Agent skill

Ctf Forensics

by wgpsec in wgpsec/AboutSecurity

CTF 数字取证与信号分析技术。当挑战提供磁盘镜像(.dd/.E01)、内存 dump(.raw/.vmem)、网络抓包(.pcap/.pcapng)、隐写图片/音频、Windows 事件日志(.evtx)时使用。覆盖 Volatility 内存分析、Wireshark 流量还原、binwalk 隐写提取、文件系统恢复等取证全链路

No licenceAuto-check: notesSecurity

Install Ctf Forensics

skills CLI
$ npx skills add wgpsec/AboutSecurity --skill ctf-forensics -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install wgpsec/AboutSecurity ctf-forensics --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/wgpsec/AboutSecurity.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/ctf/ctf-forensics .claude/skills/ctf-forensics && rm -rf skills-src

Use ~/.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/

Facts

Skill name
ctf-forensics
GitHub stars
1.8k
Token cost
~878 tokens
SKILL.md length
84 words
Files
17 (incl. references)
Skills in repo
64
Repo updated
First seen
Licence
None found

At a glance

CTF 数字取证与信号分析技术。当挑战提供磁盘镜像(.dd/.E01)、内存 dump(.raw/.vmem)、网络抓包(.pcap/.pcapng)、隐写图片/音频、Windows 事件日志(.evtx)时使用。覆盖 Volatility 内存分析、Wireshark 流量还原、binwalk 隐写提取、文件系统恢复等取证全链路

  • Tasks that involve Capture the flag
  • SKILL.md covers 深入参考, 分类决策树, 快速启动命令 and 隐写速查, plus 2 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Ctf Forensics is an agent skill from wgpsec/AboutSecurity. CTF 数字取证与信号分析技术。当挑战提供磁盘镜像(.dd/.E01)、内存 dump(.raw/.vmem)、网络抓包(.pcap/.pcapng)、隐写图片/音频、Windows 事件日志(.evtx)时使用。覆盖 Volatility 内存分析、Wireshark 流量还原、binwalk 隐写提取、文件系统恢复等取证全链路

Its SKILL.md is about 880 tokens, which your agent loads only when the skill is triggered. The skill folder holds 18 other files, including reference files (for example `evals/evals.json`, `evals/recall.json` and `references/3d-printing.md`).

It sits in Security, covering Capture the flag. It works with Wireshark and Linux. The repository describes itself as: Everything for pentest. | 渗透测试知识库,以 AI Agent 可执行的格式沉淀安全方法论。

When your agent uses it

  • Tasks that involve Capture the flag

Example prompts

  • “/ctf-forensics”

Requirements

  • Docker

What it can do on your machine

Read from SKILL.md and the folder at commit db4573f. 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

    No scripts in the folder and no shell commands in SKILL.md (its code samples are bash).

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    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

Ctf Forensics loads about 878 tokens when it runs, and up to ~59k if it reads all its reference files. Until then it costs about 45 tokens; SKILL.md has 84 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~45
When it runs · the whole SKILL.md, loaded when a task matches
~878
With references · SKILL.md plus every file in references/, read only if the agent opens them
~59k

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: notes

The automated check noted patterns worth knowing about, such as sudo or a known installer.

  • NoteRuns commands with sudoSKILL.md:64
    sudo mount -o loop,ro image.dd /mnt/evidence

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); files beside SKILL.md are not scanned.

SKILL.md

Without a licence we can't republish the file, so here is its outline and opening line. It has 84 words (~878 tokens).

name
ctf-forensics
metadata.tags
ctf,forensics,取证,volatility,pcap,steganography,隐写,磁盘,内存,网络
metadata.category
ctf

Read the full SKILL.md on GitHub

Files

SKILL.md and 16 other files (references) in skills/ctf/ctf-forensics of wgpsec/AboutSecurity.

  • SKILL.md
  • evals/evals.json
  • evals/recall.json
  • references/3d-printing.md
  • references/disk-advanced.md
  • references/disk-and-memory.md
  • references/disk-recovery.md
  • references/linux-forensics.md
  • references/network-advanced.md
  • references/network.md
  • references/peripheral-capture.md
  • references/signals-and-hardware.md
  • references/steganography.md
  • references/stego-advanced-2.md
  • references/stego-advanced.md
  • references/stego-image.md
  • references/windows.md

Open the folder on GitHubat commit db4573f

Compare with similar skills

Ctf Forensics 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.

Ctf Forensics compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Ctf Forensics this skillwgpsec/AboutSecurity1.8k—~878Automated safety check: NotesNone
Alibabacloud Ecs Sec Kernelaliyun/alibabacloud-ecs-troubleshoot-skills1481 repos~2.4kAutomated safety check: NotesApache-2.0
Ctf Cryptoljagiello/ctf-skills3.4k—~11kAutomated safety check: NotesMIT
Reverse Flowlingbol088-spec/reverse-flow-skill936—~2.4kAutomated safety check: PassMIT
Game Automationrehan-remade/universal-modder5.3k—~1.9kAutomated safety check: PassMIT
Ctf Malwareljagiello/ctf-skills3.4k1 repos~2.1kAutomated safety check: NotesMIT

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Works with

Categories

Questions about Ctf Forensics

What does Ctf Forensics do?

CTF 数字取证与信号分析技术。当挑战提供磁盘镜像(.dd/.E01)、内存 dump(.raw/.vmem)、网络抓包(.pcap/.pcapng)、隐写图片/音频、Windows 事件日志(.evtx)时使用。覆盖 Volatility 内存分析、Wireshark 流量还原、binwalk 隐写提取、文件系统恢复等取证全链路. Ctf Forensics is an agent skill from wgpsec/AboutSecurity.

When should I use Ctf Forensics?

Ctf Forensics fits situations like: tasks that involve Capture the flag.

How do I install Ctf Forensics in Claude Code?

Run `npx skills add wgpsec/AboutSecurity --skill ctf-forensics -a claude-code`. Or copy the skill folder (skills/ctf/ctf-forensics in wgpsec/AboutSecurity) into .claude/skills/ctf-forensics in your project. Claude Code loads it when a task matches its description.

How do I install Ctf Forensics in Codex?

Run `npx skills add wgpsec/AboutSecurity --skill ctf-forensics -a codex`. Or copy the skill folder (skills/ctf/ctf-forensics in wgpsec/AboutSecurity) into .agents/skills/ctf-forensics in your project. Codex loads it when a task matches its description.

Can I use Ctf Forensics 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 wgpsec/AboutSecurity --skill ctf-forensics -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/ctf-forensics, .gemini/skills/ctf-forensics, .github/skills/ctf-forensics and .opencode/skills/ctf-forensics in your project.

What does Ctf Forensics need to run?

SKILL.md names no scripts, command-line tools or credentials: Ctf Forensics is instructions for the agent only. Our summary lists: Docker.

Does Ctf Forensics access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Ctf Forensics safe to install?

Our automated static check of SKILL.md found notes only (runs commands with sudo), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.

What licence does Ctf Forensics use?

No licence was found for Ctf Forensics or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Ctf Forensics use?

About 878 tokens (SKILL.md is roughly 3.5k 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 58k tokens, read only when the agent opens those files.

What are the alternatives to Ctf Forensics?

Skills that share tags, products or a category with Ctf Forensics: Alibabacloud Ecs Sec Kernel (aliyun/alibabacloud-ecs-troubleshoot-skills, 148 stars), Ctf Crypto (ljagiello/ctf-skills, 3.4k stars), Reverse Flow (lingbol088-spec/reverse-flow-skill, 936 stars) and Game Automation (rehan-remade/universal-modder, 5.3k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Ctf Forensics?

wgpsec (a GitHub organization) maintains it in wgpsec/AboutSecurity, which has 1,775 GitHub stars. The repository holds 64 skills in this directory. The repository was last updated on October 3, 2026.

Source: wgpsec/AboutSecurity on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.