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Views: 3Encrypted Protocol Analysis: Decrypting HTTPS When investigating web traffic, analysts often run across encrypted traffic. This is caused by using the Hypertext Transfer Protocol Secure (HTTPS) protocol for enhanced security against spoofing, sniffing and intercepting attacks. HTTPS uses TLS protocol to encrypt communications, so it is impossible to decrypt the traffic and view the … Read more
Views: 2Investigate Tunnelling Traffic: ICMP and DNS Traffic tunnelling is (also known as “port forwarding”) transferring the data/resources in a secure method to network segments and zones. It can be used for “internet to private networks” and “private networks to internet” flow/direction. There is an encapsulation process to hide the data, so the transferred data appear natural … Read more
Views: 2Identifying Hosts When investigating a compromise or malware infection activity, a security analyst should know how to identify the hosts on the network apart from IP to MAC address match. One of the best methods is identifying the hosts and users on the network to decide the investigation’s starting point and list the hosts … Read more
Views: 12Wireshark: Traffic Analysis Display Filter Reference Investigating Nmap scans Nmap is an industry-standard tool for mapping networks, identifying live hosts and discovering the services. As it is one of the most used network scanner tools, a security analyst should identify the network patterns created with it. Common Nmap scan types, It is essential to know … Read more
Views: 5Wireshark: Packet Operations Statistics | Summary This menu provides multiple statistics options ready to investigate to help users see the big picture in terms of the scope of the traffic, available protocols, endpoints and conversations, and some protocol-specific details like DHCP, DNS and HTTP/2. For a security analyst, it is crucial to know how to … Read more
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Views: 21TShark VS. Wireshark (Terminal vs. GUI) TShark is a purpose-built terminal tool based on Wireshark. TShark shares many of the same features that are included in Wireshark and even shares syntax and options. TShark is perfect for use on machines with little or no desktop environment and can easily pass the capture information it … Read more