Splunk

Splunk SIEM: Search Processing Language (SPL) Basics

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This entry is part 10 of 23 in the series Threat Detection Engineering

Views: 67Splunk Search Processing Language comprises of multiple functions, operators and commands that are used together to form a simple to complex search and get the desired results from the ingested logs. Main components of SPL Search Field Operators Comparison Operators These operators are used to compare the values against the fields. Field Name Operator … Read more

 Ship OPNSense Firewall Logs To Splunk SIEM

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Views: 23Shipping OPNsense firewall logs to Splunk centralizes log management, allowing for seamless consolidation with other network and system logs. This integration enhances visibility into network traffic, enabling the identification of threats like port scans, malware communication, or brute force attacks. By correlating OPNsense logs with logs from other sources, organizations can perform faster root … Read more

Log Analysis: Basics

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This entry is part 20 of 23 in the series Threat Detection Engineering

Views: 39Understanding 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

Splunk SIEM: Exploring SPL

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This entry is part 19 of 23 in the series Threat Detection Engineering

Views: 8Splunk 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 for analysts. Search & Reporting App is the default interface used to search and analyze the data on the Splunk Home … Read more

Splunk: SPL Cheat Sheet for SOC Analysts

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Views: 32Splunk Cheat Sheet Query to identify failed login attempts: Query to identify privilege escalation attempts: Query to identify failed SSH attempts: Query to identify successful SSH attempts: Query to identify unusual network traffic: Query to identify suspicious processes: Query to identify brute force attacks: Query to identify privilege escalation attempts on Windows systems: Query … Read more

Splunk Fundamentals

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This entry is part 6 of 13 in the series Incident Response and Forensics

Views: 14Splunk Components Splunk Forwarder Splunk Forwarder is a lightweight agent installed on the endpoint intended to be monitored, and its main task is to collect the data and send it to the Splunk instance. Splunk Indexer Splunk Indexer plays the main role in processing the data it receives from forwarders. It takes the data, normalizes … Read more