Wireshark 101 | Traffic Analysis and Investigation (PART 04)

This entry is part 18 of 18 in the series Incident Response and Forensics

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

Wireshark 101 | Traffic Analysis and Investigation (PART 03)

This entry is part 17 of 18 in the series Incident Response and Forensics

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

Wireshark 101 | Traffic Analysis and Investigation (PART 02)

This entry is part 15 of 18 in the series Incident Response and Forensics

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

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

This entry is part 1 of 1 in the series Endpoint Detection and Response (EDR)

Views: 7Introduction 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 mobile devices that connect to an organization’s network. These are often the primary targets for attackers, making them … Read more

SNORT 101 (Part 03)

This entry is part 13 of 4 in the series Instrusion Detection and Prevention

Views: 9Snort 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 will use Snort as an IDS. We will need to start “inline mode” to turn on IPS mode.  The Snort rule structure … Read more

SNORT 101 (Part 02)

This entry is part 14 of 4 in the series Instrusion Detection and Prevention

Views: 0SNORT in IDS/IPS mode IDS/IPS mode with parameter “-A” There are several alert modes available in snort; Only the “console” and “cmg” parameters provide alert information in the console. It is impossible to identify the difference between the rest of the alert modes via terminal. Differences can be identified by looking at generated logs.  IDS/IPS mode with parameter “-A console” … Read more

Snort 101 (Part 01)

This entry is part 2 of 4 in the series Instrusion Detection and Prevention

Views: 28Intrusion 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; Intrusion Prevention System (IPS) IPS is an active protecting solution for preventing possible malicious activities/patterns, abnormal incidents, and policy violations. … Read more

Operationalizing Security: CALDERA Meets WAZUH (PART II)

This entry is part 2 of 5 in the series Wazuh - SIEM and XDR

Views: 90Adversary emulation with Caldera and Wazuh Please visit here to read PART I of this series, which explains the Caldera setup and Windows agent installation. Agent setup Deploy Agents on Linux machines Now, the lab consists of 2 Windows victims and 1 Linux victim, as reported by Caldera below. Configure Sysmon on Windows victims … Read more

Log Analysis: Basics

This entry is part 18 of 21 in the series Threat Detection Engineering

Views: 40Understanding Logs in Infrastructure Systems Logs and Their Role Log Analysis What Are Logs? Definition Log Entry Components Sample Log Analysis Importance of Logs 1. System Troubleshooting 2. Cybersecurity Incident Response 3. Threat Hunting 4. Compliance Types of Logs in Computing Environments Integrative Analysis Data Visualization Data visualization tools, such as Kibana (of the … Read more

Threat Intelligence with MISP: Part 1 – Setting up MISP with Docker

This entry is part 16 of 21 in the series Threat Detection Engineering

Views: 99Step-by-Step Guide to Install MISP Using Docker on Ubuntu In this guide, we will walk through the steps to install the MISP (Malware Information Sharing Platform) using Docker on an Ubuntu server. Prerequisites Before we begin, make sure your system meets the following requirements: Step 1: Update Your Server and Install Docker First, ensure … Read more