Kali Linux is loaded with many tools for hacking and exploitation. Discussing here the basic tools which are used generally for network penetration.

>>Wireshark : This is sniffer or analyzer application which is used to capture and browse contents of network frames. It can be used to reconstruct TCP/IP streams.

>>Kismet : It is an 802.11 layer2 wireless network detector, sniffer, and intrusion detection system. Kismet will work with any wireless card which supports raw monitoring (rfmon) mode, and can sniff 802.11b, 802.11a, and 802.11g traffic.

>>Nessus Remote Security Scanner : It is the most popular vulnerability scanner. Many of the worlds largest organizations are realizing significant cost savings by using Nessus to audit business-critical enterprise devices and applications.

>>Nmap : It is the utility for network exploration or security auditing and works best for single hosts. It gives details of OS running, firewalls in use, ports open and many more details.

>>John the Ripper : JTR is a fast password cracker. It is used in many places where passwords are cracked which are in highly encrypted form.

If one is not using Kali can check availabilty of these softwares for there OS using below links :

Wireshark

Nessus

Nmap

John-The-Ripper

For Windows:

These commands can be used in CMD for information gathering on Windows.

>ping (IP or website name) : It sends few data packets to given IP and checks whether we are connected or not.

>ping /? : This will give more options with info.

>nslookup (website) : This gives DNS (Domain Name System) details.

>netstat -a : Gives network statistics which system is listening.

>ipconfig : Displays all current TCP/IP network configuration values like IP address ,subnet mask,gateway etc.

>net use : Retrieves a list of network current connections. When used with parameters, can be used to connect/disconnect a hardware from shared resources.

Screenshot (488)

Yes, from here we can also change the user password !! 😉

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