aeondave/seccomp-tools
offensive-tools/rev/seccomp-tools/SKILL.md
Auth/lab ref: seccomp BPF inspection toolkit for dumping, disassembling, assembling, and emulating Linux syscall filters.
$ install --global
skillsauthnpx skillsauth add aeondave/malskill seccomp-toolsInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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Last scanned: Jun 8, 2026, 4:04 AM165.3s1 file scanned
SKILL.md
- name:
- seccomp-tools
- description:
- Auth/lab ref: seccomp BPF inspection toolkit for dumping, disassembling, assembling, and emulating Linux syscall filters.
- compatibility:
- Linux primary; Ruby gem; targets seccomp-bpf workflows.
- author:
- AeonDave
- version:
- 1.0
seccomp-tools
Sandbox policy visibility for pwn and Linux-reversing work.
When to use seccomp-tools
Use seccomp-tools when you need to:
- dump a process or challenge binary's seccomp filter
- disassemble BPF policy logic into something readable
- confirm which syscalls are allowed, trapped, or killed
- adapt shellcode, ROP, or post-exploitation plans to the sandbox
Quick Start
# Dump seccomp filter from a local binary under execution
seccomp-tools dump ./chall
# Dump from a running PID
seccomp-tools dump -p 1234
# See available subcommands
seccomp-tools --help
High-Value Workflows
Core subcommands
seccomp-tools dump ./chall
seccomp-tools disasm policy.bpf
seccomp-tools asm policy.asm
seccomp-tools emu policy.bpf
Exploit-planning workflow
- Dump the filter with
dump. - Identify allowed syscalls and argument constraints.
- Decide whether
open,execve,mprotect,socket, orread/writepaths survive. - Adjust your chain toward the permitted syscall surface.
Practical Notes
- This tool is most valuable before wasting time on a payload that the sandbox will kill instantly.
- Pair with
straceto see the exact failing syscall and withgdbfor runtime state. - Even a tiny allowlist can still leave enough room for ORW, dup-and-read, or SROP-style recovery.
Caveats
- Dumping policies may require a cooperative execution path or ptrace-friendly environment.
- A readable filter still needs human interpretation for architecture and argument semantics.
- Kernel behavior and container layers can add constraints beyond the visible seccomp policy.
Resources
No bundled scripts/, references/, or assets/.
Use the upstream README for exact subcommand syntax, architecture support, and examples.
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