analyzing-network-traffic-for-incidents

Detect adversary activity in PCAPs, Zeek logs, and IDS alerts.

Updated Apr 23, 2026
One-click install
npx skills add https://github.com/YukiIto1999/ctf-sleuth --skill analyzing-network-traffic-for-incidents
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: analyzing-network-traffic-for-incidents
Source: https://github.com/YukiIto1999/ctf-sleuth/tree/main/.claude/skills/analyzing-network-traffic-for-incidents
Command: npx skills add https://github.com/YukiIto1999/ctf-sleuth --skill analyzing-network-traffic-for-incidents

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires scapy, and includes scripts (resource) and references (resource) components.

What problem does it solve?

Network traffic analysis often requires domain expertise to derive incidents from raw PCAPs and logs; this Skill provides an automated, repeatable approach to identify adversary activity during security incidents.

Core Features & Use Cases

  • Detect beaconing patterns and data exfiltration from PCAPs
  • Identify lateral movement indicators across internal hosts using common protocols
  • Correlate Zeek/IDS data to produce a structured incident report for IR teams

Quick Start

Run the network incident analysis against a PCAP file to generate a concise incident report.

Frequently Asked Questions about analyzing-network-traffic-for-incidents

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I detect beaconing and data exfiltration from PCAP files during an incident response?

To detect beaconing and data exfiltration from PCAP files, you analyze network traffic using an automated Python agent that extracts indicators and identifies adversary activity. This approach correlates Zeek logs and IDS alerts to pinpoint malicious patterns.

Can I identify lateral movement across internal hosts using Zeek logs and PCAP data?

Yes, you can identify lateral movement across internal hosts by analyzing PCAP data and Zeek logs. The automated process extracts indicators of lateral movement using common protocols to highlight suspicious internal host communications.

What is the best way to generate a structured incident report from network traffic analysis?

The best way to generate a structured incident report from network traffic analysis is to run an automated Python agent against PCAP files. It correlates Zeek and IDS data to produce a concise report detailing adversary activity for IR teams.

Do I need Wireshark or Suricata installed to analyze network traffic for security incidents?

You need standard tooling like Wireshark/tshark, Zeek, and Suricata to analyze network traffic for security incidents. The Skill relies on these tools alongside a Python agent and the scapy dependency to process PCAPs and extract indicators.

Does this network forensics approach work with IDS alerts and enterprise network traffic?

Yes, this network forensics approach works with IDS alerts and enterprise network traffic. It correlates IDS data and Zeek logs from enterprise networks to detect adversary activity, applicable to threat hunting and forensic investigations.

How does the automated Python agent extract beacons and lateral movement indicators from PCAPs?

The automated Python agent extracts beacons and lateral movement indicators from PCAPs by parsing raw network traffic and correlating it with Zeek logs. It identifies adversary activity patterns to build a structured incident report.