Network Traffic Monitoring and Analysis

7.

Network Security and Forensics

7.1.

Threat Detection

7.1.1.

Malware Communication Detection

7.1.1.1.

Command and Control Patterns

7.1.1.1.1.

C2 Server Communication

7.1.1.1.2.

Beaconing Behavior

7.1.1.1.3.

Data Exfiltration Patterns

7.1.1.2.

Malware Traffic Analysis

7.1.1.2.1.

Traffic Signatures

7.1.1.2.2.

Communication Protocols

7.1.1.2.3.

Encryption Usage

7.1.2.

Scanning and Reconnaissance Detection

7.1.2.1.

Port Scanning Detection

7.1.2.1.1.

7.1.2.1.2.

7.1.2.1.3.

Target Analysis

7.1.2.2.

Network Mapping Detection

7.1.2.2.1.

Discovery Techniques

7.1.2.2.2.

Enumeration Activities

7.1.2.2.3.

Vulnerability Scanning

7.1.3.

Denial-of-Service Attack Detection

7.1.3.1.

Volume-Based Attacks

7.1.3.1.1.

Traffic Volume Analysis

7.1.3.1.2.

Bandwidth Consumption

7.1.3.1.3.

Packet Rate Analysis

7.1.3.2.

Application-Layer Attacks

7.1.3.2.1.

HTTP Flood Attacks

7.1.3.2.2.

Slowloris Attacks

7.1.3.2.3.

Application-Specific DoS

7.1.4.

Unauthorized Access Detection

7.1.4.1.

Lateral Movement Detection

7.1.4.1.1.

Internal Reconnaissance

7.1.4.1.2.

Credential Usage

7.1.4.1.3.

Privilege Escalation

7.1.4.2.

Insider Threat Detection

7.1.4.2.1.

Unusual Access Patterns

7.1.4.2.2.

Data Access Anomalies

7.1.4.2.3.

Policy Violations

7.2.

Security Policy Verification

7.2.1.

Policy Violation Detection

7.2.1.1.

Unauthorized Access Attempts

7.2.1.1.1.

Failed Authentication

7.2.1.1.2.

Access Control Violations

7.2.1.1.3.

Time-Based Violations

7.2.1.2.

Data Loss Prevention

7.2.1.2.1.

Sensitive Data Transfer

7.2.1.2.2.

Unauthorized Destinations

7.2.1.2.3.

Encryption Violations

7.2.2.

Firewall Rule Effectiveness

7.2.2.1.

Rule Hit Analysis

7.2.2.1.1.

Rule Usage Statistics

7.2.2.1.2.

7.2.2.1.3.

Rule Optimization

7.2.2.2.

Policy Compliance

7.2.2.2.1.

Rule Violations

7.2.2.2.2.

Exception Handling

7.2.2.2.3.

Audit Requirements

7.2.3.

Application and Protocol Monitoring

7.2.3.1.

Unauthorized Applications

7.2.3.1.1.

Application Discovery

7.2.3.1.2.

Shadow IT Detection

7.2.3.1.3.

Policy Enforcement

7.2.3.2.

Protocol Violations

7.2.3.2.1.

Unauthorized Protocols

7.2.3.2.2.

Protocol Misuse

7.2.3.2.3.

Tunneling Detection

7.3.

Incident Response

7.3.1.

Breach Impact Assessment

7.3.1.1.

Affected Systems Identification

7.3.1.1.1.

Compromised Hosts

7.3.1.1.2.

7.3.1.1.3.

7.3.1.2.

Timeline Reconstruction

7.3.1.2.1.

Attack Timeline

7.3.1.2.2.

Event Correlation

7.3.1.2.3.

Evidence Collection

7.3.2.

Compromised Host Identification

7.3.2.1.

Host-Based Indicators

7.3.2.1.1.

Unusual Network Activity

7.3.2.1.2.

Malware Communications

7.3.2.1.3.

Data Exfiltration

7.3.2.2.

Behavioral Analysis

7.3.2.2.1.

Normal vs. Abnormal Behavior

7.3.2.2.2.

User Activity Analysis

7.3.2.2.3.

System Activity Analysis

7.3.3.

Attack Path Analysis

7.3.3.1.

Entry Point Identification

7.3.3.1.1.

Initial Compromise

7.3.3.1.2.

7.3.3.1.3.

Vulnerability Exploitation

7.3.3.2.

Lateral Movement Tracking

7.3.3.2.1.

Internal Propagation

7.3.3.2.2.

Credential Harvesting

7.3.3.2.3.

Privilege Escalation

7.4.

Network Forensics

7.4.1.

Event Reconstruction

7.4.1.1.

Session Reconstruction

7.4.1.1.1.

TCP Session Assembly

7.4.1.1.2.

Application Layer Reconstruction

7.4.1.1.3.

File Reconstruction

7.4.1.2.

Timeline Analysis

7.4.1.2.1.

Event Sequencing

7.4.1.2.2.

Temporal Correlation

7.4.1.2.3.

Causality Analysis

7.4.2.

Digital Evidence Extraction

7.4.2.1.

File Carving Techniques

7.4.2.1.1.

File Header Analysis

7.4.2.1.2.

File Signature Matching

7.4.2.1.3.

Fragmented File Recovery

7.4.2.2.

Artifact Extraction

7.4.2.2.1.

Network Artifacts

7.4.2.2.2.

Application Artifacts

7.4.2.2.3.

System Artifacts

7.4.3.

Legal and Compliance Considerations

7.4.3.1.

Chain of Custody

7.4.3.1.1.

Evidence Handling

7.4.3.1.2.

Documentation Requirements

7.4.3.1.3.

Legal Admissibility

7.4.3.2.

Privacy Considerations

7.4.3.2.1.

Data Protection

7.4.3.2.2.

Regulatory Compliance

7.4.3.2.3.

Ethical Guidelines

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8. Advanced Topics in Traffic Analysis