analyzing-golang-malware-with-ghidra

analyzing-golang-malware-with-ghidra is a skill for Claude Code from plurigrid/asi. It costs 40 tokens per session (2,756 once invoked), scanned A, original, MIT.

A reverse-engineering guide for examining malware compiled from Go, also called Golang, with Ghidra. It focuses on recovering function names, strings, types, and program structure from stripped Go binaries.

In plain words
What is it for?
Use it to inspect Go malware, recover useful function information, extract strings, reconstruct types, and study its control flow.
Why use it?
Go malware often contains bundled runtime code and missing names, which can make its behavior harder to understand in standard reverse-engineering tools.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the asi plugin — 56 skills shipped together

Good fit Use it to inspect Go malware, recover useful function information, extract strings, reconstruct types, and study its control flow.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/plurigrid/asi/analyzing-golang-malware-with-ghidra
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 plurigrid/asi --skill analyzing-golang-malware-with-ghidra
Clone the repo
git clone --depth 1 https://github.com/plurigrid/asi

Made for: Claude Code.

Or install asi, the plugin that ships this one along with the rest of its 56 skills.

Wrote this? Show the measurements

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README.md
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<a href="https://agentmods.dev/skills/plurigrid/asi/analyzing-golang-malware-with-ghidra"><img src="https://agentmods.dev/badge/skills/plurigrid/asi/analyzing-golang-malware-with-ghidra.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 40 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,756 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00040 $0.02756
Opus 5 $0.00020 $0.01378
Sonnet 5 $0.00008 $0.00551
Haiku 4.5 $0.00004 $0.00276

Measured 8d ago against content hash f20ee7bce0ca, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

analyzing-golang-malware-with-ghidra 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 8d 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.

Origin

Copies of this mod

6 near-identical copies found in the catalogue:

plugins/asi/skills/analyzing-golang-malware-with-ghidra/SKILL.md · 299 lines

How it starts

The opening of the file, as written. The whole thing — 299 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Analyzing Golang Malware with Ghidra

Overview

Go (Golang) has become a popular language for malware authors due to its cross-compilation capabilities, static linking that produces self-contained binaries, and the complexity it introduces for reverse engineering. Go binaries contain the entire runtime, standard library, and all dependencies statically linked, resulting in large binaries (often 5-15MB) with thousands of functions. Ghidra struggles with Go-specific string formats (non-null-terminated), stripped function names, and goroutine concurrency patterns. Specialized tools like GoResolver (Volexity, 2025) use control-flow graph similarity to automatically deobfuscate and recover function names in stripped or obfuscated Go binaries.

When to Use

  • When investigating security incidents that require analyzing golang malware with ghidra
  • When building detection rules or threat hunting queries for this domain
  • When SOC analysts need structured procedures for this analysis type
  • When validating security monitoring coverage for related attack techniques

Prerequisites

  • Ghidra 11.0+ with JDK 17+
  • GoResolver plugin (for function name recovery)
  • Go Reverse Engineering Tool Kit (go-re.tk)
  • Python 3.9+ for helper scripts
  • Understanding of Go runtime internals (goroutines, channels, interfaces)
  • Familiarity with Go binary structure (pclntab, moduledata, itab)

Key Concepts

Go Binary Structure

Go binaries embed rich metadata in the pclntab (PC Line Table) structure, which maps program counters to function names, source files, and line numbers. Even stripped binaries retain this metadata. The moduledata structure contains pointers to type information, itabs (interface tables), and the pclntab itself. Go strings are stored as a pointer-length pair rather than null-terminated C strings.

Function Recovery in Stripped Binaries

Despite stripping symbol tables, Go binaries retain function names within the pclntab. However, obfuscation tools like garble rename functions to random strings. GoResolver addresses this by computing control-flow graph signatures of obfuscated functions and matching them against a database of known Go standard library and third-party package functions.

Read the full file on GitHub · 299 lines

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. 8d ago First seen · 299 lines · 40 tokens per session scan A f20ee7bce0ca

Subscribe to this mod's changes

analyzing-golang-malware-with-ghidra is a skill published in the GitHub repository plurigrid/asi (62 stars, last pushed 2mo ago), licensed MIT. It adds 40 tokens to every session and 2,756 once invoked, about $0.0002 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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