Threat Detection
alirezarezvani/claude-skills
A skill your agent uses when hunting for threats in an environment, analyzing IOCs, or detecting behavioral anomalies in telemetry.
Agent skill
Analyzing Network Packets With Scapy
Use Scapy to craft, send, sniff, and dissect TCP/UDP/ICMP/DNS packets, analyze pcap files, implement SYN scans, and detect anomalous traffic such as fragmented or malformed packets.
Install Analyzing Network Packets With Scapy
$ npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill analyzing-network-packets-with-scapy -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install mukul975/Anthropic-Cybersecurity-Skills analyzing-network-packets-with-scapy --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/analyzing-network-packets-with-scapy .claude/skills/analyzing-network-packets-with-scapy && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "analyzing-network-packets-with-scapy" agent skill from https://github.com/mukul975/Anthropic-Cybersecurity-Skills/tree/main/skills/analyzing-network-packets-with-scapy into .claude/skills/analyzing-network-packets-with-scapy/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "analyzing-network-packets-with-scapy", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/mukul975/Anthropic-Cybersecurity-Skills/tree/main/skills/analyzing-network-packets-with-scapyType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill analyzing-network-packets-with-scapy -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install mukul975/Anthropic-Cybersecurity-Skills analyzing-network-packets-with-scapy --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/analyzing-network-packets-with-scapy .agents/skills/analyzing-network-packets-with-scapy && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "analyzing-network-packets-with-scapy" agent skill from https://github.com/mukul975/Anthropic-Cybersecurity-Skills/tree/main/skills/analyzing-network-packets-with-scapy into .agents/skills/analyzing-network-packets-with-scapy/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "analyzing-network-packets-with-scapy", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill analyzing-network-packets-with-scapy -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install mukul975/Anthropic-Cybersecurity-Skills analyzing-network-packets-with-scapy --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/analyzing-network-packets-with-scapy .cursor/skills/analyzing-network-packets-with-scapy && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "analyzing-network-packets-with-scapy" agent skill from https://github.com/mukul975/Anthropic-Cybersecurity-Skills/tree/main/skills/analyzing-network-packets-with-scapy into .cursor/skills/analyzing-network-packets-with-scapy/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "analyzing-network-packets-with-scapy", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git --path skills/analyzing-network-packets-with-scapy--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill analyzing-network-packets-with-scapy -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install mukul975/Anthropic-Cybersecurity-Skills analyzing-network-packets-with-scapy --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/analyzing-network-packets-with-scapy .gemini/skills/analyzing-network-packets-with-scapy && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "analyzing-network-packets-with-scapy" agent skill from https://github.com/mukul975/Anthropic-Cybersecurity-Skills/tree/main/skills/analyzing-network-packets-with-scapy into .gemini/skills/analyzing-network-packets-with-scapy/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "analyzing-network-packets-with-scapy", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install mukul975/Anthropic-Cybersecurity-Skills analyzing-network-packets-with-scapyInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill analyzing-network-packets-with-scapy -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/analyzing-network-packets-with-scapy .github/skills/analyzing-network-packets-with-scapy && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "analyzing-network-packets-with-scapy" agent skill from https://github.com/mukul975/Anthropic-Cybersecurity-Skills/tree/main/skills/analyzing-network-packets-with-scapy into .github/skills/analyzing-network-packets-with-scapy/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "analyzing-network-packets-with-scapy", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill analyzing-network-packets-with-scapy -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install mukul975/Anthropic-Cybersecurity-Skills analyzing-network-packets-with-scapy --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/analyzing-network-packets-with-scapy .opencode/skills/analyzing-network-packets-with-scapy && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "analyzing-network-packets-with-scapy" agent skill from https://github.com/mukul975/Anthropic-Cybersecurity-Skills/tree/main/skills/analyzing-network-packets-with-scapy into .opencode/skills/analyzing-network-packets-with-scapy/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "analyzing-network-packets-with-scapy", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
analyzing-network-packets-with-scapy- GitHub stars
- 34k
- Token cost
- ~626 tokens
- SKILL.md length
- 236 words
- Files
- 4 (incl. scripts, references)
- Skills in repo
- 637
- Repo updated
- First seen
- Licence
- Apache-2.0
At a glance
Use Scapy to craft, send, sniff, and dissect TCP/UDP/ICMP/DNS packets, analyze pcap files, implement SYN scans, and detect anomalous traffic such as fragmented or malformed packets.
- Works in 7 steps: Read and parse pcap/pcapng files with… → Extract protocol layers (IP, TCP, UDP,… → Compute traffic statistics: top talkers,… → …
- Performing authorized network reconnaissance
- SKILL.md covers Overview, When to Use, Prerequisites and Steps, plus 1 more section
- Runs Python scripts from its folder; calls pip
What it does
Analyzing Network Packets With Scapy is an agent skill from mukul975/Anthropic-Cybersecurity-Skills. Use Scapy to craft, send, sniff, and dissect TCP/UDP/ICMP/DNS packets, analyze pcap files, implement SYN scans, and detect anomalous traffic such as fragmented or malformed packets. Use when performing authorized network reconnaissance, protocol-level forensic analysis, or building traffic anomaly detection during security testing.
Its SKILL.md is about 630 tokens, which your agent loads only when the skill is triggered. The skill folder holds 5 other files, including scripts and reference files (for example `references/api-reference.md` and `scripts/agent.py`).
It sits in Security, covering Anomaly detection and Digital forensics. The repository describes itself as: 817 structured cybersecurity skills for AI agents · Mapped to 6 frameworks: MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, D3FEND, NIST AI RMF & MITRE F3 (Fight Fraud) · agentskills.io…. The licence is Apache-2.0.
When your agent uses it
- Performing authorized network reconnaissance
- Protocol-level forensic analysis
- Building traffic anomaly detection during security testing
Example prompts
- “/analyzing-network-packets-with-scapy”
Requirements
- Python 3
Workflow steps
7 steps, taken from the first numbered list in SKILL.md.
- Read and parse pcap/pcapng files with rdpcap() for offline analysis
- Extract protocol layers (IP, TCP, UDP, DNS, HTTP) and field values
- Compute traffic statistics: top talkers, protocol distribution, port frequency
- Detect SYN flood patterns by analyzing TCP flag ratios
- Identify DNS exfiltration indicators via query length and entropy analysis
- Craft custom probe packets for authorized network testing
- Export findings as structured JSON report
What it can do on your machine
Read from SKILL.md and the folder at commit 54a7988. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
Ships 1 file in scripts/ (Python), which the agent can run.
Shell commands in SKILL.md call:
pip
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md. Its commands use pip, which can reach the network depending on how they are called.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Analyzing Network Packets With Scapy loads about 626 tokens when it runs, and up to ~1.2k if it reads all its reference files. Until then it costs about 93 tokens; SKILL.md has 236 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); the scripts in this folder are not scanned.
SKILL.md
The full file from mukul975/Anthropic-Cybersecurity-Skills at commit 54a7988, republished under its Apache-2.0 licence (© mukul975). 236 words, ~626 tokens.
Download SKILL.mdSave it as
.claude/skills/analyzing-network-packets-with-scapy/SKILL.md (or your agent's skills folder). This skill also uses 3 other files; get the full folder from GitHub.- name
- analyzing-network-packets-with-scapy
- description
- Use Scapy to craft, send, sniff, and dissect TCP/UDP/ICMP/DNS packets, analyze pcap files, implement SYN scans, and detect anomalous traffic such as fragmented or malformed packets. Use when performing authorized network reconnaissance, protocol-level forensic analysis, or building traffic anomaly detection during security testing.
- domain
- cybersecurity
- subdomain
- network-security
- tags
- scapy, packet-analysis, network-forensics, protocol-dissection, pcap, traffic-analysis
- version
- 1.0
- author
- mahipal
- license
- Apache-2.0
- nist_csf
- PR.IR-01, DE.CM-01, ID.AM-03, PR.DS-02
- mitre_attack
- T1040, T1071, T1046, T1557
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
scapylibrary 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
- Read and parse pcap/pcapng files with
rdpcap()for offline analysis - Extract protocol layers (IP, TCP, UDP, DNS, HTTP) and field values
- Compute traffic statistics: top talkers, protocol distribution, port frequency
- Detect SYN flood patterns by analyzing TCP flag ratios
- Identify DNS exfiltration indicators via query length and entropy analysis
- Craft custom probe packets for authorized network testing
- 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.
© mukul975, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
SKILL.md and 3 other files (scripts, references) in skills/analyzing-network-packets-with-scapy of mukul975/Anthropic-Cybersecurity-Skills.
- SKILL.md
- LICENSE
- references/api-reference.md
- scripts/agent.py
Open the folder on GitHubat commit 54a7988
Compare with similar skills
Analyzing Network Packets With Scapy next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Analyzing Network Packets With Scapy this skillmukul975/Anthropic-Cybersecurity-Skills | 34k | — | ~626 | Automated safety check: Pass | Apache-2.0 | |
| Threat Detectionalirezarezvani/claude-skills | 28k | — | ~3.5k | Automated safety check: Pass | MIT | |
| Hashing Gatetola-rs/tola-ssg | 178 | — | ~380 | Automated safety check: Pass | MIT | |
| Anomalib Tiled Ensembleopen-edge-platform/anomalib | 6.2k | — | ~1.4k | Automated safety check: Pass | Apache-2.0 | |
| Runtime SentinelLeoYeAI/openclaw-master-skills | 2.2k | — | ~1.7k | Automated safety check: Pass | MIT | |
| Breach Detection Systemmukul975/Privacy-Data-Protection-Skills | 295 | — | ~3k | Automated safety check: Pass | Apache-2.0 |
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Related
Categories
Questions about Analyzing Network Packets With Scapy
What does Analyzing Network Packets With Scapy do?
Use Scapy to craft, send, sniff, and dissect TCP/UDP/ICMP/DNS packets, analyze pcap files, implement SYN scans, and detect anomalous traffic such as fragmented or malformed packets. Analyzing Network Packets With Scapy is an agent skill from mukul975/Anthropic-Cybersecurity-Skills. Use Scapy to craft, send, sniff, and dissect TCP/UDP/ICMP/DNS packets, analyze pcap files, implement SYN scans, and detect anomalous traffic such as fragmented or malformed packets.
When should I use Analyzing Network Packets With Scapy?
Analyzing Network Packets With Scapy fits situations like: performing authorized network reconnaissance; protocol-level forensic analysis; building traffic anomaly detection during security testing.
How do I install Analyzing Network Packets With Scapy in Claude Code?
Run `npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill analyzing-network-packets-with-scapy -a claude-code`. Or copy the skill folder (skills/analyzing-network-packets-with-scapy in mukul975/Anthropic-Cybersecurity-Skills) into .claude/skills/analyzing-network-packets-with-scapy in your project. Claude Code loads it when a task matches its description.
How do I install Analyzing Network Packets With Scapy in Codex?
Run `npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill analyzing-network-packets-with-scapy -a codex`. Or copy the skill folder (skills/analyzing-network-packets-with-scapy in mukul975/Anthropic-Cybersecurity-Skills) into .agents/skills/analyzing-network-packets-with-scapy in your project. Codex loads it when a task matches its description.
Can I use Analyzing Network Packets With Scapy in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill analyzing-network-packets-with-scapy -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/analyzing-network-packets-with-scapy, .gemini/skills/analyzing-network-packets-with-scapy, .github/skills/analyzing-network-packets-with-scapy and .opencode/skills/analyzing-network-packets-with-scapy in your project.
What does Analyzing Network Packets With Scapy need to run?
Going by SKILL.md and its folder, Analyzing Network Packets With Scapy needs Python for the scripts in its folder and the command-line tools its instructions call (pip). Our summary lists: Python 3.
Does Analyzing Network Packets With Scapy access the network?
SKILL.md contains no URLs. Its commands use pip, which can reach the network depending on how they are called. This is read from the text; nothing was executed.
Is Analyzing Network Packets With Scapy safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.
What licence does Analyzing Network Packets With Scapy use?
Analyzing Network Packets With Scapy is published under the Apache-2.0 licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Analyzing Network Packets With Scapy use?
About 626 tokens (SKILL.md is roughly 2.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 543 tokens, read only when the agent opens those files.
What are the alternatives to Analyzing Network Packets With Scapy?
Skills that share tags, products or a category with Analyzing Network Packets With Scapy: Threat Detection (alirezarezvani/claude-skills, 28k stars), Hashing Gate (tola-rs/tola-ssg, 178 stars), Anomalib Tiled Ensemble (open-edge-platform/anomalib, 6.2k stars) and Runtime Sentinel (LeoYeAI/openclaw-master-skills, 2.2k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Analyzing Network Packets With Scapy?
mukul975 (a GitHub user) maintains it in mukul975/Anthropic-Cybersecurity-Skills, which has 33,922 GitHub stars. The repository holds 637 skills in this directory. The repository was last updated on August 31, 2026.
Source: mukul975/Anthropic-Cybersecurity-Skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.