VM/Obfuscation Detection

Detect VMProtect, Themida, UPX, and control flow flattening in binaries.

Updated Aug 6, 2026
One-click install
npx skills add https://github.com/alicangnll/Spectra --skill vm-obfuscation-detection
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: VM/Obfuscation Detection
Source: https://github.com/alicangnll/Spectra/tree/main/spectra/skills/builtins/vm-obfuscation-detection
Command: npx skills add https://github.com/alicangnll/Spectra --skill vm-obfuscation-detection

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires detect_obfuscation, get_deobfuscation_advice, analyze_obfuscated_functions, decompile_function, get_disasm, list_imports, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill identifies and analyzes obfuscation techniques like VMProtect, Themida, UPX, and control flow flattening, making it easier to reverse engineer protected code.

Core Features & Use Cases

  • Automatic Detection: Identifies known packer signatures and obfuscation patterns.
  • Deobfuscation Advice: Recommends tools and strategies for unpacking and deobfuscating code.
  • Function Analysis: Assesses complexity and dispatcher patterns of obfuscated functions.
  • Use Case: When analyzing a suspicious binary that uses complex obfuscation techniques, this Skill helps to uncover the true logic of the binary.

Quick Start

Analyze the binary for obfuscation with the command: 'detect_obfuscation binary.exe'.

Frequently Asked Questions about VM/Obfuscation Detection

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I detect VMProtect and Themida obfuscation in a binary?

To detect VMProtect and Themida obfuscation, this Skill automatically identifies known packer signatures and obfuscation patterns, assessing function complexity and dispatcher patterns to reveal the underlying code logic. It processes static analysis data to pinpoint protection mechanisms.

What is control flow flattening and how does it affect reverse engineering?

Control flow flattening is an obfuscation technique that complicates reverse engineering by obscuring program logic. This Skill identifies such patterns and provides deobfuscation advice, recommending strategies to unpack and analyze the protected binary.

Can I use this Skill to deobfuscate code with IDA Pro or Binary Ninja?

Yes, you can use this Skill with IDA Pro or Binary Ninja. It requires static analysis tools to process binary data, offering decompilation and disassembly capabilities to analyze obfuscated functions and list imports for thorough deobfuscation.

What is the best way to unpack a suspicious binary using static analysis?

The best way to unpack a suspicious binary is to run automatic obfuscation detection to identify packers like UPX, followed by applying the Skill's deobfuscation advice. It recommends specific unpacking tools and strategies based on detected signatures.

Why does deobfuscation fail on highly obfuscated functions during binary analysis?

Deobfuscation may fail when binary analysis encounters complex dispatcher patterns without prior static assessment. This Skill evaluates obfuscated function complexity to provide targeted deobfuscation advice and appropriate unpacking tool suggestions.