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Latest Version
OllyDbg 2.01 LATEST
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Operating System
Windows XP / Vista / Windows 7 / Windows 8 / Windows 10
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Filename
odbg201.zip
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MD5 Checksum
62ed2290a4c36b9bcb426c373aa74ce6
OllyDbg is a 32-bit assembler level analyzing debugger software for Microsoft® Windows®. Emphasis on binary code analysis makes it particularly useful in cases where the source is unavailable. Olly Dbg is a shareware, but you can download and use it for free.
OllyDbg is a powerful and popular debugger for Microsoft Windows. It is widely used by software developers and security researchers to analyze binary code, reverse engineer software, and debug programs. It provides a comprehensive set of features for both static and dynamic analysis of executable files, making it an essential tool in the arsenal of any software engineer or security enthusiast.
Full Features
It features a user-friendly interface with a disassembly view, memory view, registers view, and stack view. The interface is highly customizable, allowing users to rearrange and resize windows to suit their workflow preferences.
Installation and Setup
Installing this program is straightforward; users can download the installer from the official website or FileHorse and follow the on-screen instructions. Once installed, users can launch the app and start debugging immediately.
How to Use
Can OllyDbg be used to analyze malware?
Yes, the program is commonly used by security researchers to analyze malware and understand its behavior.
Does OllyDbg support 64-bit executables?
It primarily focuses on 32-bit executables, but there are unofficial patches and plugins available to add limited support for 64-bit executables.
Can I use OllyDbg to debug packed or obfuscated executables?
It can be used to debug packed or obfuscated executables, but additional tools and techniques may be required to unpack or deobfuscate the code.
Is OllyDbg free to use?
Yes, OllyDbg is free and open-source software released under the GNU General Public License (GPL).
Does OllyDbg support remote debugging?
No, it does not support remote debugging out of the box, but there are third-party plugins available that add this functionality.
System Requirements
OllyDbg is a powerful and popular debugger for Microsoft Windows. It is widely used by software developers and security researchers to analyze binary code, reverse engineer software, and debug programs. It provides a comprehensive set of features for both static and dynamic analysis of executable files, making it an essential tool in the arsenal of any software engineer or security enthusiast.
Full Features
- An intuitive user interface, no cryptical commands
- Code analysis - traces registers, recognizes procedures, loops, API calls, switches, tables, constants, and strings
- Directly loads and debugs DLLs
- Object file scanning - locates routines from object files and libraries
- Allows for user-defined labels, comments and function descriptions
- Understands debugging information in Borland® format
- Saves patches between sessions, writes them back to executable file and updates fixups
- Open architecture - many third-party plugins are available
- No installation - no trash in registry or system directories
- Debugs multithread applications
- Attaches to running programs
- The configurable disassembler supports both MASM and IDEAL formats
- MMX, 3DNow! and SSE data types and instructions, including Athlon extensions
- Full UNICODE support
- Dynamically recognizes ASCII and UNICODE strings - also in Delphi format!
- Recognizes complex code constructs, like a call to jump to procedure
- Decodes call to more than 1900 standard API and 400 C functions
- Gives context-sensitive help on API functions from the external help file
- Sets conditional, logging, memory and hardware breakpoints
- Traces program execution, logs arguments of known functions
- Shows fixups
- Dynamically traces stack frames
- Searches for imprecise commands and masked binary sequences
- Searches whole allocated memory
- Finds references to constant or address range
- Examines and modifies memory, sets breakpoints and pauses program on-the-fly
- Assembles commands into the shortest binary form
- Starts from the floppy disk
- Disassembly of executable files: It allows users to view the assembly code of executable files, making it easy to analyze the inner workings of a program.
- Dynamic debugging: Users can debug running processes, set breakpoints, step through code, and inspect memory and registers in real-time.
- Plugin support: It supports plugins, allowing users to extend its functionality with additional features and tools.
- Scripting support: Users can automate tasks and create custom analysis tools using OllyDbg's built-in scripting language.
- Multi-threaded debugging: It supports debugging of multi-threaded applications, making it suitable for analyzing complex software systems.
It features a user-friendly interface with a disassembly view, memory view, registers view, and stack view. The interface is highly customizable, allowing users to rearrange and resize windows to suit their workflow preferences.
Installation and Setup
Installing this program is straightforward; users can download the installer from the official website or FileHorse and follow the on-screen instructions. Once installed, users can launch the app and start debugging immediately.
How to Use
- Open the tool and load the executable file you want to analyze.
- Set breakpoints at the desired locations in the code.
- Run the program and debug it in real-time, pausing execution at breakpoints to inspect memory and registers.
- Use OllyDbg's features such as disassembly, memory view, and stack view to analyze the program's behavior.
- Save your analysis and findings for future reference.
Can OllyDbg be used to analyze malware?
Yes, the program is commonly used by security researchers to analyze malware and understand its behavior.
Does OllyDbg support 64-bit executables?
It primarily focuses on 32-bit executables, but there are unofficial patches and plugins available to add limited support for 64-bit executables.
Can I use OllyDbg to debug packed or obfuscated executables?
It can be used to debug packed or obfuscated executables, but additional tools and techniques may be required to unpack or deobfuscate the code.
Is OllyDbg free to use?
Yes, OllyDbg is free and open-source software released under the GNU General Public License (GPL).
Does OllyDbg support remote debugging?
No, it does not support remote debugging out of the box, but there are third-party plugins available that add this functionality.
System Requirements
- Operating System: Windows XP, 7, 8, 10 or 11
- Processor: Intel Pentium or compatible
- RAM: 512 MB or higher
- Disk Space: 50 MB of free disk space
- Powerful debugging capabilities
- User-friendly interface
- Plugin and scripting support
- Free and open-source
- Limited support for 64-bit executables
- Lack of official support and updates
- May require additional tools for complex analysis tasks
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OllyDbg 2.01 Screenshots
The images below have been resized. Click on them to view the screenshots in full size.
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