Stealing Data with Wireshark: A Guide to Network Packet Sniffing

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1. Install Wireshark: Download and install Wireshark on your system. Ensure you have the necessary permissions to install software.
   
2. Select Network Interface: Open Wireshark and select the network interface you want to capture traffic from. This could be a wired or wireless interface.
   
3. Start Capture: Begin capturing network traffic. Wireshark will start displaying packets in real-time.
   
4. Apply Filters: Use display filters to focus on specific types of traffic, such as HTTP, DNS, or specific IP addresses. This helps in isolating the relevant data.
   
5. Capture Sensitive Information: Look for packets containing sensitive information, such as login credentials, session cookies, or personal data. This information is often found in HTTP POST requests or other unencrypted protocols.
   
6. Save Capture File: Save the captured packets to a file for later analysis. This allows you to review the data offline and share it with others if needed.
   
7. Analyze Captured Data: Use Wireshark's analysis tools to inspect the captured packets. This can include following TCP streams, examining packet details, and extracting sensitive information.
   
8. Exfiltrate Data: If the captured data includes sensitive or valuable information, exfiltrate it from the network. This could involve copying files, extracting databases, or transmitting data to an external server.
   

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