Individual skill
ctf-pwn
CTF pwn challenge playbook — fast pwntools workflow against "nc host port" services: reproduce the remote environment locally with the provided libc/ld (patchelf, Docker), exploit format-string bugs (the CTF staple) for leaks and writes, and iterate a script from crash to flag. Load when the handout is a binary plus connection info. Signals: "pwn" category, nc host port, checksec output, provided libc.so.6/ld-linux, Dockerfile, "%p" reflections, menu-driven heap note apps.
skills/ctf/ctf-pwn/SKILL.md
Source commit ee0e0c50d2f6d941a14b73dd85a2b470d0ab976e
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- Matches the observed repository HEAD
- Yes
- Scanner rules are current
- Yes
- Repository scan complete
- No
- Skill scan complete
- No
- Observed behavior
- Network or broad shell
- Last checked
- Nov 11, 2026
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Repository context
- Repository stars (not skill ratings)
- 27
- Repository last updated
- Oct 14, 2026
- License
- MIT
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# CTF pwn challenges
## When it applies
The handout is a binary, usually with `nc host port`, often with a bundled `libc.so.6` +
`ld-linux-x86-64.so.2` and sometimes a Dockerfile. This skill covers the CTF-specific *workflow* —
environment reproduction, remote iteration, and format-string handling. For the exploit chains
themselves (ret2libc/one_gadget, tcache/fastbin/unsorted techniques, kernel pwn, stabilization),
work `exploit-pwn-chain`; for finding the bug, `reverse-eng-binary-triage` and
`exploit-memory-corruption`.
## Why it works
CTF pwn is deterministic: the organizer ships you the exact remote environment (libc, ld, sometimes
the whole image), so "local works, remote crashes" is a *choice*, not a hazard — if you run the
provided libc locally, offsets are identical and the only remote variables left are ASLR (leak it)