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Malware Analysis & Sandboxing

An end-to-end malware analysis playbook covering static and dynamic triage, YARA rule authoring, and safe sandbox setup.

Security & ReviewAdvanced39775AI score 9/10Last updated: Sep 3, 2026

What it does

  • Static analysis pipeline: file identification and hashing → threat-intel lookups (VirusTotal, MalwareBazaar) → PE imports, strings and entropy interpretation.
  • Suspicious API reference: Windows APIs grouped by intent (process injection, persistence, anti-analysis, C2, keylogging, defense evasion) so an import table alone hints at capability.
  • YARA rule generation: three tiered templates (hash-specific, family-level strings, network IOC) plus guidance on testing rules against clean binaries to avoid false positives.
  • Behavioral report reading: extracts process-tree anomalies, DGA domains, beacon intervals, Run-key persistence and shadow-copy deletion from Cuckoo/CAPE output and maps them to MITRE ATT&CK.
  • Sandbox build guide: host-only networking, snapshots, FakeNet-NG/INetSim, Regshot, Autoruns, plus anti-anti-VM hardening tips.
  • Standard report format: hashes, classification, confidence, network/host IOCs and ATT&CK mapping.

Who it's for

  • SOC analysts, incident responders and threat-intel researchers
  • Detection engineers writing their first YARA rules who need false-positive discipline
  • Security learners building a safe home malware-analysis lab

Example uses

  1. "Do a static analysis of this exe" → hashes computed, imports/strings/entropy interpreted, packing and suspicious capabilities summarized.
  2. "Write a family-level YARA rule from these infostealer samples" → Tier 2 rule from shared strings and mutexes, plus commands to verify zero hits on clean binaries.
  3. "Interpret this CAPE report" → classifies the sample as ransomware from the process tree and vssadmin usage, and emits IOCs with T1490 ATT&CK mapping.

· · · Install guide · · ·

Try it now, no install

Paste this into Claude to use the skill without installing anything.

Read the instructions in this file and follow them to help me:
https://raw.githubusercontent.com/Masriyan/Claude-Code-CyberSecurity-Skill/HEAD/skills/05-malware-analysis/SKILL.md

What I want: (describe your task here)

If Claude can't open the link, open it yourself and paste the contents instead.

If it works for you, download the ZIP below and install it. Then it runs on its own — no pasting each time.

Install in the Claude app (no terminal)
  1. Download the ZIP with the button below.
  2. In Claude, open Settings → Capabilities and turn on 'Code execution and file creation'. (one time)
  3. Go to Customize → Skills → + → 'Upload a skill' and upload the ZIP.
Download ZIP
Install in Claude Code

Let Claude do it — paste this into Claude Code

Install the skill I found on Claude Skill Mart.
Copy the skills/05-malware-analysis folder from the GitHub repo Masriyan/Claude-Code-CyberSecurity-Skill into my ~/.claude/skills/malware-analysis-sandboxing/.
When it's done, tell me in one line what this skill can do.

Install with a command instead

git clone https://github.com/Masriyan/Claude-Code-CyberSecurity-Skill.git && mkdir -p ~/.claude/skills && cp -r Claude-Code-CyberSecurity-Skill/skills/05-malware-analysis ~/.claude/skills/malware-analysis

This is a third-party skill. Check the source repository before installing.

  1. Open a terminal and clone the repo: git clone https://github.com/Masriyan/Claude-Code-CyberSecurity-Skill.git
  2. Create the skills directory if needed: mkdir -p ~/.claude/skills
  3. Copy just this skill: cp -r Claude-Code-CyberSecurity-Skill/skills/05-malware-analysis ~/.claude/skills/malware-analysis
  4. Install the Python dependencies: pip install yara-python pefile python-magic requests ssdeep
  5. (Optional) Install external tooling such as the YARA CLI, ssdeep and Volatility 3 via your OS package manager.
  6. Before any analysis: handle real samples only inside an isolated VM with no internet access, and take a snapshot first.
  7. Restart Claude Code, then ask something like "statically analyze this suspicious file" or "generate a YARA rule" to trigger the skill.