ags-alternative-shellcode-exec

ags-alternative-shellcode-exec is a skill for Claude Code, Codex from 1llu50ry/mcp-gamehacking. It costs 33 tokens per session (194 once invoked), scanned A, original, MIT.

A set of C++ Windows examples showing how shellcode—small machine-code payloads—can be run through callback functions rather than the usual thread-creation method. Each sample demonstrates a different callback-based execution approach.

In plain words
What is it for?
Use it to study position-independent shellcode, callback APIs, and alternative execution patterns in Windows and game-security research.
Why use it?
It gives researchers examples of code-execution paths that differ from common injection techniques. This helps with studying user-mode evasion and improving detection of suspicious execution.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to study position-independent shellcode, callback APIs, and alternative execution patterns in Windows and game-security research.

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Install with agentmods
npx agentmods add skills/1llu50ry/mcp-gamehacking/ags-alternative-shellcode-exec
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add 1llu50ry/mcp-gamehacking --skill ags-alternative-shellcode-exec
Clone the repo
git clone --depth 1 https://github.com/1llu50ry/mcp-gamehacking

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for ags-alternative-shellcode-exec

README.md
[![agentmods](https://agentmods.dev/badge/skills/1llu50ry/mcp-gamehacking/ags-alternative-shellcode-exec/github.svg)](https://agentmods.dev/skills/1llu50ry/mcp-gamehacking/ags-alternative-shellcode-exec)
Your own site
<a href="https://agentmods.dev/skills/1llu50ry/mcp-gamehacking/ags-alternative-shellcode-exec"><img src="https://agentmods.dev/badge/skills/1llu50ry/mcp-gamehacking/ags-alternative-shellcode-exec/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for ags-alternative-shellcode-exec

Your own site · 80×15
<a href="https://agentmods.dev/skills/1llu50ry/mcp-gamehacking/ags-alternative-shellcode-exec"><img src="https://agentmods.dev/badge/skills/1llu50ry/mcp-gamehacking/ags-alternative-shellcode-exec.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 33 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 194 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00033 $0.00194
Opus 5.5 $0.00013 $0.00078
Sonnet 5.5 $0.00007 $0.00039
Haiku 4.5 $0.00003 $0.00019

Measured 2d ago against content hash 1b3122edbef0, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

ags-alternative-shellcode-exec scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/ags-alternative-shellcode-exec/SKILL.md · 20 lines

What it actually says

AlternativeShellcodeExec

Author: aahmad097 Source: mcp-gamehacking/skills/ags-alternative-shellcode-exec

Description

Alternative Code Execution is a collection of Windows proof-of-concept projects for running shellcode through callback APIs instead of CreateThread. The repository is implemented in C++ and organized as many Visual Studio samples, each demonstrating a different callback-based execution primitive. It focuses on position-independent shellcode execution and API abuse patterns that can reduce reliance on common injection paths. The primary use case is offensive security and game security research into user-mode evasion and detection bypass techniques.

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 20 lines · 33 tokens per session scan A 1b3122edbef0

Subscribe to this mod's changes

ags-alternative-shellcode-exec is a skill published in the GitHub repository 1llu50ry/mcp-gamehacking (344 stars, last pushed 2d ago), licensed MIT. It adds 33 tokens to every session and 194 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-10-23.

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