BLUE TEAM

Splunk: SPL Cheat Sheet for SOC Analysts

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Views: 24Splunk 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

Risk Management – Terminology

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Views: 8Risk Avoidance Risk Acceptance Risk Reduction Basic Terminology Threat A threat is a potential harm or danger to an individual, organisation, or system. Threats can be classified into three main categories: human-made, technical, or natural. Human-made threats: These threats are caused by human activities or interventions. Examples include: As can be seen, human-made threats are not limited to … Read more

Suricata rules to detect Web application attacks

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Views: 43Here are some examples of Suricata rules that can be used to detect web application attacks: 1. SQL Injection: 2. Cross-Site Scripting (XSS): 3. Remote File Inclusion (RFI): 4. Local File Inclusion (LFI): 5. Command Injection: 6. Server-Side Request Forgery (SSRF): These are just a few examples, and you can modify or create additional … Read more

DNS Tunneling attacks

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Views: 19DNS tunneling is a technique used by attackers to bypass network security measures and exfiltrate data from a targeted network. It involves encapsulating unauthorized data within DNS (Domain Name System) queries or responses, allowing the attacker to transmit information through DNS channels. Here is a simplified diagram illustrating the DNS tunneling attack: Here’s an … Read more