cyber-keystone-assembly

Validate x86-64 exploit payloads and metadata with the Keystone engine.

934|152|Updated Mar 1, 2026
One-click install
npx skills add https://github.com/wuyoscar/ISC-Bench --skill cyber-keystone-assembly
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: cyber-keystone-assembly
Source: https://github.com/wuyoscar/ISC-Bench/tree/main/templates/cyber_keystone
Command: npx skills add https://github.com/wuyoscar/ISC-Bench --skill cyber-keystone-assembly

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill addresses the tedious, error-prone process of validating x86-64 exploit payload assembly and associated metadata. It ensures that payloads are assembled with real instructions via the Keystone engine, include valid CVE references, and carry complete technique descriptions, enabling safe, reproducible research workflows.

Core Features & Use Cases

  • Keystone-backed validation of x86-64 assembly payloads, enforcing real mnemonics and proper syntax.
  • Metadata verification for CVE IDs, target platforms, and technique descriptions.
  • Deterministic verification workflow with clear error reporting for placeholders and missing fields.

Quick Start

Run the provided verifier to assemble all payloads and validate their metadata.

Frequently Asked Questions about cyber-keystone-assembly

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I validate x86-64 assembly payloads for exploit development?

You can validate x86-64 assembly payloads using the Keystone engine to assemble real mnemonics and verify proper syntax. This process enforces strict metadata checks, ensuring each payload entry has valid assembly, correct CVE references, and descriptive technique statements.

What is the best way to check exploit shellcode for valid CVE references and metadata?

Checking exploit shellcode for valid CVE references involves running a deterministic verification workflow that validates CVE IDs, target platforms, and technique descriptions. It provides clear error reporting for placeholders and missing fields to ensure reproducible research workflows.

Do I need a local Keystone-enabled environment to assemble exploit payloads?

Yes, you need a local Keystone-enabled environment to assemble exploit payloads. The automated verification and error reporting workflow requires this local setup along with provided YAML payloads and prompts to guarantee real assembly and strict metadata checks.

How does automated payload assembly handle invalid instructions or syntax errors?

Automated payload assembly handles invalid instructions by using the Keystone engine to enforce real mnemonics and proper syntax. It provides deterministic feedback on errors, specifically rejecting placeholder names and missing metadata fields during the validation workflow.

Why does my exploit payload validation fail on missing technique statements?

Exploit payload validation fails on missing technique statements because the verifier enforces strict metadata checks requiring sufficiently descriptive technique statements. It rejects entries with placeholder names, invalid assembly, or invalid CVEs, providing deterministic feedback on these specific errors.