Hacking networks tutorials

Backtrack is a Linux-based security operating system. It is developed on top of Ubuntu. Backtrack comes with a number of security tools. Backtrack can be used to gather information, assess vulnerabilities and perform exploits among other things. Cracking wireless network keys requires patience and resources mentioned above. At a minimum, you will need the following tools. In this practical scenario, we are going to learn how to crack WiFi password.

We will use Cain and Abel to decode the stored wireless network passwords in Windows. Skip to content. Guru99 is Sponsored by Netsparker. Netsparker, the developers of Proof Based Scanning technology, have sponsored the Guru99 project to help raise web application security awareness and allow more developers to learn about writing secure code. Visit the Netsparker Website.

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You just have to click the Scanning button and wait for the result, as shown in the following screenshot. It is important to note that your card should support monitoring mode, otherwise you will fail to monitor. Wired Equivalent Privacy WEP is a security protocol that was invented to secure wireless networks and keep them private. It utilizes encryption at the data link layer which forbids unauthorized access to the network.

The key is used to encrypt the packets before transmission begins. An integrity check mechanism checks that the packets are not altered after transmission.

Note that WEP is not entirely immune to security problems. Aircrak-ng is another popular tool for cracking WEP passwords. It can be found in the Kali distribution of Linux.

The following screenshot shows how we have sniffed a wireless network and collected packets and created a file RHAWEP Then we run it with aircrack-ng to decrypt the cypher. In a wireless environment, an attacker can attack a network from a distance and therefore, it is sometimes difficult to collect evidences against the attacker.

The first type of DoS is Physical Attack. This type of attack is very basic and it is in the base of radio interferences which can be created even from cordless phones that operate in 2. Another type is Network DoS Attack.