. Current rating: 4.Average rating: 4/5 (8 votes)Your rating: not submittedOllyDbg is a powerful and reliable debugger which offers advanced binary code analysis, allowing you to quickly find and fix various issues in your applications. The program comes with a simple and intuitive interface and is able to recognize procedures, trace registers, support API calls, loops, tables, switches, strings and constants. DLLs can be directly loaded and debugged.OllyDbg is able to quickly locate routines from libraries and object files. The utility is also able to recognize debugging data in Borland format. In addition, the application offers support for comments, user-defined labels and function description.OllyDbg supports a wide variety of third party plug-ins that will enhance the program's functionality.
The utility is able to debug multi thread programs, as well. The application comes with a highly configurable disassembler which is able to support both IDEAL and MASM formats. Support for UNICODE is included.OllyDbg is able to work with SSE, 3DNow! And MMX instructions and data types. Moreover, the program supports Athlon extensions. The application is capable of recognizing UNICODE and ASCII strings in Delhi format and offers context-sensitive help on multiple API functions.
Ollydbg Anti Debug Plugin
Calls to more than 400 C and 1900 standard API functions can be easily decoded with this tool.OllyDbg is able to recognize complex code structures and enables you to define logging, conditional, hardware an memory breakpoints. The program also lets you search for masked binary sequences and imprecise commands. The entire allocated memory can be searched.OllyDbg is able to trace program execution and will log arguments of all known functions. The utility lets you see fix-ups, as well.
Stack frames can be dynamically traced. The application is capable of assembling commands into short binary forms.OllyDbg allows you to analyze and modify memory, pause applications on-the-fly, or set breakpoints with minimum effort. The porgram can start from a floppy disks and installation is not required. Pros.
The application is packed with lots of powerful functions. Third-party extensions and plug-ins are supported.
Quote:As you see, this version already supports plugins. New plugin interface is similar to the old (v1.10) but is not backwards compatible. It includes more than 350 API functions, 60 or so variables and many enumerations and structures that all need to be documented. This will take a while, therefore I decided to make a preliminary release. It includes plugin header file ( plugin.h) and commented bookmarks source code ( bookmark.c). Writing your own plugins without the documentation is a pure masochism, but at least you will be able to analyse the structure of the interface and send me your comments, wishes and suggestions.This is the last alpha release. After plugin documentation is ready, I will call it 2.01 beta 1.
Then I will start to write OllyDbg help and finally make the full 2.01 release. Till then, I plan no major changes.Other new features in this version:- Patch manager, similar to 1.10- Shortcut editor, supports weird things like Ctrl+Win+$ etc. Now you can customize and share your shortcuts. I haven't tested it on Win7, please report any found bugs and incompatibilities!- Instant.udd file loading. In the previous versions I've postponed analysis, respectivcely reading of the.udd file till the moment when all external links are resolved.
But sometimes it took plenty of time, module started execution and was unable to break on the breakpoints placed in the DLL initialization routine- Automatic search for the SFX entry point, very raw and works only with several packers. Should be significantly more reliable than 1.10. If you tried it on some SFX and OllyDbg was unable to find real entry, please send me, if possible, the link or executable for analysis!- 'Go to' dialog lists of matching names in all modules- Logging breakpoints can protocol multiple expressions. Here is an example: I ask OllyDbg to protocol the contents of EAX, EBX and 4 memory doublewords starting at address ESP. Expressions must be separated by commas, repeat count has form SIZE.N, N=1.32.
Many not-so-important new features:- Thread names (MSVCEXCEPTION)- UNICODE box characters clipboard mode- Multiline debugging strings (of large size)- On debug string, OllyDbg attempts to find call to OutputDebugString- INT3 breakpoints set on the first byte of edited memory area are retained- Decoding of User Shared Data block- Addressing relative to module base- If plugin crashes, OllyDbg will report its name- etc, etc.I have received many bug reports. Some of them are solved, some are not. There is a very nasty bug that I was unable to reproduce: OllyDbg crashes with memory access violation inside the GlobalAlloc?!! Either OllyDbg unintentionally taints internal data structures used by memory manager, or some virus scanner overreacts, or this is a bug of Windows itself? If you have any clue, please let me know.That's all for now.
I will make a short vacations, a week or so, and in order to keep my sanity will not check for new emails. Please have some patience!Download:Bookmark Plugin:I do not own or code for OllyDbg, just posting it here since I didn't see it posted already. If you have problems, please either contact the author on his website linked above, or post here for help. Please do not pm me for support, I do not own this software.Auto Merged - 16:19:35 UTCVisual Studio 2010 OllyDbg 2.x PDKHere is my custom edited PDK to work with Visual Studio 2010.This fixes various compiler errors and properly imports the marked.Download: is offline. Quote:I vas very busy the whole year, so my work was veeery slow.
I am very sorry for this. Anyway, now I hav a bit more free time and will continue the development (and documentation, don't forget the documentation!)OK, so what's new here? OllyDbg itself is hardly changed, only minor improvements (like correct reaction on MOV SS,anything; PUSHF or disassembling of JE vs. Depending on the preceding comparison). More important, I have (hopefully) removed the nasty crashes that happened on some computers while invoking menu, or pressing ALT, or on similar harmless actions.Update: No, I haven't removed all bugs at the first try.
I have kept some information about menu items directly in the menu, using dwItemData in MENUITEMINFO. It seems that Windows also uses this item! Now I have moved pointers to data to another location.Plugin interface is slightly extended.
Plugin API includes more than 500 functions, structures and variables. Of these, I have described less than 100, so you will frequently encounter 404 while browsing the help data. But all APIs used by Bookmarks plugin are fully documented.
I plan that I'll describe another hundred within the next two weeks.You may already start writing your plugins. If you need some API function or family that is not yet documented, drop me a mail and I'll try to describe it ASAP.There is a small test application, Test.exe, that I've written to simulate errors. I think that it may be helpful to learn OllyDbg. Feel free to use it as you want. The source code is enclosed:The buttons do the following: Start thread - start new thread that increases counter each 100 milliseconds;Suspend last - suspends last created thread. There is no corresponding 'Resume' button, use OllyDbg;New process - starts new instance of itself;New suspended - starts new instance of itself in suspended state;FatalExit - calls FatalExit, what else?Current Dir - displays current directory;Load ws232 - loads ws232.dll (must be present on all systems);Unload ws232 - unloads ws232.dll;Set filter - calls SetUnhandledExceptionFilter. The handler only displays the error.
Note: it won't work on stack overflow;Sedt VEH - calls AddVectoredExceptionHandler, same note as above;Read 00000000 - attempts to read memory at zero address;0: 0 - integer division by zero;INT3 - executes INT3;INT ff - executes INT FF;JMP 123456 - jumps to (most probably) non-existing memory;Stack overflow - calls function that recursively calls itself;1.0: 0.0 - floating-point division by zero. Note where this exception is reported!Set Trap - sets bit T (single-step trap);POP SS/PUSHF - executes POP SS, PUSHF, POP EAX and displays the contents of EAX (and especially bit T);MOV SS/PUSHF - executes MOV AX,SS; MOV SS,AX, PUSHF, POP EAX and displays the contents of EAX (and especially bit T);INT 2D - executes INT 2D, has special meaning under Windows;String A - executes OutputDebugStringA (ASCII version);String W - executes OutputDebugStringW (UNICODE version);ZwAlloc(0) - allocates memory block at address 00000000. Try Read 00000000 afterwards and be astonished!Download: removedPlugin API Documentation: removedTest Application (Source Included): removed. Quote:I have signifiicantly changed the way OllyDbg and plugins interact with each other. For example, all functions with fixed number of arguments are declared as cdecl instead of stdcall. This removes problem with Visual C that always wants to emit something like instead of plain Disasm or Disasm.
Otherwise there are only minor changes. Among them, several of OllyBugs are no longer.Bookmark plugin now works with 4 different compilers: Borland C Builder 5.0 (ancient but still my favorite), command-line Borland C 5.5 (produces exactly the same DLL), Visual C 2005 (Express Edition) and Code::Blocks (in fact, MinGW which is GNU for Windows). There are separate import libraries for each. Plugin source is identical in all cases.
I hope that VC library will also work with all otrher Visual versions. Detailed description will be available later - as always.Help on API is extended but not as far as I expected. Again: If you need some API function or family that is not yet documented, drop me a mail and I'll try to describe it ASAP.That's all, enjoy!atom0s is offline. Quote:Many bugfixes and several improvements. Plugin interface is still under development.I've got rid of a very nasty crash. Maybe half of such crashes happened within the GlobalAlloc, the remaining were almost unpredictable. Of course, it was buffer overflow, what else?Debugging engine is now more stable, especilally if one steps into the exception handlers.
There is a new debugging option, 'Set permanent breakpoints on system calls'. When active, it requests OllyDbg to set breakpoints on KERNEL32.UnhandledExceptionFilter, NTDLL.KiUserExceptionDispatcher, NTDLL.ZwContinue and NTDLL.NtQueryInformationProcess. For example, if CPU is in the exception handler and you set hardware breakpoint, it won't hit! NTDLL.ZwContinue restores original contents of registers and modifications get lost. Therefore OllyDbg sets temporary INT3 break on ZwContinue and applies changes to the copy of the context in memory. But sometimes it simply doesn't know that temporary breakpoint is necessary. If process is being debugged, Windows don't call the unhandled exception filter.
Instead, it notifies debugger. To pass exception to the filter, OllyDbg intercepts NtQueryInformationProcess. If handler asks OS whether process is debugged, OllyDbg reports 'no'. Well, if this new option is so advantageous, why not to make it default? Because some viruses check for INT3 breakpoints on these APIs.Sometimes it's necessary to rename the OllyDbg, for example if you investigate a brainless virus that scans process names and hopes to avoid debugger.
You rename OllyDbg to, say, notadebugger.exe. And all plugins are missing?! They are statically linked to the DLL named ollydbg.exe. Of course, GetProcAddress would help, but this makes programming to the nightmare. Therefore when OllyDbg loads plugins, it applies a dirty trick which lets Windows think that the main module is named ollydbg.exe and not notadebugger.exe.
This trick works under Windows XP, but I am not sure whether Vista/Win7 use the same internal data structures. Please check.Hit trace can be saved between the sessions. If code is self-modifiable, use this option with care.
When OllyDbg restores hit trace, it sets INT3 breakpoint on every marked command. This may lead to crash of the debugged application.Due to the invalid handling of prefixes 66, F2 and F3, command search was unable to find SSE commands. This bug is corrected.Currently I am working on the plugin interface.
Plugins will be allowed to set temporary breakpoints and process exceptions. This requires significant changes in the debugging engine and may take another couple of weeks.This is a non-beta release of the new OllyDbg 2.x version!atom0s is offline. Quote:New version with many new features, among them:Help on 77 pages. Please read it first - most of new features are described thereMultilanguage GUI (experimental, as yet no translation files - please do it by yourself)Support for AVS instuctions (as yet no AVS2 and high 16 bytes of YMM registers are not displayed)Call stack window (similar to the version 1.10)Handles window (similar to the version 1.10)SEH and VEH chains.
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This page is for projects that somehow contribute to x64dbg but are not part of the source code.
I download ODBGScript v1.82.6 from www.tuts4you.com and extercted it thereare some files i read documents and learned how i can write my plugin but there are some problems: 1- there are two files: logapicall.osc and sample.osc how can open them? In the document has wrotten try by mspaint.exe so i download it but i cant open them and searched about it on google and then download merkaartor-0.16.1 and but it couldnt open the files 2- i read document compeltly but there was not any discribe about how can use of ODBGScript v1.82.6. Is there any body to help me? Pleas–Jul 25 at 20:11.
.Other Versions of the Plugin.dll LibraryThe newest version of the Plugin.dll library is the 3.0.64.101 version for 32 Bit and 14.0.0.0 version for 64 Bit. There have been 6 versions released before this version. All versions of the Dynamic link library have been listed below from most recent to oldest. 3.0.64.101 - 32 Bit (x86). 8.5.1.102 - 32 Bit (x86).
14.0.0.0 - 32 Bit (x86). 14.0.0.0 - 64 Bit (x64). 13.0.0.0 - 64 Bit (x64).
12.0.0.0 - 32 Bit (x86). 7.0 - 32 Bit (x86) ( 2012-06-30)How to Download Plugin.dll.
Click on the green-colored ' Download' button on the top left side of the page. Step 1:Download process of the Plugin.dll library's. The downloading page will open after clicking the Download button. After the page opens, in order to download the Plugin.dll library the best server will be found and the download process will begin within a few seconds. In the meantime, you shouldn't close the page.How to Fix Plugin.dll Errors?
Before starting the installation, the Plugin.dll library needs to be downloaded. If you have not downloaded it, download the library before continuing with the installation steps. If you don't know how to download it, you can immediately browse the dll download guide above. Method 1: Copying the Plugin.dll Library to the Windows System Directory.
The file you are going to download is a compressed file with the '.zip' extension. You cannot directly install the '.zip' file. First, you need to extract the dynamic link library from inside it. So, double-click the file with the '.zip' extension that you downloaded and open the file. You will see the library named ' Plugin.dll' in the window that opens up.
This is the library we are going to install. Click the library once with the left mouse button. By doing this you will have chosen the library.
Step 2:Choosing the Plugin.dll library. Click the ' Extract To' symbol marked in the picture. To extract the dynamic link library, it will want you to choose the desired location. Choose the ' Desktop' location and click ' OK' to extract the library to the desktop. In order to do this, you need to use the Winrar program. If you do not have this program, you can find and download it through a quick search on the Internet.
Step 3:Extracting the Plugin.dll library to the desktop. Copy the ' Plugin.dll' library you extracted and paste it into the ' C:WindowsSystem32' directory. Step 4:Copying the Plugin.dll library into the Windows/System32 directory. If your system is 64 Bit, copy the ' Plugin.dll' library and paste it into ' C:WindowssysWOW64' directory. On 64 Bit systems, you must copy the dynamic link library to both the ' sysWOW64' and ' System32' directories. In other words, both directories need the ' Plugin.dll' library.
Step 5:Copying the Plugin.dll library to the Windows/sysWOW64 directory. In order to run the Command Line as an administrator, complete the following steps. In this explanation, we ran the Command Line on Windows 10. If you are using one of the Windows 8.1, Windows 8, Windows 7, Windows Vista or Windows XP operating systems, you can use the same methods to run the Command Line as an administrator. Even though the pictures are taken from Windows 10, the processes are similar. First, open the Start Menu and before clicking anywhere, type ' cmd' but do not press Enter.
When you see the ' Command Line' option among the search results, hit the ' CTRL' + ' SHIFT' + ' ENTER' keys on your keyboard. A window will pop up asking, ' Do you want to run this process?' Confirm it by clicking to ' Yes' button.Step 6:Running the Command Line as an administrator. Let's copy the command below and paste it in the Command Line that comes up, then let's press Enter. This command deletes the Plugin.dll library's problematic registry in the Windows Registry Editor (The library that we copied to the System32 directory does not perform any action with the library, it just deletes the registry in the Windows Registry Editor.
The library that we pasted into the System32 directory will not be damaged).%windir%System32regsvr32.exe /u Plugin.dll Step 7:Deleting the Plugin.dll library's problematic registry in the Windows Registry Editor. If you are using a Windows version that has 64 Bit architecture, after running the above command, you need to run the command below. With this command, we will clean the problematic Plugin.dll registry for 64 Bit (The cleaning process only involves the registries in Regedit.
In other words, the dynamic link library you pasted into the SysWoW64 will not be damaged).%windir%SysWoW64regsvr32.exe /u Plugin.dll Step 8:Uninstalling the Plugin.dll library's problematic registry from Regedit (for 64 Bit). You must create a new registry for the dynamic link library that you deleted from the registry editor. In order to do this, copy the command below and paste it into the Command Line and hit Enter.%windir%System32regsvr32.exe /i Plugin.dll Step 9:Creating a new registry for the Plugin.dll library.
If the Windows version you use has 64 Bit architecture, after running the command above, you must run the command below. With this command, you will create a clean registry for the problematic registry of the Plugin.dll library that we deleted.%windir%SysWoW64regsvr32.exe /i Plugin.dll Step 10:Creating a clean registry for the Plugin.dll library (for 64 Bit).
You may see certain error messages when running the commands from the command line. These errors will not prevent the installation of the Plugin.dll library. In other words, the installation will finish, but it may give some errors because of certain incompatibilities. After restarting your computer, to see if the installation was successful or not, try running the program that was giving the dll error again. If you continue to get the errors when running the program after the installation, you can try the 2nd Method as an alternative. Method 2: Copying The Plugin.dll Library Into The Program Installation Directory.
Ollydbg 64 Bit Download
First, you must find the installation directory of the program (the program giving the dll error) you are going to install the dynamic link library to. In order to find this directory, ' Right-Click Properties' on the program's shortcut. Step 1:Opening the program's shortcut properties window. Open the program installation directory by clicking the Open File Location button in the ' Properties' window that comes up.
Step 2:Finding the program's installation directory. Copy the Plugin.dll library into this directory that opens. Step 3:Copying the Plugin.dll library into the program's installation directory. This is all there is to the process.
Now, try to run the program again. If the problem still is not solved, you can try the 3rd Method. Method 3: Uninstalling and Reinstalling the Program That Is Giving the Plugin.dll Error.
Push the ' Windows' + ' R' keys at the same time to open the Run window. Type the command below into the Run window that opens up and hit Enter. This process will open the ' Programs and Features' window. Appwiz.cpl Step 1:Opening the Programs and Features window using the appwiz.cpl command. On the Programs and Features screen that will come up, you will see the list of programs on your computer. Find the program that gives you the dll error and with your mouse right-click it. The right-click menu will open.
Click the ' Uninstall' option in this menu to start the uninstall process. Step 2:Uninstalling the program that gives you the dll error. You will see a ' Do you want to uninstall this program?'
Confirmation window. Confirm the process and wait for the program to be completely uninstalled. The uninstall process can take some time. This time will change according to your computer's performance and the size of the program. After the program is uninstalled, restart your computer. Step 3:Confirming the uninstall process.
After restarting your computer, reinstall the program that was giving the error. You can fix the error you are expericing with this method. If the dll error is continuing in spite of the solution methods you are using, the source of the problem is the Windows operating system. In order to fix dll errors in Windows you will need to complete the 4th Method and the 5th Method in the list. Method 4: Fixing the Plugin.dll error with the Windows System File Checker.
In order to run the Command Line as an administrator, complete the following steps. In this explanation, we ran the Command Line on Windows 10. If you are using one of the Windows 8.1, Windows 8, Windows 7, Windows Vista or Windows XP operating systems, you can use the same methods to run the Command Line as an administrator. Even though the pictures are taken from Windows 10, the processes are similar. First, open the Start Menu and before clicking anywhere, type ' cmd' but do not press Enter. When you see the ' Command Line' option among the search results, hit the ' CTRL' + ' SHIFT' + ' ENTER' keys on your keyboard. A window will pop up asking, ' Do you want to run this process?'
Osha. Confirm it by clicking to ' Yes' button.Step 1:Running the Command Line as an administrator. Paste the command below into the Command Line that opens up and hit the Enter key. Sfc /scannow Step 2:Scanning and fixing system errors with the sfc /scannow command. This process can take some time.
You can follow its progress from the screen. Wait for it to finish and after it is finished try to run the program that was giving the dll error again. Method 5: Getting Rid of Plugin.dll Errors by Updating the Windows Operating SystemSome programs require updated dynamic link libraries from the operating system. If your operating system is not updated, this requirement is not met and you will receive dll errors.
Because of this, updating your operating system may solve the dll errors you are experiencing.Most of the time, operating systems are automatically updated. However, in some situations, the automatic updates may not work. For situations like this, you may need to check for updates manually.For every Windows version, the process of manually checking for updates is different.
Because of this, we prepared a special guide for each Windows version. You can get our guides to manually check for updates based on the Windows version you use through the links below. Guides to Manually Update the Windows Operating System.The Most Seen Plugin.dll ErrorsIf the Plugin.dll library is missing or the program using this library has not been installed correctly, you can get errors related to the Plugin.dll library. Dynamic link libraries being missing can sometimes cause basic Windows programs to also give errors.
You can even receive an error when Windows is loading. You can find the error messages that are caused by the Plugin.dll library.If you don't know how to install the Plugin.dll library you will download from our site, you can browse the methods above. Above we explained all the processes you can do to fix the dll error you are receiving. If the error is continuing after you have completed all these methods, please use the comment form at the bottom of the page to contact us. Our editor will respond to your comment shortly.
' Plugin.dll not found.' Error. ' The file Plugin.dll is missing.' Error. ' Plugin.dll access violation.'
Error. ' Cannot register Plugin.dll.' Error. ' Cannot find Plugin.dll.'
Error. ' This application failed to start because Plugin.dll was not found. Re-installing the application may fix this problem.'
ErrorDynamic Link Libraries Similar to the Plugin.dll Library.