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What is afl-unicorn?

AFL-Unicorn enables the fuzzing of any binary that can be emulated with the Unicorn Engine, providing the ability to focus on specific code segments during testing. As long as the desired code can be emulated using the Unicorn Engine, AFL-Unicorn can be utilized effectively for fuzzing tasks. The Unicorn Mode features block-edge instrumentation akin to AFL's QEMU mode, allowing AFL to collect block coverage data from the emulated code segments, which is essential for its input generation process. This functionality is contingent upon the meticulous configuration of a Unicorn-based test harness, which plays a crucial role in loading the intended code, setting up the initial state, and integrating data altered by AFL from its storage. Once these parameters are established, the test harness simulates the target binary code, and upon detecting a crash or error, it sends a signal to indicate the problem. Although this framework has been primarily validated on Ubuntu 16.04 LTS, it is built to work seamlessly with any operating system that can support both AFL and Unicorn. By utilizing this framework, developers can significantly enhance their fuzzing strategies and streamline their binary analysis processes, leading to more effective vulnerability detection and software reliability improvements. This broader compatibility opens up new opportunities for developers to adopt advanced fuzzing techniques across various platforms.

What is Solidity Fuzzing Boilerplate?

The Solidity Fuzzing Boilerplate acts as a crucial starting point, aimed at streamlining the fuzzing procedure for diverse aspects of Solidity projects, especially libraries. Developers can write their tests once and seamlessly run them with the fuzzing tools provided by both Echidna and Foundry. When different Solidity versions are needed for certain components, these can be easily deployed within a Ganache instance using Etheno. For generating complex fuzzing inputs or performing differential fuzzing by comparing results with non-EVM executables, HEVM's FFI cheat code is a highly effective tool. Furthermore, results from fuzzing experiments can be shared without worrying about licensing implications by adjusting the shell script to pull specific files. If your Solidity contracts will not utilize shell commands, it is wise to disable FFI, as it can slow down processes and should mainly be seen as a workaround. This feature is particularly advantageous when testing intricate implementations that are hard to reproduce in Solidity but can be found in other programming languages. It is crucial to carefully examine the commands executed before initiating tests in projects with FFI enabled, to ensure a thorough understanding of the actions being performed. Maintaining clarity in your testing methodology is vital for upholding the integrity and effectiveness of your fuzzing initiatives, and it ultimately enhances the overall reliability of the project.

Media

Media

Integrations Supported

Echidna Finance
Etheno
Foundry
Solidity

Integrations Supported

Echidna Finance
Etheno
Foundry
Solidity

API Availability

Has API

API Availability

Has API

Pricing Information

Free
Free Trial Offered?
Free Version

Pricing Information

Free
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Battelle

Company Website

github.com/Battelle/afl-unicorn

Company Facts

Organization Name

patrickd

Company Website

github.com/patrickd-/solidity-fuzzing-boilerplate

Categories and Features

Categories and Features

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