Courses 🛡 How Wireshark and SIEM Work Together ❓🦈

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🛡 How Wireshark and SIEM Work Together ​

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Understanding how Wireshark and SIEM systems complement each other can level up your network defense and incident response capabilities. Here’s a practical breakdown of how packet-level visibility from Wireshark integrates with high-level event correlation in a SIEM.

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Data Collection & Analysis

• Wireshark:
  • Captures raw network traffic in real-time.
  • Dissects protocols (HTTP, DNS, TCP, etc.).
  • Reveals suspicious behaviors:
    - DDoS: repeated SYN packets from multiple sources.
    - ARP Spoofing: unexpected ARP replies with spoofed MACs.
    - Data leaks: credentials over unencrypted HTTP.
• SIEM:
  • Aggregates logs from servers, firewalls, antivirus, IDS/IPS, etc.
  • Correlates events to detect threats like:
    - Brute-force logins
    - Malware activity
    - Insider threats

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Send Wireshark Data to SIEM

• 🗂 Export PCAP Files:
  Save your capture and import into the SIEM for analysis.
  
  

  File > Export Specified Packets

• Send Syslog from Wireshark:
  Some setups can forward filtered traffic via Syslog using plugins or external scripts.
• Integration with IDS/IPS:
  Many SIEMs ingest data from Suricata or Zeek (both can parse PCAPs exported from Wireshark).

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Improve Threat Detection via Correlation

• SIEM uses data from Wireshark to build more accurate correlation rules.
• Combine packet data with other logs (like failed login attempts) to detect:
  - C2 traffic
  - Phishing attempts
  - Data exfiltration

Example:

• Wireshark: detects oddly encrypted packets to an unknown external IP.
• SIEM: correlates with a firewall log showing a blocked outbound connection.
• Result: Alert triggered for possible data exfiltration.

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Real-World Integration Scenarios

• DDoS Detection
  • Wireshark: SYN flood visible in real-time.
  • SIEM: Correlates event, sends alert, triggers automated response.
• Password Leak Detection
  • Wireshark: Captures login credentials sent in plaintext.
  • SIEM: Raises alert, triggers immediate connection kill or user lockout.

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Short Summary

• ⏺ Wireshark = A microscope to observe network packets in fine detail.
• ⏺ SIEM = A central hub to collect, correlate and act on security events.
• Combined:
  - Faster threat detection
  - Automated incident response

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Join the Discussion
Have you integrated Wireshark with your SIEM? What workflows or tools do you use to get the most out of packet captures in your detection pipeline?

Let the Hack Tools Dark Community know!