Individual skill

exploit-pwn-chain

Engineer a reliable exploit from a known memory-corruption bug — stack, heap, or kernel — taking a local crash to a stable remote exploit: ret2libc/ret2csu/one_gadget, tcache/fastbin/unsorted-bin techniques matched to the glibc version, kernel pwn against SMEP/SMAP/KASLR/KPTI, and remote stabilization (libc fingerprinting, stack alignment, recvuntil anchoring, spray sizing). Load when you have binary + bug + target environment and "local works, remote crashes". Signals: pwn, ROP, ret2libc, one_gadget, tcache, heap spray, kROP, modprobe_path, pwntools, checksec output.

skills/exploit-dev/exploit-pwn-chain/SKILL.md

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Last checked: Nov 7, 2026

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Repository stars (not skill ratings): 27
Repository last updated: Oct 14, 2026
License: MIT

Observed agent integration: No specific integration evidence. Standard SKILL.md installation does not imply verified compatibility.

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SKILL.mdcore · 5,341 bytes
cheatsheet.mddoc · 9,139 bytes

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# Pwn chain: bug to working exploit

## When it applies
You already know where it crashes — `reverse-eng-binary-triage` or `exploit-memory-corruption`
found the overflow/UAF/double-free — and now you must produce a *stable* exploit against the real
remote target, not a script that only works on your laptop. Covers userspace stack pwn, glibc heap
exploitation, and Linux kernel/driver pwn (e.g. an ioctl bug for privesc). Pentest-only; note the
crash risk in the RoE (`tradecraft-scope-roe`).

## Why it works
A local win and a remote win differ by engineering, not by the bug: the remote libc version, ASLR
slide, stack alignment, network buffering, and heap layout all shift. The chain is always the same —
model the protections, leak what randomization hides, build the primitive (ROP/poisoned
bin/sprayed object), then iterate against the real environment until the success rate is measured,