Network Forensics Threat Hunting Wireshark TShark Packet Analysis TCP/IP Malware C2 SOC Incident Response. Enroll Now.
β±οΈ Length: 7.2 total hours
β 3.67/5 rating
π₯ 3,036 students
π November 2025 update
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- Course Overview
- Transitioning from a passive observer to an active investigator by adopting the adversarial mindset necessary to spot deviations in standard network behavior.
- Bridging the gap between Security Operations Center (SOC) monitoring and deep-dive digital forensic science through methodical packet inspection.
- Exploring the micro-anatomy of network traffic to uncover how sophisticated threat actors manipulate packet headers to bypass traditional perimeter defenses.
- Mastering the art of traffic baselining to establish a “known good” environment, making even the most subtle anomalies stand out during a hunt.
- Developing a systematic approach to post-incident post-mortems, ensuring every byte of data is accounted for in the aftermath of a security breach.
- Understanding the lifecycle of a packet from the application layer down to the physical wire, and how each stage can be exploited for data leakage.
- Evaluating network telemetry from a forensic perspective to differentiate between misconfigured services and intentional malicious interference.
- Implementing proactive hunting methodologies that rely on behavioral heuristics rather than static, easily bypassed signature-based alerts.
- Requirements / Prerequisites
- A foundational understanding of the OSI Model and the specific functions of each layer during a standard network handshake.
- Basic familiarity with command-line interfaces (CLI), particularly within Linux environments, to facilitate the use of terminal-based analysis utilities.
- Access to a virtualization platform (such as VMware, VirtualBox, or Proxmox) to safely host and analyze potentially infectious packet captures.
- An introductory level of knowledge regarding common cyber-attack vectors, such as Phishing, Man-in-the-Middle (MITM), and Denial of Service (DoS).
- The ability to conceptualize binary and hexadecimal data representations, as these are frequently encountered during deep packet inspection and payload carving.
- Previous exposure to networking hardware concepts, including the roles of switches, routers, and firewalls in generating traffic logs.
- Skills Covered / Tools Used
- Utilizing Mergecap and Editcap to consolidate multiple capture files and trim unnecessary data for more streamlined forensic investigations.
- Implementing GeoIP mapping to visualize the geographic distribution of traffic and identify unauthorized connections to high-risk regions.
- Leveraging SSL/TLS Decryption techniques by importing RSA keys or session secrets to inspect encrypted application-layer content safely.
- Customizing LUA dissectors to interpret proprietary or non-standard protocols that are often used by custom malware for internal communication.
- Integrating Nmap scan results with packet captures to correlate active scanning attempts with subsequent exploitation phases.
- Employing CapLoader and NetworkMiner as supplementary tools to provide an object-oriented view of host artifacts and file transfers.
- Managing Large-Scale PCAP storage strategies, ensuring that forensic evidence is indexed and searchable across terabytes of captured data.
- Advanced usage of Expert Info fields to rapidly diagnose TCP retransmissions, zero-window events, and other signs of network stress or manipulation.
- Benefits / Outcomes
- Achieving a drastic reduction in Mean Time to Detection (MTTD) by identifying malicious lateral movement before it reaches sensitive data silos.
- Generating court-admissible forensic reports that document the technical “who, what, when, and how” of a network intrusion event.
- Enhancing organizational resilience by providing actionable intelligence that can be used to harden firewall rules and intrusion prevention signatures.
- Developing the expertise required to act as a Lead Incident Responder during high-pressure scenarios involving sophisticated Advanced Persistent Threats (APTs).
- Validating Security Information and Event Management (SIEM) alerts with ground-truth packet data to eliminate costly false positives.
- Strengthening the evidence chain of custody by applying cryptographic hashing to capture files at the moment of acquisition.
- Preparing for industry-standard certifications such as the Wireshark Certified Network Analyst (WCNA) or GIAC Network Forensic Analyst (GNFA).
- Gaining the confidence to perform live-wire triage in production environments without disrupting critical business operations or service availability.
- PROS
- Focuses on real-world packet captures from actual historical breaches rather than simplified, theoretical lab simulations.
- Provides a vendor-neutral perspective on network security, ensuring the skills are applicable across any enterprise infrastructure.
- Directly correlates packet-level artifacts with the MITRE ATT&CK framework for better strategic alignment with modern security standards.
- Offers scalable techniques that work equally well for small office networks and massive, multi-national data center environments.
- CONS
- The intensive technical depth of the material may require significant self-study and repetition for those not already comfortable with low-level networking.
Learning Tracks: English,IT & Software,Network & Security
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