# Download from official source only
# Visit https://www.avast.com/
# Use official free version or purchase legitimate license

// Example: Analyzing antivirus behavior in controlled environment
// Use virtual machines and isolated networks

#include <windows.h>
#include <iostream>

// Monitor process behavior (educational)
class AVBehaviorMonitor {
public:
    void analyzeFileScanning() {
        // Research how AV scans files
        std::cout << "Analyzing file scanning patterns" << std::endl;
    }
    
    void studyRealTimeProtection() {
        // Study real-time protection mechanisms
        std::cout << "Examining real-time protection hooks" << std::endl;
    }
};

// Use open-source antivirus engines for research
// ClamAV - Open source antivirus engine
// YARA - Pattern matching for malware research

#include <clamav.h>

class LegitimateSecurityResearch {
public:
    void initializeClamAV() {
        // Use ClamAV for legitimate malware scanning research
        struct cl_engine *engine;
        cl_init(CL_INIT_DEFAULT);
        engine = cl_engine_new();
        
        // Load virus database
        // cl_load(cl_retdbdir(), engine, NULL, CL_DB_STDOPT);
    }
};

// Proper malware analysis environment setup
class SecureAnalysisEnvironment {
private:
    bool isVirtualMachine() {
        // Check if running in VM
        return true; // Implement VM detection
    }
    
    bool isNetworkIsolated() {
        // Verify network isolation
        return true; // Implement network check
    }
    
public:
    bool setupSafeEnvironment() {
        if (!isVirtualMachine()) {
            std::cerr << "ERROR: Must run in isolated VM" << std::endl;
            return false;
        }
        
        if (!isNetworkIsolated()) {
            std::cerr << "ERROR: Network must be isolated" << std::endl;
            return false;
        }
        
        return true;
    }
};

// Using open-source security tools
#include <yara.h>

class MalwareResearchTools {
public:
    void useYARA() {
        // YARA for pattern matching
        yr_initialize();
        
        YR_COMPILER* compiler;
        yr_compiler_create(&compiler);
        
        // Add rules for malware detection
        // yr_compiler_add_file(compiler, rules_file, NULL, NULL);
        
        yr_compiler_destroy(compiler);
        yr_finalize();
    }
    
    void analyzeWithCuckoo() {
        // Cuckoo Sandbox for automated malware analysis
        std::cout << "Use Cuckoo Sandbox for safe analysis" << std::endl;
    }
};

// Study antivirus detection techniques
class AVDetectionTechniques {
public:
    void signatureBasedDetection() {
        // Learn about signature-based detection
        // Hash-based identification
        // Pattern matching algorithms
    }
    
    void heuristicAnalysis() {
        // Study heuristic detection methods
        // Behavioral analysis
        // Anomaly detection
    }
    
    void machineLearningDetection() {
        // Modern ML-based malware detection
        // Neural networks for threat detection
        // Feature extraction from executables
    }
};

// Framework for ethical security research
class EthicalSecurityResearch {
private:
    std::string researchPurpose;
    bool hasAuthorization;
    bool usesLegitimateTools;
    
public:
    bool validateResearchEthics() {
        // Ensure research is:
        // 1. Legal
        // 2. Authorized
        // 3. Uses legitimate tools
        // 4. For educational/defensive purposes only
        
        return hasAuthorization && 
               usesLegitimateTools && 
               !researchPurpose.empty();
    }
    
    void conductResponsibleResearch() {
        if (!validateResearchEthics()) {
            std::cerr << "Research does not meet ethical standards" << std::endl;
            return;
        }
        
        // Proceed with legitimate research
    }
};