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Introduction:
The manual bug bounty hunting landscape is evolving, demanding tools that blend automation with deep technical learning. NucleiSploit emerges as a powerful new utility designed to bridge the gap between automated vulnerability scanning with Nuclei templates and the educational, exploit-centric approach of classic tools like Searchsploit. This tool empowers security researchers to query and learn from the vast ProjectDiscovery Nuclei template library directly from the command line, transforming it into an interactive knowledge base for manual testing.
Learning Objectives:
- Understand the core functionality of NucleiSploit and how it differs from traditional automation.
- Learn how to install and utilize NucleiSploit for efficient service reconnaissance and exploit research.
- Master advanced filtering techniques to pinpoint specific vulnerabilities and CVEs within the Nuclei template ecosystem.
You Should Know:
1. Installing NucleiSploit on Your Penetration Testing System
Before leveraging its capabilities, you must deploy NucleiSploit on your Linux-based security workstation. The process involves cloning the repository and ensuring all dependencies are met.
Clone the NucleiSploit repository from GitHub git clone https://github.com/rounak-bania/nucleisploit.git Navigate into the tool's directory cd nucleisploit Install the required Python dependencies pip3 install -r requirements.txt Run the tool to verify installation python3 nucleisploit.py -h
Step-by-step guide: This sequence of commands first retrieves the latest version of NucleiSploit from its official code repository. After entering the directory, the `pip3 install` command ensures all necessary Python libraries are present. Finally, executing the tool with the `-h` help flag confirms a successful installation and displays the available command-line options, a standard first step for any new security utility.
2. Performing Your First Basic Template Search
The fundamental use of NucleiSploit is to search the template database for a specific technology, service, or component, much like using a search engine for exploits.
Search for all templates related to WordPress nucleisploit "wordpress" Search for Apache-related templates nucleisploit "apache" Search for Jenkins-specific vulnerabilities nucleisploit "jenkins"
Step-by-step guide: These commands query the local Nuclei templates index for the provided keyword. The tool will return a list of matching templates, each with a name, a brief description, and a crucial local file path. This path allows the hunter to immediately open and study the template, understanding the vulnerability it targets, the HTTP requests it makes, and the conditions for exploitation, turning a simple search into a learning opportunity.
3. Filtering Templates by Discovery Year
To focus on the most recent vulnerabilities and avoid outdated PoCs, NucleiSploit allows for temporal filtering. This is critical when assessing modern applications that may not be susceptible to older attack vectors.
Find WordPress templates published or updated in 2024 nucleisploit "wordpress" --year 2024 Locate Redis-related templates from 2023 nucleisploit "redis" --year 2023
Step-by-step guide: The `–year` flag acts as a powerful filter, scoping the search results to templates associated with a specific year. This is immensely useful for hunters who need to quickly identify and understand new attack techniques that have emerged against a particular technology stack, ensuring their testing and knowledge are current.
4. Integrating NucleiSploit with Nuclei for Direct Exploitation
Once a promising template is identified, NucleiSploit’s output can be seamlessly fed into the Nuclei scanner itself for active exploitation or validation against a target.
First, search for a template and note its full path from the NucleiSploit output nucleisploit "springboot" The output might show a path like: `/nuclei-templates/technologies/springboot-file-read.yaml` Use this path directly with the Nuclei command nuclei -u https://target.com -t /nuclei-templates/technologies/springboot-file-read.yaml
Step-by-step guide: This workflow demonstrates the transition from reconnaissance to action. The hunter uses NucleiSploit for research to find the exact template path. This path is then used as the `-t` (template) argument in a Nuclei command, directing the scanner to execute that specific test against the target URL. This combines manual intelligence with automated execution.
5. Leveraging Advanced grep for Complex Template Analysis
For the advanced researcher, combining NucleiSploit with classic command-line utilities like `grep` can uncover highly specific attack signatures and CVEs buried within the template code.
Use NucleiSploit to find templates, then grep for ones containing a specific CVE identifier nucleisploit "jira" | grep "CVE-2023-22527" Search for templates that use a specific exploitation technique, like SSRF nucleisploit "aws" | grep -i "ssrf" Find templates that target a specific file path nucleisploit "nginx" | grep "etc/passwd"
Step-by-step guide: This technique pipelines the broad output of NucleiSploit into the filtering power of grep. The first command specifically hunts for a Jira template related to a known CVE. The second combs through AWS templates for those involving Server-Side Request Forgery. This method allows for deep, contextual searching that goes beyond simple template names.
6. Building a Custom Wordlist from Template Data
Nuclei templates are a goldmine of endpoint and parameter names. You can extract this data to build highly targeted wordlists for directory bruteforcing or parameter fuzzing.
Extract all 'path' fields from WordPress templates and save to a custom wordlist
nucleisploit "wordpress" --raw | grep "path:" | awk '{print $2}' | sort -u > wp_wordlist.txt
Use the custom wordlist with a tool like ffuf
ffuf -u https://target.com/FUZZ -w wp_wordlist.txt -mc 200
Step-by-step guide: This advanced command chain uses the `–raw` flag for more detailed output, filters for lines containing “path:”, uses `awk` to print the second column (the path itself), and then sorts and removes duplicates. The result is a custom wordlist (wp_wordlist.txt) derived from actual exploit templates, which is then used by `ffuf` to discover live endpoints on a target, dramatically increasing the relevance and success rate of bruteforcing attacks.
7. Windows-Based Deployment and Usage
While primarily a Linux tool, NucleiSploit can be run on Windows systems via the Windows Subsystem for Linux (WSL), ensuring penetration testers on any platform can utilize it.
In a WSL environment, the installation and usage commands are identical. nucleisploit "iis" --year 2024 To copy a template path from WSL for use in a Windows-native Nuclei installation, you can use the `clip.exe` utility. nucleisploit "exchange" | grep "CVE-2024-21413" | clip.exe
Step-by-step guide: For Windows users, the first step is to install and configure WSL with a Linux distribution like Ubuntu. Once inside the WSL environment, all previous Linux commands function identically. The example shows how to pipe a specific CVE template result to the Windows clipboard using clip.exe, enabling a smooth workflow between the WSL environment and any Windows-based tools.
What Undercode Say:
- The Manual Hunter’s New Best Friend: NucleiSploit successfully reframes the Nuclei project from a purely automated scanner into an indispensable educational resource, filling a significant gap in the modern pentester’s toolkit.
- Bridging Knowledge and Automation: Its true power is not just in finding templates but in creating a fluid workflow where learning an exploit and executing it are two sides of the same coin, enhancing both the efficiency and depth of security assessments.
The emergence of NucleiSploit signals a maturation in the bug bounty tooling ecosystem. It acknowledges that while automation is essential, the discerning manual hunter requires tools that augment their intellect and understanding, not just their output speed. By making the collective knowledge of the Nuclei community instantly searchable and learnable, it lowers the barrier to entry for complex vulnerabilities and empowers hunters to test more intelligently. The tool’s design, emphasizing local paths and filterable results, shows a deep understanding of the real-world workflow of a security researcher, making it more than just a simple clone of Searchsploit but a natural evolution of the concept for the web application security era.
Prediction:
The conceptual shift embodied by NucleiSploit—treating vulnerability scanner templates as a queryable knowledge base—will fundamentally change how security tools are developed. We predict a future where AI-powered assistants will integrate directly with tools like Nuclei, allowing hunters to perform natural language queries (“show me recent unauthenticated RCEs in Java applications”) and receive not just template paths but synthesized explanations, modified PoC code, and automated target validation. This will further democratize advanced security testing, allowing a broader range of professionals to identify and understand sophisticated threats, ultimately forcing organizations to adopt more proactive and robust security postures.
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