№2. BlueTeam-Tools. Network discovery and mapping

15 May 2023 4 minutes Author: Lady Liberty

Detection of security vulnerabilities in the Network

Networking is a huge term in the technology world. A network is known as the backbone of a telecommunications system that is used to share data and resources using a data link. The next term that appears in the framework is network security. Network security consists of a set of rules, policies, and guidelines adopted to monitor and prevent abuse and unauthorized manipulation of a network. Network scanning deals with network security and is an activity that identifies network vulnerabilities and loopholes to protect your network from unwanted and unusual behavior that can harm your system. It can harm even your personal and confidential information. Threats can have several sources, so it is very important to classify them in a timely manner and create a scheme for their analysis. Vulnerability scanning is the process of identifying known and potential vulnerabilities in a security system.

Vulnerability scanners, which can work in manual or automatic mode, use different methods to scan systems and networks. Significantly, estimating and liquidating the potential weaknesses in the security system, organizations can protect against attacks and, even if they stink all the time, minimizing the crowds. Meta keruvannya by strife is used in order to change the outrageous risk for the organization, having sunk the yakomog more strife. This can be difficult, given the number of potential vulnerabilities and the limited resources available for remediation. Surviving by strife can be an uninterrupted process of removing new threats and changing the environment. Therefore, in this article you will find tools for scanning and mapping the network, discovering devices and services, as well as identifying potential vulnerabilities.

Nmap

Nmap (short for Network Mapper) is a free, open-source network scanning tool used to discover hosts and services on a computer network and find information about their characteristics. It can be used to determine which ports on the network are open and which services are running on those ports. Including the ability to detect security vulnerabilities in the network.

Installation:

You can download the latest issue here.

Using:



A good cheat sheet for use.



Cores

A specialized tool designed to automate the process of detecting vulnerabilities in web applications, networks, and infrastructure. Nuclei uses predefined patterns to probe a target and identify potential vulnerabilities It can be used to test a single host or a range of hosts, and can be configured to run a variety of tests to test for different types of vulnerabilities.

Installation:



Using:



Full usage information can be found here.

Masscan

A port scanner similar to nmap, but much faster and can scan a large number of ports in a short amount of time. Masscan uses a new technique called “SYN scanning” to scan networks, which allows it to scan a large number of ports very quickly.

Installation: (Apt)



Install: (Git)



Using:





Angry IP Scanner

Free and open source IP and port scanning tool. It is a cross-platform tool designed to be fast and easy to use that can scan an entire network or a range of IP addresses to find live hosts. Angry IP Scanner can also determine a device’s hostname and MAC address, and can be used to perform basic ping checks and port scans.

Installation:

You can download the latest issue here.

Using:



Angry IP Scanner can be used through a graphical interface.

Full usage information and documentation can be found here.

ZMap

ZMap is a network scanner designed to comprehensively scan the IPv4 address space or large parts of it. On a typical desktop computer with a gigabit Ethernet connection, ZMap is capable of scanning the entire public IPv4 address space in less than 45 minutes.

Installation:

You can download the latest issue here.

Using:



Full usage information can be found here.



Shodan

Shodan is a search engine for internet-connected devices. It scans resources on the Internet, allowing users to search for specific devices and view information about them. This information may include the IP address of the device, the software and version it is running, and the type of device.

Installation:

Access to the search engine is available at https://www.shodan.io/dashboard.

Using:

Shodan Query Basics

Examples of Shodan queries



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