NetwerkLABS

Shodan 101

Shodan is a search engine for Internet-connected devices.It lets users search for various types of servers (webcams, routers, servers, etc.) connected to the internet using a variety of filters.Some have also described it as a search…

Bharath Narayanasamy shodan, osint

DETECT RESPOND DFIR

Wireshark 101 | Traffic Analysis and Investigation (PART 04)

Encrypted 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.…

zyberbkay wireshark

IDENTIFY DETECT RESPOND

Wireshark 101 | Traffic Analysis and Investigation (PART 03)

Investigate 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…

zyberbkay wireshark, dfir

DFIR

Concepts of Forensic Imaging

Core Concepts The process of imaging a disk starts by identifying the target drive, preparing it for imaging, and then creating the image file which is later verified for integrity. This needs to be performed in…

Bharath Narayanasamy dfir

IDENTIFY DETECT RESPOND

Wireshark 101 | Traffic Analysis and Investigation (PART 02)

Identifying 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…

Bharath Narayanasamy wireshark

Threat Detection and Incident Response

Wireshark 101 | Traffic Analysis and Investigation (PART 01)

Wireshark: 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…

Bharath Narayanasamy wireshark

DETECT RESPOND CyBER Tools

Endpoint Detection and Response (EDR) : Lima Charlie (Part 01)

Introduction to Endpoint Detection and Response (EDR) Endpoint Detection and Response (EDR) is a cybersecurity solution designed to detect, investigate, and respond to threats at the endpoint level. Endpoints include devices like laptops, desktops, servers, and…

Bharath Narayanasamy LIMA, EDR

DETECT PROTECT RESPOND

SNORT 101 (Part 03)

Snort Rules Each rule should have a type of action, protocol, source and destination IP, source and destination port and an option. Remember, Snort is in passive mode by default. So most of the time, we…

Bharath Narayanasamy snort

DETECT RESPOND

SNORT 101 (Part 02)

SNORT in IDS/IPS mode IDS/IPS mode with parameter "-A" There are several alert modes available in snort; console: Provides fast style alerts on the console screen. cmg: Provides basic header details with payload in hex and text format. full: Full…

Bharath Narayanasamy snort

Threat Detection and Incident Response Intrusion Detection and Response DETECT

Snort 101 (Part 01)

Intrusion Detection System (IDS) IDS is a passive monitoring solution for detecting possible malicious activities/patterns, abnormal incidents, and policy violations. It is responsible for generating alerts for each suspicious event. There are two main types of IDS systems; Network…

Bharath Narayanasamy snort, ids, ips