analyzing-network-packets-with-scapy
Craft, send, sniff, and dissect network packets using Scapy for protocol analysis, network reconnaissance, and traffic anomaly detection in authorized security testing
Best use case
analyzing-network-packets-with-scapy is best used when you need a repeatable AI agent workflow instead of a one-off prompt.
Craft, send, sniff, and dissect network packets using Scapy for protocol analysis, network reconnaissance, and traffic anomaly detection in authorized security testing
Teams using analyzing-network-packets-with-scapy should expect a more consistent output, faster repeated execution, less prompt rewriting.
When to use this skill
- You want a reusable workflow that can be run more than once with consistent structure.
When not to use this skill
- You only need a quick one-off answer and do not need a reusable workflow.
- You cannot install or maintain the underlying files, dependencies, or repository context.
Installation
Claude Code / Cursor / Codex
Manual Installation
- Download SKILL.md from GitHub
- Place it in
.claude/skills/analyzing-network-packets-with-scapy/SKILL.mdinside your project - Restart your AI agent — it will auto-discover the skill
How analyzing-network-packets-with-scapy Compares
| Feature / Agent | analyzing-network-packets-with-scapy | Standard Approach |
|---|---|---|
| Platform Support | Not specified | Limited / Varies |
| Context Awareness | High | Baseline |
| Installation Complexity | Unknown | N/A |
Frequently Asked Questions
What does this skill do?
Craft, send, sniff, and dissect network packets using Scapy for protocol analysis, network reconnaissance, and traffic anomaly detection in authorized security testing
Where can I find the source code?
You can find the source code on GitHub using the link provided at the top of the page.
SKILL.md Source
# Analyzing Network Packets with Scapy ## Overview Scapy is a Python packet manipulation library that enables crafting, sending, sniffing, and dissecting network packets at granular protocol layers. This skill covers using Scapy for security-relevant tasks including TCP/UDP/ICMP packet crafting, pcap file analysis, protocol field extraction, SYN scan implementation, DNS query analysis, and detecting anomalous traffic patterns such as unusually fragmented packets or malformed headers. ## When to Use - When investigating security incidents that require analyzing network packets with scapy - When building detection rules or threat hunting queries for this domain - When SOC analysts need structured procedures for this analysis type - When validating security monitoring coverage for related attack techniques ## Prerequisites - Python 3.8+ with `scapy` library installed (`pip install scapy`) - Root/administrator privileges for raw socket operations (sniffing, sending) - Npcap (Windows) or libpcap (Linux) for packet capture - Authorization to perform packet operations on target network ## Steps 1. Read and parse pcap/pcapng files with `rdpcap()` for offline analysis 2. Extract protocol layers (IP, TCP, UDP, DNS, HTTP) and field values 3. Compute traffic statistics: top talkers, protocol distribution, port frequency 4. Detect SYN flood patterns by analyzing TCP flag ratios 5. Identify DNS exfiltration indicators via query length and entropy analysis 6. Craft custom probe packets for authorized network testing 7. Export findings as structured JSON report ## Expected Output JSON report containing packet statistics, protocol distribution, top source/destination IPs, detected anomalies (SYN floods, DNS tunneling indicators, fragmentation attacks), and per-flow summaries.