Bharath Narayanasamy

Operationalizing Security: CALDERA Meets WAZUH (PART I)

CALDERA™ is an open-source framework designed to run autonomous adversary emulation exercises efficiently. It enables users to emulate real-world attack scenarios and assess the effectiveness of their security defences. In addition, it provides a modular environment for…

Bharath Narayanasamy caldera, red-team

CyBER Tools

(TryHackMe) Servidae: Log Analysis in ELK

Link to the TryHackMe Room; https://tryhackme.com/r/room/servidae Room Objectives: Get familiar with the Elastic (ELK) Stack and its components. Understand the significance of log data analysis in detecting and investigating security incidents. Get introduced to Kibana and its key…

Bharath Narayanasamy SIEM, THM, ELK

Threat Hunting SOC Analyst Threat Detection and Incident Response

Threat Detection Engineering

Threat Detection Engineering (TDE) involves designing, implementing, and refining security measures to identify and respond to threats. Here are some key topics and domains covered under TDE: Threat Intelligence: Gathering, analyzing, and applying information about current…

Bharath Narayanasamy THreat, TDE

CyBER Tools

Log Analysis: Basics

Understanding Logs in Infrastructure Systems Logs and Their Role Logs are time-sequenced messages recording events within a system, device, or application. Essential for insights into the inner workings of infrastructure systems, offering visibility into applications, networks,…

Bharath Narayanasamy

Splunk CyBER Tools

Splunk SIEM: Exploring SPL

Splunk Search & Reporting App Overview The Search & Reporting App is the primary interface on Splunk's Home page used for searching and analyzing data. This app provides several essential functionalities to enhance the search experience…

Bharath Narayanasamy splunk, SIEM

CyBER Tools

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

Step-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,…

Bharath Narayanasamy Threat Intel, MISP

CyBER Tools

Useful Windows Event IDs

Windows System Logs Event ID 1074 (System Shutdown/Restart): This event log indicates when and why the system was shut down or restarted. By monitoring these events, you can determine if there are unexpected shutdowns or restarts, potentially…

Bharath Narayanasamy event-ids, threat_detection

DETECT SOC Analyst BLUE TEAM

Yara

"The pattern matching swiss knife for malware researchers (and everyone else)" Useful Yara Resources Various Github repositories provide a wealth of examples of YARA, https://github.com/Yara-Rules/rules/tree/master/malware https://github.com/mikesxrs/Open-Source-YARA-rules/tree/masterUseful Yara Rules Repositories The DFIR Report” shares YARA rules derived from…

Bharath Narayanasamy SOC, yara

WebPentest Web Enumeration RED TEAM

Web Attacks

Enumeration & Brute Force Authentication enumeration is a fundamental aspect of security testing, concentrating specifically on the mechanisms that protect sensitive aspects of web applications; this process involves methodically inspecting various authentication components ranging from username…

Bharath Narayanasamy web-enum

INFOSEC Governance and Regulation NIST

NIST Cybersecurity Framework (CSF) and ISO/IEC 27001

NIST Cybersecurity Framework (CSF) and ISO/IEC 27001 NIST CSF Functions and Categories to ISO/IEC 27001 Annex A Controls Identify (ID) Asset Management (ID.AM): A.8 (Asset Management) Business Environment (ID.BE): A.5 (Information Security Policies) Governance (ID.GV): A.6…

Bharath Narayanasamy 27001, NIST