Windiff - Web-based Tool That Allows Comparing Symbol, Type And Syscall Information Of Microsoft Windows Binaries Across Different Versions Of The OS
2023-11-30 19:30:0 Author: www.kitploit.com(查看原文) 阅读量:9 收藏

WinDiff is an open-source web-based tool that allows browsing and comparing symbol, type and syscall information of Microsoft Windows binaries across different versions of the operating system. The binary database is automatically updated to include information from the latest Windows updates (including Insider Preview).

It was inspired by ntdiff and made possible with the help of Winbindex.

How It Works

WinDiff is made of two parts: a CLI tool written in Rust and a web frontend written in TypeScript using the Next.js framework.

The CLI tool is used to generate compressed JSON databases out of a configuration file and relies on Winbindex to find and download the required PEs (and PDBs). Types are reconstructed using resym. The idea behind the CLI tool is to be able to easily update and regenerate databases as new versions of Windows are released. The CLI tool's code is in the windiff_cli directory.

The frontend is used to visualize the data generated by the CLI tool, in a user-friendly way. The frontend follows the same principle as ntdiff, as it allows browsing information extracted from official Microsoft PEs and PDBs for certain versions of Microsoft Windows and also allows comparing this information between versions. The frontend's code is in the windiff_frontend directory.

A scheduled GitHub action fetches new updates from Winbindex every day and updates the configuration file used to generate the live version of WinDiff. Currently, because of (free plans) storage and compute limitations, only KB and Insider Preview updates less than one year old are kept for the live version. You can of course rebuild a local version of WinDiff yourself, without those limitations if you need to. See the next section for that.

Note: Winbindex doesn't provide unique download links for 100% of the indexed files, so it might happen that some PEs' information are unavailable in WinDiff because of that. However, as soon as these PEs are on VirusTotal, Winbindex will be able to provide unique download links for them and they will then be integrated into WinDiff automatically.

How to Build

Prerequisites

  • Rust 1.68 or superior
  • Node.js 16.8 or superior

Command-Line

The full build of WinDiff is "self-documented" in ci/build_frontend.sh, which is the build script used to build the live version of WinDiff. Here's what's inside:

# Resolve the project's root folder
PROJECT_ROOT=$(git rev-parse --show-toplevel)

# Generate databases
cd "$PROJECT_ROOT/windiff_cli"
cargo run --release "$PROJECT_ROOT/ci/db_configuration.json" "$PROJECT_ROOT/windiff_frontend/public/"

# Build the frontend
cd "$PROJECT_ROOT/windiff_frontend"
npm ci
npm run build

The configuration file used to generate the data for the live version of WinDiff is located here: ci/db_configuration.json, but you can customize it or use your own. PRs aimed at adding new binaries to track in the live configuration are welcome.

Windiff - Web-based Tool That Allows Comparing Symbol, Type And Syscall Information Of Microsoft Windows Binaries Across Different Versions Of The OS Windiff - Web-based Tool That Allows Comparing Symbol, Type And Syscall Information Of Microsoft Windows Binaries Across Different Versions Of The OS Reviewed by Zion3R on 8:30 AM Rating: 5


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