What Wireshark Does — It captures and analyzes packets traveling through a network.

Step 1: Install Wireshark

Download from the official website. Install Npcap during setup.

Step 2: Start packet capture

Select your active network interface:

  • WiFi
  • Ethernet

Step 3: Use Filters — Example filters: http, dns, tcp, ip.addr == 192.168.1.1

Step 4: Analyze Packets

You can inspect:

  • Source IP
  • Destination IP
  • Protocol
  • Payload data

Step 5: Export packets

Save captured packets as: .pcap

This is useful for digital forensics and malware analysis.