perform-static-malware-analysis

perform-static-malware-analysis is a skill for Claude Code, Codex from gaelic-ghost/socket. It costs 53 tokens per session (392 once invoked), scanned A, original, Apache-2.0.

A method for examining suspicious files without running them, including programs, scripts, packages, archives, libraries, extensions, and firmware.

In plain words
What is it for?
It is for inspecting file structure, signatures, permissions, linked libraries, strings, URLs, commands, embedded resources, obfuscation, and possible malware behaviors.
Why use it?
It helps estimate what an artifact may do while avoiding the risk of executing it on a real system.

Skill for Claude CodeCodex

Part of the cybersecurity-skills plugin — 31 skills shipped together

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.

agentmods
npx agentmods add skills/gaelic-ghost/socket/perform-static-malware-analysis
Any agent
npx skills add gaelic-ghost/socket --skill perform-static-malware-analysis
Clone the repo
git clone --depth 1 https://github.com/gaelic-ghost/socket

Made for: Claude Code, Codex.

Or install cybersecurity-skills, the plugin that ships this one along with the rest of its 31 skills.

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 perform-static-malware-analysis

README.md
[![agentmods](https://agentmods.dev/badge/skills/gaelic-ghost/socket/perform-static-malware-analysis.svg)](https://agentmods.dev/skills/gaelic-ghost/socket/perform-static-malware-analysis)
Your own site
<a href="https://agentmods.dev/skills/gaelic-ghost/socket/perform-static-malware-analysis"><img src="https://agentmods.dev/badge/skills/gaelic-ghost/socket/perform-static-malware-analysis.svg" alt="Measured on agentmods" height="20"></a>
Per session 53 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 392 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00053 $0.00392
Opus 5 $0.00026 $0.00196
Sonnet 5 $0.00011 $0.00078
Haiku 4.5 $0.00005 $0.00039

Measured yesterday against content hash 36493a8682d7, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

perform-static-malware-analysis 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 yesterday.

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.

plugins/cybersecurity-skills/skills/perform-static-malware-analysis/SKILL.md · 34 lines

What it actually says

Perform Static Malware Analysis

Overview

Build a capability hypothesis from preserved bytes and structure. Keep every source-level or behavioral claim bounded by what static evidence can actually prove.

Read references/static-analysis-layers.md for layered checks and escalation criteria.

Workflow

  1. Establish artifact identity and working copy.
  2. Inspect outer structure.
    • Identify formats, architectures, bundles, packages, sections, members, overlays, embedded resources, signatures, timestamps, and declared permissions.
  3. Extract low-risk indicators.
    • Collect imports/exports, linked libraries, symbols, strings, URLs/domains, paths, commands, mutex/service names, configuration, certificates, and persistence references.
  4. Inspect code and content shape.
    • Identify interpreters, entry points, packers/obfuscation, encrypted blobs, staged payloads, anti-analysis checks, and unusual executable mappings.
    • Use YARA-X or other local rules as evidence with rule/version recorded.
  5. Form capability hypotheses.
    • Map evidence to possible execution, persistence, discovery, credential, collection, command-and-control, exfiltration, or defense-evasion behavior.
    • Separate present code from reachable behavior and capability from observed execution.
  6. Escalate deliberately.
    • Use reverse-engineering-skills for control flow, decompilation, protocol/config recovery, or exact binary comparisons.
    • Use dynamic analysis only after isolation selection and a clear observation plan.

Output

Return identity, structure, indicators, likely capabilities, contradictory evidence, obfuscation/coverage limits, confidence, and the smallest next analysis step.

Files

What ships with it

2 files 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. yesterday First seen · 34 lines · 53 tokens per session scan A 36493a8682d7

Subscribe to this mod's changes

perform-static-malware-analysis is a skill published in the GitHub repository gaelic-ghost/socket (7 stars, last pushed 9d ago), licensed Apache-2.0. It adds 53 tokens to every session and 392 once invoked, about $0.0003 per session on Opus 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 2026-09-03.

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