ags-amsi-etw-patch

ags-amsi-etw-patch is a skill for Claude Code, Codex from 1llu50ry/mcp-gamehacking. It costs 51 tokens per session (225 once invoked), scanned A, original, MIT.

A security research proof of concept showing how small byte changes can bypass AMSI and ETW on Windows. AMSI scans scripts and applications for malicious content, while ETW records system and application events.

In plain words
What is it for?
It is for red-team simulation and validating whether defensive tools detect AMSI and ETW tampering, with examples in C, PowerShell, and C#.
Why use it?
It helps red teams and defenders examine how in-memory patches can weaken malware scanning and telemetry. The examples make the affected control-flow points easier to study.

Skill for Claude CodeCodex

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

Good fit It is for red-team simulation and validating whether defensive tools detect AMSI and ETW tampering, with examples in C, PowerShell, and C#.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/1llu50ry/mcp-gamehacking/ags-amsi-etw-patch
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-amsi-etw-patch
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-amsi-etw-patch

README.md
[![agentmods](https://agentmods.dev/badge/skills/1llu50ry/mcp-gamehacking/ags-amsi-etw-patch/github.svg)](https://agentmods.dev/skills/1llu50ry/mcp-gamehacking/ags-amsi-etw-patch)
Your own site
<a href="https://agentmods.dev/skills/1llu50ry/mcp-gamehacking/ags-amsi-etw-patch"><img src="https://agentmods.dev/badge/skills/1llu50ry/mcp-gamehacking/ags-amsi-etw-patch/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-amsi-etw-patch

Your own site · 80×15
<a href="https://agentmods.dev/skills/1llu50ry/mcp-gamehacking/ags-amsi-etw-patch"><img src="https://agentmods.dev/badge/skills/1llu50ry/mcp-gamehacking/ags-amsi-etw-patch.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 51 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 225 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 $0.00051 $0.00225
Opus 5.5 $0.00020 $0.00090
Sonnet 5.5 $0.00010 $0.00045
Haiku 4.5 $0.00005 $0.00022

Measured 2d ago against content hash c04f4be972bf, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

ags-amsi-etw-patch 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-amsi-etw-patch/SKILL.md · 17 lines

What it actually says

AMSI ETW Patch

Author: Mr-Un1k0d3r Source: mcp-gamehacking/skills/ags-amsi-etw-patch

Description

This project is a security research proof of concept for bypassing AMSI and ETW with minimal byte patches. It includes C, PowerShell, and C# examples that illustrate where to patch branch logic in AMSI paths and how to short-circuit telemetry-related tracing calls. Diagrams and notes explain control flow and why single-byte changes can reduce the footprint of the modification. The main use case is red-team simulation and defensive validation of detection coverage around in-memory tampering 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 · 17 lines · 51 tokens per session scan A c04f4be972bf

Subscribe to this mod's changes

ags-amsi-etw-patch is a skill published in the GitHub repository 1llu50ry/mcp-gamehacking (344 stars, last pushed 2d ago), licensed MIT. It adds 51 tokens to every session and 225 once invoked, about $0.0002 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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