Network scanning with Fierce

Fierce is specifically designed for corporate networks and is used to discover likely targets in the networks of their systems. Capable of scanning for domains within minutes, Fierce is becoming the preferred tool for performing vulnerability checks in large networks.

1. What is fierce tool?
2. What DNS fierce?
3. What is Unicornscan?
4. Why is DNS enumeration important?
5. How do I install Unicornscan?
6. What does netcat command do?
7. What is DNS enumeration and why is it important?
8. How do I stop DNS enumeration?
9. What is a DNS enumeration attack used for?

What is fierce tool?

Fierce is a semi-lightweight scanner that helps locate non-contiguous. IP space and hostnames against specified domains. It's really meant. as a pre-cursor to nmap, unicornscan, nessus, nikto, etc, since all. of those require that you already know what IP space you are looking.

What DNS fierce?

Fierce is a semi-lightweight scanner that helps locate non-contiguous IP space and hostnames against specified domains. It's really meant as a pre-cursor to nmap, unicornscan, nessus, nikto, etc, since all of those require that you already know what IP space you are looking for.

What is Unicornscan?

Unicornscan is a new information gathering and correlation engine built for and by members of the security research and testing communities. It was designed to provide an engine that is Scalable, Accurate, Flexible, and Efficient.

Why is DNS enumeration important?

There are a few reasons why DNS enumeration is important. It can reveal the size of the enterprise of the target organization which can translate to the potential size of the attack surface. Enumerating the number of domains and sub-domains can reveal how large or small the organization may be.

How do I install Unicornscan?

required for a default install:

1. Download the latest version of Unicornscan from. ...
2. Decompress the downloaded tarball with a command such as: ...
3. Change into the newly created directory: ...
4. Configure the build system: ...
5. Build Unicornscan: ...
6. As a privledged user, install Unicornscan, support files, docs, etc.: ...
7. To uninstall:

What does netcat command do?

Netcat (or nc ) is a command-line utility that reads and writes data across network connections, using the TCP or UDP protocols. ... You can use Netcat to debug and monitor network connections, scan for open ports, transfer data, as a proxy, and more.

What is DNS enumeration and why is it important?

DNS enumeration is the process of locating all the DNS servers and their corresponding records for an organization. DNS enumeration will yield usernames, computer names, and IP addresses of potential target systems. ... A user or server will perform a specific zone transfer request from a ―name server.

How do I stop DNS enumeration?

Close all unneeded server ports, stop unwanted OS services, filter your traffic using a firewall, and only allow basic services such as SSH and the DNS server itself. This will help a lot to mitigate the chances of a DNS attack.

What is a DNS enumeration attack used for?

DNS Enumeration is used to gather as many interesting details as possible about your target before initiating an attack. DNS servers that can yield information such as usernames, computer names, and IP addresses of potential target systems. DNS enumeration is done to find large amounts of information.