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ljagiello/ctf-web

CTF 챌린지에서 웹 익스플로잇 기술을 제공합니다. 대상이 HTTP 애플리케이션, API, 브라우저 클라이언트, 템플릿 엔진, 아이덴티티 흐름, 스마트 컨트랙트 프론트엔드/백엔드 표면일 때 사용하며, XSS, SQLi, SSTI, SSRF, XXE, JWT, 인증 우회, 파일 업로드, 요청 스머글링, OAuth/OIDC, SAML, 프로토타입 오염 등과 같은 웹 취약점을 포함합니다.

ctf-web란 무엇인가요?

이 스킬은 CTF 대회에서 발생하는 다양한 웹 취약점을 분석하고 익스플로잇하는 기술을 제공합니다. HTTP 애플리케이션, REST/GraphQL API, 브라우저 기반 클라이언트, 템플릿 엔진, OAuth/OIDC/SAML 인증 흐름, 스마트 컨트랙트의 프론트엔드/백엔드 표면 등 웹 기술 기반의 공격 대상에 특화되어 있습니다. 지원하는 취약점 유형으로는 XSS, SQL 인젝션, SSTI, SSRF, XXE, JWT 변조, 인증 우회, 파일 업로드 취약점, HTTP 요청 스머글링, 프로토타입 오염 등이 있습니다. 이 스킬은 네이티브 바이너리 메모리 손상, 독립 실행 파일 리버스 엔지니어링, 디스크 또는 메모리 포렌식, 순수 암호학 분석에는 사용하지 말아야 하며, 웹 취약점이 여전히 플래그 획득의 주요 경로인 경우에만 다른 기술과 함께 사용할 수 있습니다.

지원 대상~Claude Code~Codex CLI~Cursor
npx skills add https://github.com/ljagiello/ctf-skills/tree/main/skills/ctf-web

Installed? Explore more 연구 & 데이터 분석 skills: affaan-m/uspto-database, affaan-m/scholar-evaluation, affaan-m/literature-review · View all 6 →

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이 에이전트 스킬이 미리 로드된 새 채팅을 엽니다.

문서

ctf-web은(는) 무엇을 하나요?

CTF 챌린지에서 웹 익스플로잇 기술을 제공합니다. 대상이 주로 HTTP 애플리케이션, API, 브라우저 클라이언트, 템플릿 엔진, 아이덴티티 흐름, 또는 스마트 컨트랙트의 프론트엔드/백엔드 표면일 때 사용하며, XSS, SQLi, SSTI, SSRF, XXE, JWT, 인증 우회, 파일 업로드, 요청 스머글링, OAuth/OIDC, SAML, 프로토타입 오염 및 유사한 웹 버그를 포함합니다. 네이티브 바이너리 메모리 손상, 독립 실행 파일의 리버스 엔지니어링, 디스크 또는 메모리 포렌식, 또는 순수 암호 분석에는 사용하지 마십시오. 단, 웹 결함이 여전히 플래그를 얻는 주요 경로인 경우는 예외입니다.

Individual skills in this repo

This repo contains 10 individual skills — each has its own dedicated page.

ljagiello/ctf-ai-ml

Provides AI and machine learning techniques for CTF challenges. Use when attacking ML models, crafting adversarial examples, performing model extraction, prompt injection, membership inference, training data poisoning, fine-tuning manipulation, neural network analysis, LoRA adapter exploitation, LLM jailbreaking, or solving AI-related puzzles.

ljagiello/ctf-crypto

Provides cryptography attack techniques for CTF challenges. Use when attacking encryption, hashing, signatures, ZKP, PRNG, or mathematical crypto problems involving RSA, AES, ECC, lattices, LWE, CVP, number theory, Coppersmith, Pollard, Wiener, padding oracle, GCM, key derivation, or stream/block cipher weaknesses.

ljagiello/ctf-forensics

Provides digital forensics and signal analysis techniques for CTF challenges. Use when analyzing disk images, memory dumps, event logs, network captures, cryptocurrency transactions, steganography, PDF analysis, Windows registry, Volatility, PCAP, Docker images, coredumps, side-channel power traces, DTMF audio spectrograms, packet timing analysis, CD audio disc images, or recovering deleted files and credentials.

ljagiello/ctf-malware

Provides malware analysis and network traffic techniques for CTF challenges. Use when analyzing obfuscated scripts, malicious packages, custom crypto protocols, C2 traffic, PE/.NET binaries, RC4/AES encrypted communications, YARA rules, shellcode analysis, memory forensics for malware (Volatility malfind, process injection detection), anti-analysis techniques (VM/sandbox detection, timing evasion, API hashing, process injection, environment checks), or extracting malware configurations and indicators of compromise.

ljagiello/ctf-misc

Provides miscellaneous CTF challenge techniques for problems that do not cleanly fit the main categories. Use for encoding puzzles, pyjails, bash jails, RF/SDR, DNS oddities, unicode tricks, esoteric languages, QR or audio puzzles, constraint solving, game theory, unusual sandbox escapes, and hybrid logic puzzles. Prefer a more specific skill first when the challenge is mainly web, pwn, reverse, forensics, malware, OSINT, or crypto. Treat this as the fallback skill for genuine cross-category or edge-case challenges, not the default starting point.

ljagiello/ctf-osint

Provides open source intelligence techniques for CTF challenges. Use when gathering information from public sources, social media, geolocation, DNS records, username enumeration, reverse image search, Google dorking, Wayback Machine, Tor relays, FEC filings, or identifying unknown data like hashes and coordinates.

ljagiello/ctf-pwn

Provides binary exploitation techniques for CTF challenges. Use when you already have a vulnerable native target or service and need to turn memory corruption or low-level primitives into code execution or privilege escalation, such as buffer overflows, format strings, heap bugs, ROP, ret2libc, shellcode, kernel exploitation, seccomp bypass, sandbox escape, or Windows/Linux exploit chains. Do not use it when the main blocker is understanding what the binary does; use reverse engineering first. Do not use it for pure web bugs, disk or packet forensics, or standalone crypto/math challenges.

ljagiello/ctf-reverse

Provides reverse engineering techniques for CTF challenges. Use when the main job is to understand how a compiled, obfuscated, packed, or virtualized target works before exploiting or solving it, including binaries, APKs, WASM, firmware, custom VMs, bytecode, game clients, malware-like loaders, and anti-debug or anti-analysis logic. Do not use it when the vulnerability is already understood and the remaining task is exploitation; use pwn instead. Do not use it for pure web workflows, log or disk forensics, or standalone crypto problems unless reversing the implementation is the real blocker.

ljagiello/ctf-writeup

Generates a single standardized submission-style CTF writeup for competition handoff and organizer review. Use after solving a CTF challenge to document the solution steps, tools used, and lessons learned in a structured format.

ljagiello/solve-challenge

Solves CTF challenges by performing first-pass triage, identifying the dominant category, and routing execution to the right specialized ctf-* skill. Use when the user gives you a challenge bundle, a remote service, a suspicious file, or only a vague challenge description and you must determine where to start. Do not use it when the category is already clear and a specialized skill can be invoked directly; this is the dispatcher and recon entrypoint, not the deepest reference for category-specific techniques.

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