip

      • Like
    • 9 replies
    • 8.4k views

Configure browser push notifications

Chrome (Android)
  1. Tap the lock icon next to the address bar.
  2. Tap Permissions → Notifications.
  3. Adjust your preference.
Chrome (Desktop)
  1. Click the padlock icon in the address bar.
  2. Select Site settings.
  3. Find Notifications and adjust your preference.