Nuclei will select some default options to run the vulnerability scan and display the results. These commands will use nuclei to scan for thousands of known vulnerabilities and enumerate information about the target(s). Or for multiple targets: nuclei -l /path/to/list-of-targets.txt
Or to scan non-HTTP(S) network services: nuclei -u my.target.site:5759
After installing the tool, it can be as simple as running (for a single target): nuclei -u Nuclei is quite simple to get up-and-running without having to read a lot of documentation. A basic example of how this works is if a scan contains 5 individual templates that need to make a GET request to the path /login.php, then instead of making 5 separate GET requests to that URL, it will make one request and the 5 individual templates can process the results of that request. The nuclei engine uses “template clustering” to optimize the number of requests sent to a target and reduce network traffic.
#Detectx app how to#
In summary, a Nuclei HTTP scanning template will specify the details of the request, such as the request method, the path and headers and rules for how to check the response to fingerprint the service or determine the presence of a vulnerability. We’ll cover templates for HTTP scanning in detail first, as web services are the most common target for the typical Nuclei user, and later in this guide we’ll take a look at how to develop custom templates for scanning some other protocols. Nuclei can understand various network protocols and services including HTTP, DNS, SSL, and raw TCP communications. The markup data in the file tells nuclei what to send to a host and what to look for in the host’s response to determine whether it is vulnerable to a certain issue. TemplatesĪ Nuclei template is a YAML file. This guide will walk through nuclei’s various features and options especially the most powerful ones like custom templates and workflows and provide some guidance on how to use these features to find bugs in real targets. This means whenever a new CVE is published, someone can create a Nuclei template and can publish it for the security community to use. It is an open-source tool that encourages community contributions to the library of templates, and development of the codebase. The nuclei engine uses text-file templates to define the steps required to detect a vulnerability. It can scan thousands of hosts in just a few minutes. Nuclei is a fast, efficient, and extensible vulnerability scanner. Efficient, extensible, flexible, open source vulnerability scanning.
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