ghidra/README.md

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<img src="Ghidra/Features/Base/src/main/resources/images/GHIDRA_3.png" width="400">
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# Ghidra Software Reverse Engineering Framework
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Ghidra is a software reverse engineering (SRE) framework created and maintained by the
[National Security Agency][nsa] Research Directorate. This framework includes a suite of
full-featured, high-end software analysis tools that enable users to analyze compiled code on a
variety of platforms including Windows, macOS, and Linux. Capabilities include disassembly,
assembly, decompilation, graphing, and scripting, along with hundreds of other features. Ghidra
supports a wide variety of processor instruction sets and executable formats and can be run in both
user-interactive and automated modes. Users may also develop their own Ghidra extension components
and/or scripts using Java or Python.
In support of NSA's Cybersecurity mission, Ghidra was built to solve scaling and teaming problems
on complex SRE efforts, and to provide a customizable and extensible SRE research platform. NSA has
applied Ghidra SRE capabilities to a variety of problems that involve analyzing malicious code and
generating deep insights for SRE analysts who seek a better understanding of potential
vulnerabilities in networks and systems.
If you are a U.S. citizen interested in projects like this, to develop Ghidra and other
cybersecurity tools for NSA to help protect our nation and its allies, consider applying for a
[career with us][career].
## Install
To install an official pre-built multi-platform Ghidra release:
* Install [JDK 11 64-bit][jdk11]
* Download a Ghidra release file from [ghidra-sre.org][project]
* Extract the Ghidra release file
* Launch Ghidra: `./ghidraRun` (or `ghidraRun.bat` for Windows)
For additional information and troubleshooting tips about installing and running a Ghidra release,
please refer to `docs/InstallationGuide.html` which can be found in your extracted Ghidra release
directory.
## Build
To create the latest development build for your platform from this source repository:
##### Install build tools:
* [JDK 11 64-bit][jdk11]
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* [Gradle 6 or 7][gradle]
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* make, gcc, and g++ (Linux/macOS-only)
* [Microsoft Visual Studio][vs] (Windows-only)
##### Download and extract the source:
[Download from GitHub][master]
```
$ unzip ghidra-master
$ cd ghidra-master
```
**NOTE:** Instead of downloading the compressed source, you may instead want to clone the GitHub
repository: `git clone https://github.com/NationalSecurityAgency/ghidra.git`
##### Download additional build dependencies into source repository:
```
$ gradle -I gradle/support/fetchDependencies.gradle init
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```
##### Create development build:
```
$ gradle buildGhidra
```
The compressed development build will be located at `build/dist/`.
For more detailed information on building Ghidra, please read the [Developer Guide][devguide].
## Develop
### User Scripts and Extensions
Ghidra installations support users writing custom scripts and extensions via the *GhidraDev* plugin
for Eclipse. The plugin and its corresponding instructions can be found within a Ghidra release at
`Extensions/Eclipse/GhidraDev/`.
### Advanced Development
To develop the Ghidra tool itself, it is highly recommended to use Eclipse, which the Ghidra
development process has been highly customized for.
##### Install build and development tools:
* Follow the above build instructions so the build completes without errors
* Install [Eclipse IDE for Java Developers][eclipse]
##### Prepare the development environment:
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```
$ gradle prepdev eclipse buildNatives
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```
##### Import Ghidra projects into Eclipse:
* *File* -> *Import...*
* *General* | *Existing Projects into Workspace*
* Select root directory to be your downloaded or cloned ghidra source repository
* Check *Search for nested projects*
* Click *Finish*
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When Eclipse finishes building the projects, Ghidra can be launched and debugged with the provided
**Ghidra** Eclipse *run configuration*.
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For more detailed information on developing Ghidra, please read the [Developer Guide][devguide].
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## Contribute
If you would like to contribute bug fixes, improvements, and new features back to Ghidra, please
take a look at our [Contributor Guide][contrib] to see how you can participate in this open
source project.
[nsa]: https://www.nsa.gov
[contrib]: CONTRIBUTING.md
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[devguide]: DevGuide.md
[career]: https://www.intelligencecareers.gov/nsa
[project]: https://www.ghidra-sre.org/
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[jdk11]: https://adoptium.net/releases.html?variant=openjdk11&jvmVariant=hotspot
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[gradle]: https://gradle.org/releases/
[vs]: https://visualstudio.microsoft.com/vs/community/
[eclipse]: https://www.eclipse.org/downloads/packages/
[master]: https://github.com/NationalSecurityAgency/ghidra/archive/refs/heads/master.zip