OpenBullet 2 (OB2) plugins are modular extensions that allow you to expand the software's core functionality by adding custom Blocks. These blocks can then be used within your configurations to perform specific tasks not natively supported by the base application. 1. Types of Plugin Functionality
While OB2 is highly flexible out of the box, plugins are typically used for:
Custom Automation Blocks: Adding specific logic for complex data manipulation or external service interaction.
Captcha Solving: Integrating specialized third-party captcha solvers beyond the default options.
External API Interoperability: Connecting OB2 tasks to specific web services or proprietary APIs.
Advanced Data Processing: Handling specific byte array manipulations or conditional logic required for niche targets. 2. How to Install Plugins Plugins in OpenBullet 2 are compiled as .dll files. Navigate to your OpenBullet 2 root directory. Open the Plugins folder. Place your .opk or .dll plugin file into this folder.
Restart the OpenBullet 2 instance to load the new blocks into the Config Editor. 3. Creating Your Own Plugins
If you are a developer, you can build custom plugins using C# and .NET Core.
RuriLib: Most plugins leverage the RuriLib library, which provides the framework for automation tasks, proxy models, and plugin management.
Sample Code: The official OpenBullet GitHub provides a Sample Plugin Repository that demonstrates how to structure a project with dependencies.
Custom Descriptors: You can create custom BlockDescriptors to add UI elements like dropdown lists within your blocks to make them more user-friendly. 4. Safety and Sourcing
Legality: Only use OpenBullet 2 and its plugins for authorized security testing or data parsing. Using it for credential stuffing or DDoS attacks on unauthorized targets is illegal.
Trust: Only download plugins from reputable sources (like official GitHub repositories or the OpenBullet Discourse) to avoid malicious code or "backdoor" plugins designed to steal your hits. openbullet/OB2PluginSample: Sample plugin for ... - GitHub
Sample plugin for OB2 with a dependency. Please refer to this guide to understand how to use this.
Sample plugins for OpenBullet with well-commented code. - GitHub
OpenBullet 2 (OB2) has evolved into a powerhouse for web automation, scraping, and penetration testing, largely due to its modular architecture. While the base software is feature-rich, OpenBullet 2 plugins are the secret to unlocking advanced capabilities, such as custom bypasses, specialized data processing, and integration with third-party APIs. What are OpenBullet 2 Plugins?
Plugins in OpenBullet 2 are external libraries (typically .dll files) that extend the software's core functionality. Unlike standard "Configs," which define how a bot interacts with a specific website, plugins add new blocks to the Stacker interface. These blocks allow developers to perform complex operations—like advanced encryption, custom hashing, or specialized API calls—that aren't available in the native RuriLib library. Key Benefits of Using Plugins
Custom Block Creation: Add unique logic to your configurations without waiting for official updates.
Enhanced Performance: Offload heavy computational tasks to optimized C# code rather than relying solely on LoliCode scripts.
Bypass Capabilities: Many modern plugins are designed specifically to handle advanced anti-bot systems like Cloudflare or specialized CAPTCHA challenges.
External Integration: Easily connect your automation tasks to tools like Telegram for instant hit notifications or custom databases for storage. Popular OpenBullet 2 Plugins (2025-2026)
While the ecosystem is constantly shifting, several plugins have become staples for power users:
ExtraFunction Plugin: Developed by community members like MrRoot, this plugin adds features from SilverBullet Pro, including Telegram integration, file encryption/decryption, and automated downloads.
Raptor's reCAPTCHA V2 Bypass: A specialized extension focused on automating the resolution of complex visual challenges.
HotspotShield Plugin: Often required for specific VPN-based configurations to manage session-level proxy rotation and authentication. How to Install OpenBullet 2 Plugins
Installing a plugin is straightforward but requires a restart of the application:
Locate the Plugin: Download the .dll file and any associated dependencies.
Access the Directory: Navigate to the UserData/Plugins folder within your OpenBullet 2 installation directory. Deploy: Paste the .dll files into this folder. Openbullet 2 Plugins
Restart: Close and reopen OpenBullet 2. The new blocks will now appear in your Config editor's block list. Developing Your Own Plugins
OpenBullet 2 is built on .NET 8, making it highly accessible for C# developers. To build your own: openbullet/OB2PluginSample: Sample plugin for ... - GitHub Repository files navigation * README. * MIT license. Plugins - OpenBullet 2
Plugins. Plugins allow you to expand the functionalities of OpenBullet 2 by adding your own custom blocks to use in a Config. docs.openbullet.dev External Libraries - OpenBullet 2
Mastering OpenBullet 2: A Comprehensive Guide to Plugins OpenBullet 2 has revolutionized the world of web testing and automation. As an open-source, cross-platform successor to the original OpenBullet, it offers unparalleled flexibility. However, its true power lies in its extensibility. While the core software is robust, OpenBullet 2 plugins are the secret sauce that allow developers and testers to push the boundaries of what’s possible.
In this guide, we’ll dive deep into what plugins are, why they are essential, and how you can leverage them to supercharge your automation workflows. What are OpenBullet 2 Plugins?
At its core, a plugin is a piece of compiled code (typically a .dll file) that adds new functionality to OpenBullet 2. Unlike standard "Configs," which tell the software how to navigate a specific site, plugins change what the software is capable of doing.
They integrate seamlessly into the Stacker interface, allowing you to drag and drop new blocks that aren't available in the vanilla version. Why Use Plugins?
Custom Logic: Perform complex mathematical calculations or data transformations that standard blocks can't handle.
Third-Party Integrations: Connect directly to APIs, databases, or specialized captcha-solving services.
Efficiency: Reduce the number of blocks needed in a config by consolidating complex tasks into a single, high-performance plugin block.
Hardware Interaction: Some plugins allow OpenBullet to interact with system-level resources or specialized hardware. Essential Types of Plugins
The OpenBullet community is prolific, constantly developing tools to solve niche problems. Here are the most common categories: 1. Advanced Crypto & Hashing
Standard OpenBullet supports common hashes like MD5 or SHA-256. However, if you are dealing with modern security, you might need plugins for Argon2, Bcrypt, or Scrypt. These plugins ensure your testing environment matches the cryptographic standards of modern web applications. 2. Browser Automation Enhancements
While OpenBullet 2 has built-in Puppeteer and Selenium support, plugins can provide "Stealth" modes. These help in bypassing sophisticated bot detection systems by mimicking human-like mouse movements and fingerprinting real browser headers more effectively. 3. Captcha Solvers
While many services use API keys, specialized plugins can integrate local AI-based solvers. This reduces latency and costs by processing simple captchas directly on your machine rather than sending them to a third-party farm. 4. Database Connectors
For enterprise-level testing, you might need to fetch data from or log results to a SQL, MongoDB, or Redis database. Plugins make these connections native, allowing for real-time data synchronization. How to Install OpenBullet 2 Plugins
Installing a plugin is straightforward, but it requires a restart of the software.
Download the Plugin: Ensure you are getting your .dll files from trusted sources (like the official OpenBullet forum or reputable GitHub repositories).
Locate the Folder: Navigate to your OpenBullet 2 installation directory.
The Plugins Directory: Find the folder named UserData/Plugins. Move the File: Paste the .dll file into this folder.
Restart: Launch OpenBullet 2. You should now see new blocks available in the Stacker under the "Plugins" category. Best Practices for Using Plugins
To keep your environment stable and secure, follow these simple rules:
Audit the Source: Since plugins are compiled code, they can theoretically execute malicious commands. Never run a plugin from an untrusted source.
Keep Them Updated: When OpenBullet 2 receives a core update, plugins may break. Check for updates to your plugins to ensure compatibility.
Don't Overcomplicate: Only use a plugin if the native blocks can't achieve the goal. The fewer dependencies your configs have, the easier they are to share and maintain. Conclusion
OpenBullet 2 Plugins transform a great tool into an elite automation suite. Whether you’re looking to bypass advanced bot protection, integrate custom databases, or use cutting-edge encryption, there is likely a plugin designed for your exact needs. By understanding how to implement and manage these tools, you can significantly increase your efficiency and the success rate of your web testing cycles.
The story of OpenBullet 2 Plugins is a narrative of community-driven evolution, moving from a simple automation tool to a sophisticated modular ecosystem. The Origin: From Scripting to Modularity OpenBullet 2 (OB2) plugins are modular extensions that
The journey began with the transition from the original OpenBullet to version 2. While the first version relied heavily on "configs" (scripts for specific sites), developers faced limitations when trying to perform complex tasks like custom encryption, unique API handshakes, or specialized data exporting. To solve this, the developer (Ruri) introduced a Plugin System, allowing users to write C# code that integrates directly with the RuriLib API. The Role of Plugins
Plugins act as the "extra muscles" for OpenBullet 2. While a standard config might handle basic web requests, a plugin can:
Solve CAPTCHAs: Advanced plugins integrate with third-party services to bypass security checkpoints.
Custom Logic: They allow for unique data parsing that standard Lolly or Anomaly scripts might struggle with.
Extending Interfaces: Developers can create custom UI elements within the web client to make complex bots more user-friendly. The Community "Underground" Marketplace
As OpenBullet 2 gained popularity in cybersecurity and web testing circles, a vibrant sub-culture emerged. On forums and platforms like GitHub, developers began sharing specialized plugins. Some are open-source "helpers" for automation frameworks like Puppeteer or Selenium, while others are traded in underground markets to help threat actors automate credential-stuffing attacks. The Future: Automation at Scale
Today, the story continues as OpenBullet 2 shifts toward more native integrations. The introduction of "Native" builds and advanced proxy integration has made plugins more powerful, allowing them to handle massive amounts of data with minimal overhead. For many developers, the plugin system is no longer just an add-on; it is the core engine that makes OpenBullet 2 a "Swiss Army knife" for web testing.
OpenBullet 2 (OB2) uses a hot-loadable plugin system that allows developers to extend the software's functionality without modifying the core source code. These plugins primarily add custom blocks
to the stacker, which can then be used in configurations to handle specialized tasks like advanced encryption, anti-bot bypasses, or integration with external services. 🛠️ Core Purpose of Plugins
Plugins bridge the gap between the standard OB2 toolset and unique site requirements. Custom Encryption
: Implement proprietary algorithms (e.g., HMAC, custom JS WebTokens) to sign requests. Anti-Bot Bypasses
: Add blocks that specifically target advanced detection systems like Cloudflare or Akamai. Captcha Integration
: Connect to specialized third-party solving services not included by default. External Data Handling
: Integrate with databases or proprietary APIs for live data logging or retrieval. Proxy-Seller How Plugins Work in OB2 OB2 is built on
(formerly .NET Core), making its plugin system cross-platform. docs.openbullet.dev Description Hot-Loading
Plugins can be added or removed while the application is running. User-Defined Blocks
Developers write C# code that appears as a new "Block" in the visual editor. File Format Compiled as files and placed in the UserData/Plugins directory. Config Inclusion
When a config uses a plugin-provided block, the plugin's name is noted in the config's JSON metadata. 📂 How to Install and Use Plugins : Obtain the compiled file from a trusted source (e.g., the official OB2 GitHub or verified community forums). : Move the (and any required dependencies) into the UserData/Plugins folder of your OB2 installation. Restart/Scan
: Restart the application or use the "Rescan" feature in the Plugins tab to load the new modules. Implementation : The new blocks will appear in the
under the specific category defined by the plugin developer. docs.openbullet.dev ⚠️ Security and Ethics Risk of Malware : Plugins are executable code. Never run
files from untrusted sources, as they can steal your data or infect your system.
: While OB2 is a legitimate web testing tool, it is frequently misused for illegal activities like credential stuffing
. Always ensure you have explicit permission to test any target.
If you are looking to build your own, would you like to see a C# code template for a basic plugin or a guide on how to one in Visual Studio? External Libraries - OpenBullet 2
OpenBullet 2 is a cross-platform automation suite powered by .NET, primarily used for web testing, data scraping, and penetration testing . One of its most powerful features is its plugin architecture
, which allows users to extend the core functionality by adding custom blocks to their configurations. What are OpenBullet 2 Plugins?
Plugins are modular additions that integrate directly into the OpenBullet 2 environment. They allow developers to: Add Custom Blocks Build the project to MyCustomPlugin
: Create new types of actions that are not available in the standard "stacker" interface. Integrate External Libraries
: Use C# libraries (via NuGet or .dll files) to perform complex operations like custom encryption/decryption, specific data formatting, or complex math. Enhance Performance
: Improve the software's ability to handle high-volume tasks or interact with external APIs more efficiently. Core Functionalities Enabled by Plugins
Plugins significantly broaden what you can do within a "Config" (the script that tells the tool how to interact with a target): CAPTCHA Solving : Integration with specialized services like Anti-Captcha to automate the bypassing of security challenges. Custom Encryption
: Implement algorithms for handling JSON Web Tokens (JWT), HMACs, or anti-CSRF tokens that a target site might use. Result Exporting
: Automatically send successful results ("Hits") to external platforms like instant messaging apps or remote databases. Advanced Data Processing : Use libraries like HtmlAgilityPack for complex HTML parsing or Newtonsoft.Json for efficient JSON serialization. How to Install and Manage Plugins OpenBullet 2
makes plugin management straightforward through its dedicated Plugins tab : Place the file of the plugin into the folder within your OpenBullet 2 directory. Automatic Loading
: The program automatically detects and loads these libraries upon startup. Activation : Within the Plugins tab
in the UI, you can view, activate, or deactivate specific plugins depending on the needs of your current workflow. Important Considerations
While plugins offer immense flexibility, users should be aware of potential risks: openbullet/OpenBullet2 - GitHub
In OpenBullet 2, plugins are used to extend the software's core functionality by adding custom blocks that can be utilized within your configurations. These are particularly useful for implementing proprietary algorithms, custom encryption/decryption (like HMACs or JS WebTokens), or complex captcha-solving logic that standard blocks cannot handle. Key Details for Using Plugins
Installation: To add a plugin, place the .dll file and its required dependencies into the Plugins folder within your OpenBullet 2 directory. The program will automatically load them upon startup.
External Libraries: If you need to use a specific library (e.g., Newtonsoft.Json), check if it's already a built-in dependency before adding it manually to avoid version conflicts.
Development: For developers, the OB2PluginSample repository provides a boilerplate for creating new plugins with dependencies.
Community Resources: You can find and share custom plugins on the Official OpenBullet Community Discourse. Common Plugin Uses
Custom Encryption: Implementing specific hashing or encoding methods for anti-CSRF or bot-protection bypass.
UI Enhancements: Adding custom dropdown lists or descriptors within the config editor to make scripts more user-friendly.
Bypassing Protections: Specialized modules for decoding complex captchas or interacting with specific anti-bot headers. openbullet/OB2PluginSample: Sample plugin for ... - GitHub
Sample plugin for OB2 with a dependency. Please refer to this guide to understand how to use this. OpenBullet - OpenBullet official community Plugins. Here you can share your plugins with other people. discourse.openbullet.dev External Libraries - Introduction | OpenBullet 2
MyCustomPlugin.dll.Plugins folder of your OpenBullet 2 installation.Example: A block that calculates HMAC-SHA256.
using OpenBullet2.Core.Models.Blocks; using RuriLib.Models.Blocks; using RuriLib.Models.Blocks.Parameters;[Block("HMAC", "Crypto")] public class HmacBlock : Block [BlockParam("Message")] public string Message get; set; = "message";
[BlockParam("Secret Key")] public string SecretKey get; set; = "key"; [BlockParam("Output Variable")] public string OutputVariable get; set; = "hmac_result"; public override BlockResult Run(RuriLib.Core.Data.DataContext context) var msg = ReplaceValues(Message, context); var key = ReplaceValues(SecretKey, context); using var hmac = new HMACSHA256(Encoding.UTF8.GetBytes(key)); var hash = hmac.ComputeHash(Encoding.UTF8.GetBytes(msg)); var result = Convert.ToHexString(hash).ToLower(); SetVariable(context, OutputVariable, result); return BlockResult.Success;
AssemblyLoadContext, leading to potential version conflicts with shared dependencies (e.g., Newtonsoft.Json).call command).OpenBullet 2 plugins provide a clean, extensible architecture for security testers and automation engineers to add custom functionality. While the current implementation has some limitations (no UI extensions, assembly conflicts), the system is robust enough for creating custom blocks, LoliScript functions, and external integrations. Developers should follow security best practices and test plugins in isolated environments before production use.
Disclaimer: This write-up is for educational purposes. Use OpenBullet 2 only on systems you own or have explicit permission to test.
Here’s a structured social/media post you can use to announce or explain OpenBullet 2 Plugins.
You can adjust the tone (professional, community-focused, technical) depending on where you post (e.g., GitHub, Discord, Telegram, or a forum).
On-the-fly mutation.
admin -> Admin2024, admin!, adm1n).