Network Analysis

  1. Practical Application: Security Analysis
    1. Security Monitoring Framework
      1. Threat Landscape Assessment
        1. Current Threat Environment
          1. Organization-specific Threats
            1. Risk Assessment
            2. Security Monitoring Strategy
              1. Detection Objectives
                1. Monitoring Scope
                  1. Response Procedures
                2. Detecting Reconnaissance Activity
                  1. Network Scanning Detection
                    1. Port Scan Detection
                      1. TCP SYN Scans
                        1. TCP Connect Scans
                          1. TCP FIN Scans
                            1. TCP XMAS Scans
                              1. UDP Scans
                              2. Scan Pattern Analysis
                                1. Sequential Scanning
                                  1. Random Scanning
                                    1. Distributed Scanning
                                    2. Host Discovery Detection
                                      1. ICMP Sweeps
                                        1. ARP Scans
                                          1. TCP Ping Scans
                                        2. Vulnerability Assessment Detection
                                          1. Vulnerability Scanner Signatures
                                            1. Automated Tool Detection
                                              1. Manual Testing Detection
                                              2. Information Gathering Detection
                                                1. DNS Enumeration
                                                  1. SNMP Scanning
                                                2. Identifying Malicious Traffic
                                                  1. Malware Communication Analysis
                                                    1. Command and Control Beacons
                                                      1. Beaconing Patterns
                                                        1. Communication Intervals
                                                          1. Payload Analysis
                                                          2. Data Exfiltration Detection
                                                            1. Unusual Data Volumes
                                                              1. Suspicious Destinations
                                                                1. Encrypted Channels
                                                                2. Lateral Movement Detection
                                                                  1. Internal Scanning
                                                                    1. Credential Usage Patterns
                                                                      1. Administrative Tool Usage
                                                                    2. Attack Pattern Recognition
                                                                      1. Denial of Service Attacks
                                                                        1. Volume-based Attacks
                                                                          1. Protocol-based Attacks
                                                                            1. Application-layer Attacks
                                                                            2. Injection Attacks
                                                                              1. SQL Injection Patterns
                                                                                1. Command Injection Patterns
                                                                                  1. Script Injection Patterns
                                                                                  2. Man-in-the-Middle Attacks
                                                                                    1. ARP Spoofing Detection
                                                                                      1. DNS Spoofing Detection
                                                                                        1. Certificate Anomalies
                                                                                      2. Anomaly Detection
                                                                                        1. Behavioral Analysis
                                                                                          1. User Behavior Patterns
                                                                                            1. Application Behavior Patterns
                                                                                              1. Network Behavior Patterns
                                                                                              2. Statistical Analysis
                                                                                                1. Traffic Volume Anomalies
                                                                                                  1. Protocol Distribution Anomalies
                                                                                                    1. Timing Anomalies
                                                                                                2. Network Forensics
                                                                                                  1. Evidence Collection
                                                                                                    1. Packet Capture Procedures
                                                                                                      1. Chain of Custody
                                                                                                        1. Data Integrity
                                                                                                        2. Log Collection
                                                                                                          1. System Logs
                                                                                                            1. Application Logs
                                                                                                              1. Network Device Logs
                                                                                                            2. Timeline Reconstruction
                                                                                                              1. Event Correlation
                                                                                                                1. Time Synchronization
                                                                                                                  1. Event Sequencing
                                                                                                                    1. Causal Relationships
                                                                                                                    2. Attack Timeline Development
                                                                                                                      1. Initial Compromise
                                                                                                                        1. Lateral Movement
                                                                                                                          1. Data Exfiltration
                                                                                                                            1. Cleanup Activities
                                                                                                                          2. Digital Evidence Analysis
                                                                                                                            1. File Extraction from Traffic
                                                                                                                              1. HTTP File Downloads
                                                                                                                                1. FTP Transfers
                                                                                                                                  1. Email Attachments
                                                                                                                                  2. Communication Analysis
                                                                                                                                    1. Email Communications
                                                                                                                                      1. Instant Messaging
                                                                                                                                        1. Voice Communications
                                                                                                                                        2. Artifact Recovery
                                                                                                                                          1. Deleted File Recovery
                                                                                                                                            1. Registry Analysis
                                                                                                                                              1. Memory Analysis

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                                                                                                                                        8. Practical Application: Performance Optimization

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                                                                                                                                        10. Advanced Topics in Network Analysis