Course 6 - Network Traffic Analysis for Incident Response | Episode 3: Wireshark Alternatives: Network Miner, Terminal Shark, and CloudShark

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CyberCode Academy

62 episodes

1 day ago

Welcome to CyberCode Academy — your audio classroom for Programming and Cybersecurity.
🎧 Each course is divided into a series of short, focused episodes that take you from beginner to advanced level — one lesson at a time.
From Python and web development to ethical hacking and digital defense, our content transforms complex concepts into simple, engaging audio learning.
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Course 6 - Network Traffic Analysis for Incident Response | Episode 3: Wireshark Alternatives: Network Miner, Terminal Shark, and CloudShark

CyberCode Academy

10 minutes

1 week ago

Course 6 - Network Traffic Analysis for Incident Response | Episode 3: Wireshark Alternatives: Network Miner, Terminal Shark, and CloudShark

In this lesson, you’ll learn about:

Three powerful alternatives to Wireshark that expand your capabilities in network traffic analysis.
How to use Network Miner for passive intelligence, T-shark for automation, and CloudShark for collaborative, web-based analysis.
When and why each tool is more effective than Wireshark in specific scenarios.

Network Miner — Passive Data Collection & File Extraction

Purpose: A passive network forensics tool excellent for extracting intelligence without actively interfering with traffic.

Key Capabilities

Host Intelligence (Auto-Recon):
- Automatically breaks traffic down by host.
- Extracts IP/MAC, hostnames, OS fingerprints (e.g., Red Hat Linux), NIC vendor, open TCP ports, and even web server banners (e.g., Apache 2.0.40).
- Provides a detailed, Nmap-like overview without performing any active scans.
Data Extraction (File Carving):
- Automatically pulls files transmitted during the capture (images, documents, etc.).
- Makes recovery of transferred files extremely easy.
Credential Extraction:
- Effective at pulling credentials from clear-text protocols like:
  - SMTP (usernames and passwords when TLS is not used)
  - HTTP cookies (considered credentials because they allow authentication)
Traffic Review Tools:
- Lists DNS queries for browsing activity.
- Breaks HTTP and SMTP header fields into searchable tables for instant lookup (e.g., search by user agent).

Terminal Shark (T-shark) — Command-Line Automation

Purpose: A command-line version of Wireshark designed for automation, scripting, and large-scale analysis.

Key Capabilities

Same Power as Wireshark, but CLI-Based:
- Uses the same filtering language as Wireshark (e.g., http.request, tcp.port == 80).
- Ideal for environments without a GUI or for remote analysis over SSH.
Automation & Integration:
- Perfect for batch processing, cron jobs, or running inside scripts.
- Output can be piped into other tools for threat intel or blacklist checks.
Custom Output:
- Extract specific fields only (e.g., HTTP hostnames, source IPs).
- Reduces noise and makes threat hunting more efficient.
Simple Threat Detection:
- Analysts can filter important fields and check them against malicious blocklists.
- Enables lightweight, fast, automated detection workflows.

CloudShark — Web-Based Visualization & Collaboration

Purpose: A browser-based network analysis platform similar to Wireshark, designed for team collaboration.

Key Capabilities

Collaborative Interface:
- Apply filters just like in Wireshark.
- Add comments/annotations directly to packets for team-based investigations.
Advanced Visualization Tools:
- Traffic-over-time graph: Helps analysts zoom into sudden spikes or suspicious bursts.
- Ladder diagrams: Show packet flow between hosts — extremely useful for understanding sequences like handshakes or attack chains.
- Bytes-over-time visualization: Helps detect anomalies such as large outbound data spikes (e.g., from SQL injection exfiltration).
Interoperability:
- Upload PCAPs to CloudShark for analysis.
- Download them again (with or without comments) to continue work in Wireshark.
- Works as a complementary tool rather than a replacement.

Key...