Category: X64dbg watch

X64dbg watch

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Reverse Engineering Stack Exchange is a question and answer site for researchers and developers who explore the principles of a system through analysis of its structure, function, and operation. It only takes a minute to sign up. We know that x64dbg will mark the changes as red color after we step an assembly instruction, so how can I get all changes without scroll monitor windows? Based on the code screenshot you posted it appears you are looking for differences between two memory snap shots.

That is you want to know what all changed in the process address space after you step over the call to test. I hope you understand anything can change anywhere when you step over a single unknown arbitrary function over the whole process memory. A global variable may be modified which would normally reside in the writable section of a binary.

Or, if you can limit your lookup to a certain memory range you can dump the memory to a file and diff them. You can use a hexeditor like hxd to byte compare two dumps for looking at all changes to a certain region of memory. As a real world example you can set a breakpoint as you have set in the specific code on the screenshot. Dump two snapshots one prior to step and one after step.

Sign up to join this community. The best answers are voted up and rise to the top. Home Questions Tags Users Unanswered. Asked 1 year, 5 months ago. Active 1 year, 3 months ago. Viewed 1k times. J 35 6 6 bronze badges. You can use the trace feature.

Make better use of x64dbg

Start a trace from the trace tab and then just step around. In the trace tab you can see the changes in the context menu.Official x64dbg blog! ArchiveSearch Looking for writers! As a main developer for x64dbg, I have introduced many features to x64dbg.

x64dbg watch

Some of them are highly visible. But some of them are not so visible but still worth mentioning. There are numerous features offered by x64dbg which you might not know before, or have not make good use of. A code cave enables you to alter the behaviour of the code.

However, in x64dbg you have a easier way to achieve that. The first argument is the address of a software breakpoint. The second argument is the address of your code. It sets up a conditional expression that when it is triggered it will redirect the instruction pointer to your code. You can also set up a conditional expression manually on a hardware breakpoint to do this. This enables you to add a code cave at the critical function which is checksum-protected.

Alternatively, you can in fact write your plugin to do advanced processing at the breakpoint. When debugging a loop, you might first animate through the loop a few times while watching the registers carefully, and then focus on a particular piece of code where value of interest is in the register. But when the variable is stored in memory, it will have less chance to be noticed.

A better way to do it is by using a watch view.

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You can add the variables in the watch view. In this way you can get informed of all the changes happening on the variable. An additional benefit is that a pointer will appear in the side bar if the variable is pointing to code section. You can easily understand the process of unpacking this way. Snowman is a decompiler shipped with x64dbg.

It is not only useful when you want to implement the algorithm in the debuggee yourself, but also when you are trying to reverse engineer a particular function. In some way it is even more useful than the flow graph. Try renaming the variables in Snowman from addresses to meaningful names and guess the meaning for other variables.Using little endian helps to correspond floating point numbers to their index in memory arrays.

However, big endian representation are more familiar to most users. This option can set whether FPU registers are shown as little endian or as big endian. You also edit the FPU registers in the endianness set here. Allow column order, width and layout of some views, to be saved in the config file. Note that not all views support this option. Currently, this option has not been implemented in the CPU view.

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Show PID in hexadecimal in the attach dialog. If not set, it will use decimal, just like in the Task Manager. Allow x64dbg to load and save tab order. If not set, x64dbg will always use the default tab order. When you add a watched variable in the watch view, a label with the name of the watched variable can appear in the side bar of the disassembly view if the address is in the sight.

They just look like labels for registers. This label might help you understand the operation and progress of a self modifying routine. If disabled, no labels will be added in the side bar for watched variables.

When a debug event occurs, x64dbg will focus itself so you can view the state of the debuggee. In some circumstances this might not be desired. This option can be used to tell x64dbg not to focus itself when a debug event occurs.

x64dbg watch

What is x64dbg?GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. If nothing happens, download GitHub Desktop and try again. If nothing happens, download Xcode and try again.

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If nothing happens, download the GitHub extension for Visual Studio and try again. Instructions: Load the exe and run the script. ASPack 2. Skip to content. Dismiss Join GitHub today GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. Sign up. A collection of x64dbg scripts. Feel free to submit a pull request to add your script. Branch: master. Find file. Sign in Sign up. Go back. Launching Xcode If nothing happens, download Xcode and try again.

Latest commit. Latest commit cee Sep 22, You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Updated file names and readme. Aug 20, Official x64dbg blog! ArchiveSearch Looking for writers! Fun with self-decryption 25 Febby ViRb3comments.

The big handle gamble A shot in the dark Pushing our luck Winner winner chicken dinner! Goodbye Capstone, hello Zydis! Limitations in x64dbg Export functions Access to features Performance 06 Octby torusrxxxcomments. Make better use of x64dbg Code cave Use watch window Work with snowman Use commands and functions Use tracing where it works best Use trace record 20 Aprby torusrxxxcomments. Weekly digest 15 Log redirection encoding Properly enforce size limits for comments and labels Large address awareness Optimized logging speed Fixed a crash when clicking out of range in the side bar Updated Scylla Plugin API to get useful information about the current debuggee Various improvements to the type system More styles Case-insensitive regex search in symbol view GUI speed improvements Intercept more functions for crashdumps Don't change selection when the search text changes Make x64dbg run on Wine again Added more advanced plugin callbacks Print additional information on access violations Fixed incorrect detection of unary operators Remove breakpoints when clearing the database Fixed bug with searching in the memory map Improvements to the breakpoint view Find window in the attach dialog Usual stuff 11 Decby mrexodiacomments.

Visitor Conclusion 04 Decby mrexodiacomments.

Weekly digest 14 Types Fix log links and show suspected call stack frame Finished layered loop implementation Fixed 'cannot get module filename' Allow for more customization Usual things 27 Novby mrexodiacomments. Weekly digest 13 This is an open blog! Decode function offset in stack Context menu in the xref dialog Removed buggy branch destination cache Added disassembly expression functions Added more advanced arguments in favourite tools Show better contextual information in the disassembler Various GUI improvements Icon for database files Fixed format in infobox Fixed find commands Don't consider reserved pages as valid memory Option for hardcore thread switch warnings Fixed unary operators Usual stuff 20 Novby mrexodiacomments.

Weekly digest 12 Reflection Releases and versioning Fixed more GUI issues Fixed inconsistent shortcuts Added content description in the memory map Fixed an issue with format delimiters Add comments and labels in the graph view Add shortcut for copy RVA Don't list automatic comments per default Plugin callback for dynamic comments Added more plugin templates Final words 13 Novby mrexodiacomments.

Weekly digest 11 More advanced conditional tracing Fixed more GUI update issues Remember history in goto file offset and RVA Reverted default behavior for null and nonprint characters Cleaner GUI look Traced background in reference, source and symbol view ScyllaHide Update trace record when changing CIP manually Allow skipping of INT3 instruction on run Command to print stack trace Set foreground on system breakpoint Option to not highlight operands separately Removed the toggle option for certain registers Translations Usual things 06 Novby mrexodiacomments.

Weekly digest 10 InterObfu Updated mnemonic database Replace non-printable characters with special characters Better split function for commands Fixed global notes Added some expression functions Allow editing of the watch expression Added simple logging of instructions Process GUI events in the script API Added run to selection in the graph view Save the graph view to a file Usual stuff 30 Octby mrexodiacomments.

Weekly digest 6 Remove all breakpoints before detaching Warnings when trying to set CIP to a non-executable page Fixed event filter plugin callbacks with Qt5 Refactor command-related code Import multiple patches Adjust width of status label for translations Active view API Highlight ud2 and ud2b as unusual instructions Optimized menu order in the register view Lots of code improvements Allow debugging of AnyCPU.

Weekly digest 2 Font in the command completion dialog Added memdump option to savedata Fixed various general purpose instructions More usable disassembly popup Fixed empty watchdog menu Trace record tracing works again Animation into has been implemented! Weekly digest 1 Improvements to the attach dialog Disable debuggee notes when debugging Translation of the DBG Search box locking in symbol view Various GUI improvements Don't freeze when the debuggee doesn't close properly Warn when setting a software breakpoint in non-executable memory Signed and unsigned bytes in the dump Fixed WOW64 redirection issues Fixed invalid save to file sizes Added imageinfo command Updated Yara to 3.

User interface design principles Access any feature, anywhere Offer to show the most needed data to user Guide the user to do the right thing Easy to understand and master User interface customization is important Fast and responsive Afterword 08 Augby torusrxxxcomments. Which plugin SDK should I use? Why create a plugin SDK in assembler? Why write a plugin?

x64dbg watch

Automation and analysis are more important Introducing dynamic analysis The future of reverse engineering 09 Julby Anonymouscomments. Looking for writers! Topics Writing a post 09 Julby mrexodiacomments.Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Already on GitHub? Sign in to your account.

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x64dbg watch

Unfriendly message when set breakpoint that conflicts with existing hidden breakpoint opened Apr 18, by user Stack is not updated when freezing the view bug gui not reproduced opened Apr 2, by MulleDK Locking window filter and refreshing view: Filter is removed bug gui opened Apr 1, by AntonVonDelta.

Editing watches brings up empty text box bug gui opened Mar 16, by gyorokpeter. Hardware breakpoints are not applied when enabling them during system breakpoint opened Feb 26, by dauthleikr. Log window should also display the timestamps enhancement gui opened Feb 14, by thatcashcow.

Allow setup to 'undo' changes to System enhancement opened Feb 12, by blaquee. Hotkeys should not be exclusive to one action in Shortcuts UI enhancement gui opened Feb 5, by Danatobob.

Minor: sorting by status doesn't work bug gui not reproduced opened Jan 21, by justanotheranonymoususer. Remove qt question opened Jan 19, by stevemk14ebr. Multiple disassembler errors on vector instructions bug opened Dec 15, by UnlimitedChild.

Previous 1 2 3 4 5 … 14 15 Next. Previous Next.You can find a more exhaustive list of contributers on the wiki. Check out the blog! A familiar, yet new interface. Fully customizable color schemes.

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One GUI, two platforms: x64 and x More information about jump targets and register values. Smart, content-sensitive register view. Memory map Symbol view Thread view Source code view Content-sensitive register view Fully customizable color scheme Dynamically recognize modules and strings Import reconstructor integrated Scylla Fast disassembler Zydis User database JSON for comments, labels, bookmarks, etc.

Overview Active development x64dbg is under constant active development. GPLv3 We provide both the executable and the source. Feel free to contribute. There is only one interface. Scriptable x64dbg has an integrated, debuggable, ASM-like scripting language.

Community-aware x64dbg has many features thought of or implemented by the reversing community. Extendable Write plugins to add script commands or to integrate your tools. Contact x64dbg on Twitter x64dbg on Google Groups x64dbg [at] googlegroups.


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