Network Security and Intrusion Detection

  1. Evasion Techniques and Countermeasures
    1. Attacker Evasion Strategies
      1. Evasion Motivation
        1. Common Evasion Vectors
          1. Evasion Technique Evolution
            1. Advanced Persistent Threat Evasion
            2. Traffic Manipulation Techniques
              1. Traffic Fragmentation
                1. IP Fragmentation
                  1. Fragment Overlap Attacks
                    1. Tiny Fragment Attacks
                      1. Fragment Reassembly Issues
                      2. TCP Segmentation
                        1. Small Segment Attacks
                          1. Out-of-order Segments
                            1. Segment Overlap
                          2. Protocol Manipulation
                            1. Protocol Field Manipulation
                              1. Invalid Protocol Usage
                                1. Protocol Tunneling
                                  1. Covert Channels
                                  2. Timing-based Evasion
                                    1. Low-and-Slow Attacks
                                      1. Slowloris Attacks
                                        1. Slow POST Attacks
                                          1. Slow Read Attacks
                                          2. Traffic Pacing
                                            1. Distributed Timing
                                          3. Payload Obfuscation
                                            1. Encoding Techniques
                                              1. Base64 Encoding
                                                1. URL Encoding
                                                  1. Unicode Encoding
                                                    1. Custom Encoding Schemes
                                                    2. Encryption and Cryptography
                                                      1. Payload Encryption
                                                        1. Steganography
                                                          1. Cryptographic Tunneling
                                                          2. Polymorphic Techniques
                                                            1. Code Polymorphism
                                                              1. Signature Mutation
                                                                1. Dynamic Code Generation
                                                                2. Metamorphic Techniques
                                                                  1. Code Rewriting
                                                                    1. Instruction Substitution
                                                                      1. Control Flow Obfuscation
                                                                    2. Advanced Evasion Techniques
                                                                      1. Anti-Forensic Methods
                                                                        1. Log Manipulation
                                                                          1. Evidence Destruction
                                                                            1. Timestamp Modification
                                                                              1. File System Manipulation
                                                                              2. Rootkit Technologies
                                                                                1. Kernel-level Rootkits
                                                                                  1. User-mode Rootkits
                                                                                    1. Bootkit Technologies
                                                                                      1. Hypervisor Rootkits
                                                                                      2. Living-off-the-Land Techniques
                                                                                        1. Legitimate Tool Abuse
                                                                                          1. PowerShell Attacks
                                                                                            1. WMI Abuse
                                                                                              1. Fileless Attacks
                                                                                              2. AI-powered Evasion
                                                                                                1. Machine Learning Evasion
                                                                                                  1. Adversarial Examples
                                                                                                    1. Generative Adversarial Networks
                                                                                                  2. Countermeasures and Hardening
                                                                                                    1. Traffic Normalization
                                                                                                      1. Fragment Reassembly
                                                                                                        1. Reassembly Policies
                                                                                                          1. Timeout Handling
                                                                                                            1. Memory Management
                                                                                                            2. Protocol Normalization
                                                                                                              1. Field Validation
                                                                                                                1. State Normalization
                                                                                                                  1. Content Standardization
                                                                                                                2. Advanced Detection Techniques
                                                                                                                  1. Heuristic Analysis
                                                                                                                    1. Behavioral Heuristics
                                                                                                                      1. Statistical Heuristics
                                                                                                                        1. Rule-based Heuristics
                                                                                                                        2. Sandboxing
                                                                                                                          1. Dynamic Analysis
                                                                                                                            1. Isolated Execution
                                                                                                                              1. Behavioral Monitoring
                                                                                                                              2. Emulation and Virtualization
                                                                                                                                1. Code Emulation
                                                                                                                                  1. Virtual Environments
                                                                                                                                    1. Honeypot Integration
                                                                                                                                  2. System Hardening
                                                                                                                                    1. Configuration Management
                                                                                                                                      1. Secure Configurations
                                                                                                                                        1. Baseline Enforcement
                                                                                                                                          1. Change Control
                                                                                                                                          2. Patch Management
                                                                                                                                            1. Vulnerability Assessment
                                                                                                                                              1. Patch Testing
                                                                                                                                                1. Deployment Strategies
                                                                                                                                                2. Access Control Hardening
                                                                                                                                                  1. Principle of Least Privilege
                                                                                                                                                    1. Role-based Access Control
                                                                                                                                                      1. Multi-factor Authentication
                                                                                                                                                    2. Detection System Optimization
                                                                                                                                                      1. Rule Tuning
                                                                                                                                                        1. False Positive Reduction
                                                                                                                                                          1. Performance Optimization
                                                                                                                                                            1. Custom Rule Development
                                                                                                                                                            2. Signature Enhancement
                                                                                                                                                              1. Multi-layer Signatures
                                                                                                                                                                1. Context-aware Rules
                                                                                                                                                                  1. Behavioral Signatures
                                                                                                                                                                  2. Correlation Enhancement
                                                                                                                                                                    1. Multi-source Correlation
                                                                                                                                                                      1. Temporal Correlation
                                                                                                                                                                        1. Geospatial Correlation

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                                                                                                                                                                  7. Detection Methodologies

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                                                                                                                                                                  9. Alert Management and Incident Response