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ctf-skills — Agent skills for solving CTF challenges - web exploitation, binary pwn, crypto, reverse engineering, forensics, OSINT, and more | Kitploit
Tools/GitHubGitHub/ljagiello/ctf-skills
OSINT (Open Source Intelligence)Vulnerability AnalysisExploitationReverse EngineeringForensicsWeb SecurityCryptographyCTFPenetration TestingLearning & EducationBinary ExploitationLabs & Practice
GitHubljagiello/ctf-skills

ctf-skills

Agent skills for solving CTF challenges - web exploitation, binary pwn, crypto, reverse engineering, forensics, OSINT, and more

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3.0k349722 days agoReviewed by Kitploit

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ctf-skills

Agent Skills for solving CTF challenges — web exploitation, binary pwn, crypto, reverse engineering, forensics, OSINT, and more. Works with any tool that supports the Agent Skills spec, including Claude Code.

Installation

npx skills add ljagiello/ctf-skills

Environment Setup

Two setup strategies depending on your workflow:

Pre-install (recommended before competitions)

Use the central installer entrypoint:

bash scripts/install_ctf_tools.sh all

Run a narrower mode when you only want one tool group:

bash scripts/install_ctf_tools.sh python
bash scripts/install_ctf_tools.sh pat
bash scripts/install_ctf_tools.sh apt
bash scripts/install_ctf_tools.sh brew
bash scripts/install_ctf_tools.sh gems
bash scripts/install_ctf_tools.sh go
bash scripts/install_ctf_tools.sh manual

Preview what would be installed (skips already-present packages):

bash scripts/install_ctf_tools.sh --dry-run all

Verify what's already installed:

bash scripts/install_ctf_tools.sh --verify

Use --force to reinstall everything regardless of what's already present. Install logs are saved to ~/.ctf-tools/.

The full package lists now live in scripts/install_ctf_tools.sh.

[!TIP] The pat mode shallow-clones PayloadsAllTheThings into ~/.ctf-tools/PayloadsAllTheThings and links it at ctf-web/payloads/PayloadsAllTheThings. Bulk payloads stay out of git; technique files reference ctf-web/pat-reference.md with a few exemplar payloads inline.

On-demand (during challenges)

Each skill's SKILL.md has a Prerequisites section listing only the tools needed for that category. Install as you go when the agent encounters a missing tool.

Skills

SkillFilesDescription
ctf-ai-ml3Model weight perturbation negation, adversarial examples (FGSM, PGD, C&W), foolbox L1BasicIterativeAttack Keras evasion, hand-rolled Keras FGSM via K.gradients, prompt injection, LLM jailbreaking, model extraction, membership inference, neural network collision, LoRA adapter exploitation, gradient descent inversion, data poisoning, backdoor detection, token smuggling, context window manipulation
ctf-web23SQLi (blind boolean/time/error generators, second-order, WAF bypasses, EXIF metadata injection, keyword fragmentation bypass, MySQL column truncation, DNS record injection, ORDER BY CASE WHERE bypass, QR code input injection, double-keyword filter bypass), Burp Intruder parity via python-requests.md (sync, 30-worker ThreadPoolExecutor, 100-concurrency httpx async, generator streaming feeds, async_fuzz.py CLI fuzzer), PayloadsAllTheThings on-demand index (pat-reference.md), XSS (AngularJS sandbox escapes, DOM clobbering, CSP bypasses), SSTI (Jinja2, Twig, Go template FuncMap), SSRF (DNS rebinding, cloud metadata), XXE, file upload polyglots, deserialization (Java ysoserial, Python pickle, PHP), JWT (key confusion, dynamic length RSA parameters), OAuth/OIDC, prototype pollution
ctf-pwn19Buffer overflow, ROP chains, ret2csu, ret2vdso, vsyscall ROP PIE bypass, bad char XOR bypass, 5 runnable pwntools==4.15.0 template scripts in ctf-pwn/scripts/ with yield payload generators (ret2libc, SROP, shellcraft asm, format string write-size suites, seccomp ORW), heap exploitation (unlink, House of Force, largebin attack guide, glibc 2.39 tcache key protection + calloc behavior, House of Apple 2 + setcontext SUID variant, House of Tangerine/Einherjar), kernel exploitation (io_uring CVE-2024-0582, CET Shadow Stack signal-frame bypass, KASLR, SMEP/SMAP, ret2usr, modprobe_path), format string, SROP with UTF-8 constraints
ctf-crypto19RSA (small e, common modulus, Wiener, Boneh-Durfee $d<N^{0.292}$, partial-$d$ exposure, Hastad broadcast, Hastad broadcast with linear padding Coppersmith, Coppersmith structured primes, Franklin-Reiter related message attack e=3, Manger, Manger OAEP timing, Williams $p+1$ + ECM chain, LSB binary search oracle, Fermat/consecutive primes, multi-prime, restricted-digit primes, p=q bypass, cube root CRT, phi multiple factoring, weak keygen base representation, gcd(e,phi)>1 exponent reduction, CRT fault attack, homomorphic decryption oracle bypass, small prime CRT decomposition, Montgomery timing, Bleichenbacher low-exponent forgery, e=1 bypass), AES (ECB byte-at-a-time, CBC bitflip + padding oracle, GCM nonce reuse forbidden attack, ChaCha20-Poly1305 nonce reuse, key-committing partitioning oracle), ECC (small subgroup, invalid curve 5 variants, Smart $p$-adic lift, MOV pairing, twist attacks, SIDH Castryck-Decru warning, CSIDH volcano walk, ECDSA nonce reuse, Ed25519 torsion), classic DH (trivial g, Pohlig-Hellman, Lim-Lee confinement), Lattices/PQC (fpylll Howgrave-Graham lattice, NTRU negacyclic basis, GGH CVP embedding, Mersenne AJPS small roots, BDD predicate, ML-KEM/Kyber flattening), PRNG/stream (PCG XSH-RR, xoroshiro/xoshiro, BBS parity, Henon/Arnold chaos, Spritz/VMPC/RC4A, Trivium cube attack)
ctf-reverse22Binary analysis, custom VMs (+ VM bytecode lifting to LLVM IR), WASM, RISC-V, Rust serde, Python bytecode, Unicorn CPU emulation guide (unicorn-emulation.md: hooks, mixed-mode 64→32 retf with XMM state preservation, MMIO peripherals, Keystone trace inversion), Go (GoReSym), Android APK/DEX/JNI, anti-debug, anti-VM, control flow flattening deobfuscation, radare2 scripting with r2ghidra decompilation, ESIL single-function emulation, and batch-mode byte patching (radare2-r2pipe.md), r2frida live-process instrumentation, MBA simplification with msynth, MCP server integration for agent-driven RE (tools-mcp.md)
ctf-forensics14Disk/memory forensics (GIMP raw memory dump visual inspection, Kyoto Cabinet hash DB forensics), RAID 5 XOR recovery, APFS snapshot recovery, Windows KAPE triage, Windows/Linux forensics, steganography (Arnold's Cat Map descrambling, MJPEG extra bytes after FFD9, high-res SSTV custom FM demodulation, EXIF zlib + triangular numbers LSB, PDF xref generation number covert channel, pixel-wise ECB deduplication image recovery), network captures, tcpdump, TLS/SSL keylog decryption, RDP session decryption via PKCS12 key extraction, USB HID drawing, USB HID keyboard capture decoding (+ arrow key navigation tracking), USB MIDI Launchpad traffic reconstruction, UART decode, serial UART data decoding from WAV audio, side-channel power analysi…
ctf-osint4Social media, geolocation, Google Lens cropped region search, reflected/mirrored text reading, Street View panorama matching, What3Words micro-landmark matching, Google Plus Codes, Baidu reverse image search, Overpass Turbo spatial queries, username enumeration, username metadata mining (postal codes), Strava fitness route OSINT, Google Maps photo verification, DNS recon, archive research, Google dorking (TBS image filters), Telegram bots, FEC filings, WHOIS investigation, music-themed landmark geolocation with key encoding, Shodan SSH fingerprint deanonymization, gaming platform OSINT (WoW/Steam/Minecraft character lookup), fake service banner detection via nmap fingerprinting, git commit author email mining for credential pivot, .DS_S…
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