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John Hammond・40 minutes read

Wazuh is an open-source security platform combining SIEM and XDR functionalities, allowing for threat hunting, malware detection, vulnerability assessment, incident response, and compliance tracking. The platform integrates with Elastic Search, running on various operating systems such as Linux, Windows, Mac OS, and Solaris, and offers detailed insights on security events, vulnerabilities, and potential threats, with the ability to respond effectively to malicious activity by removing threats through custom scripts utilizing the VirusTotal API.

Insights

  • Wazuh is an open-source security platform that combines SIEM and XDR functionalities, allowing for threat hunting, malware detection, vulnerability assessment, incident response, and compliance tracking.
  • Wazuh integrates with Elastic Search and provides insights through dashboards on telemetry from agents, focusing on security for Windows workstations and Linux servers, with the ability to track vulnerabilities introduced by user actions and detect potential threats using the miter attack framework.

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Recent questions

  • What is Wazuh?

    Wazuh is an open-source security platform that combines SIEM and XDR functionalities, allowing for threat hunting, malware detection, vulnerability assessment, incident response, and compliance tracking.

  • How does Wazuh help with security?

    Wazuh provides insights and dashboards on Telemetry from agents, focusing on security for both Windows workstations and Linux servers, allowing for threat detection and response to security incidents.

  • What operating systems can Wazuh agents run on?

    Wazuh agents can run on various operating systems like Linux, Windows, Mac OS, and Solaris, providing flexibility in monitoring and securing different types of devices.

  • How can vulnerabilities be tracked in Wazuh?

    Wazuh can track vulnerabilities introduced by user actions on workstations, showcasing critical and high vulnerabilities that may require attention, providing detailed information on potential threats and attack techniques.

  • What integrations does Wazuh have for threat detection?

    Wazuh integrates with VirusTotal for real-time scanning and detection of malware, utilizing API keys for comprehensive threat detection, allowing for the creation of custom responses to events for effective threat response.

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Summary

00:00

Wazuh: Open-source Security Platform with XDR

  • Security Information Event Management platforms (SIEMs) centralize security information and events for management.
  • Endpoint Detection Response (EDR) tools detect and respond to security incidents.
  • Extended Detection Response (XDR) platforms incorporate Network Telemetry for enhanced security.
  • Wazuh is an open-source security platform combining SIEM and XDR functionalities.
  • Wazuh allows threat hunting, malware detection, vulnerability assessment, incident response, and compliance tracking.
  • Wazuh originated from the OSSEC project in 2015 and integrates with Elastic Search.
  • Wazuh consists of server components like the indexer, server, and dashboard, and agent components for managed devices.
  • Agents can run on various operating systems like Linux, Windows, Mac OS, and Solaris.
  • Setting up Wazuh involves downloading the installation assistant, running it on a 64-bit Linux system, and accessing the dashboard.
  • Adding agents to Wazuh involves copying commands from the dashboard to install and start the agent on client devices.

13:55

Insights on Telemetry and Security with Wza

  • Wza provides insights and dashboards on Telemetry from agents, with a focus on security for both Windows workstations and Linux servers.
  • The configuration files for Wza are located in the VAR OS SEC directory, owned by root, allowing for customization of settings and configurations.
  • The OS sec. comp file within the etet red directory serves as the configuration file for Wza, enabling adjustments for alerts, logging format, communication, and potential Integrations.
  • Enabling the vulnerability detector in Wza involves toggling a setting in the configuration file, followed by a system CTL restart for changes to take effect.
  • Wza can track vulnerabilities introduced by user actions on workstations, showcasing critical and high vulnerabilities that may require attention.
  • The security events tab in Wza provides detailed information on vulnerabilities, potential threats, and miter attack framework techniques used by adversaries.
  • Wza's open-source nature allows for cross-platform functionality, enabling the testing of miter attack framework techniques on Linux using tools like invoke Atomic red team.
  • The integration of VirusTotal with Wza's file Integrity monitoring module allows for real-time scanning and detection of malware, utilizing API keys for comprehensive threat detection.
  • Configuration of file Integrity monitoring in Wza involves modifying the osc.com file in the VAR OS SEC directory, specifying directories for scanning and setting attributes for real-time monitoring.
  • The creation of a bash script to interact with the VirusTotal API and remove threats on endpoints demonstrates Wza's capability to respond to malicious activity effectively.

27:52

Enhancing Threat Response with JQ Utility

  • Virus Total identifies malicious files, prompting the need for executable changes and agent restart.
  • Installation of JQ utility is required for responding to and removing threats.
  • JQ utility is placed in the VAR OS SEC active response bin directory after installation.
  • JQ provides functionality for custom responses to events, including denial at the firewall and user removal.
  • Configuration of Wasa server is necessary for proactive threat response.
  • Local rules are modified to track changes in the home user downloads directory for file integrity monitoring.
  • Virus Total API key is integrated into the server configuration for malware removal.
  • Server restart is essential after configuration changes for the integration to take effect.
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