analyze_malware.js

// Comprehensive malware analysis script
const fs = require('fs');

console.log('=== VIRUS.JS MALWARE ANALYSIS ===\n');

// Read the file
const code = fs.readFileSync('virus.js', 'utf8');

// Analysis results
const analysis = {
    obfuscationTechniques: [],
    suspiciousPatterns: [],
    targetedData: [],
    networkActivity: [],
    fileOperations: []
};

// 1. Identify obfuscation techniques
if (code.match(/_0x[a-f0-9]+/g)) {
    analysis.obfuscationTechniques.push('Hexadecimal function/variable naming');
}
if (code.match(/\[0x[a-f0-9]+\]/g)) {
    analysis.obfuscationTechniques.push('Hexadecimal array indexing');
}
if (code.match(/parseInt\([^)]+\)\s*[+\-*/]/g)) {
    analysis.obfuscationTechniques.push('Complex arithmetic operations for control flow');
}
if (code.match(/!!\[\]/)) {
    analysis.obfuscationTechniques.push('Boolean obfuscation (!![] = true)');
}

// 2. Extract suspicious patterns
const patterns = {
    fileReading: /fs\.(readFile|readFileSync|createReadStream)/g,
    fileCopying: /fs\.(copyFile|copyFileSync)/g,
    networking: /(require\(['"]request['"]|http|https|axios)/g,
    systemInfo: /(hostname|platform|homedir|tmpdir)/g,
    browserPaths: /(chrome|brave|opera|firefox|edge)/gi,
    cryptoWallets: /(wallet|solana|metamask|phantom|bitcoin|ethereum)/gi,
    extensions: /\.(ldb|log|sqlite|json)/g
};

for (const [category, pattern] of Object.entries(patterns)) {
    const matches = code.match(pattern);
    if (matches) {
        analysis.suspiciousPatterns.push({
            category,
            count: matches.length,
            samples: [...new Set(matches)].slice(0, 3)
        });
    }
}

// 3. Extract visible strings that might indicate targets
const browserTargets = code.match(/(Local Storage|Login Data|Cookies|Web Data|History)/g);
if (browserTargets) {
    analysis.targetedData.push('Browser data: ' + [...new Set(browserTargets)].join(', '));
}

const walletTargets = code.match(/(id\.json|wallet\.dat|keystore)/g);
if (walletTargets) {
    analysis.targetedData.push('Cryptocurrency wallets: ' + [...new Set(walletTargets)].join(', '));
}

// 4. Look for base64 encoded content
const base64Pattern = /[A-Za-z0-9+/]{20,}={0,2}/g;
const base64Matches = code.match(base64Pattern);
if (base64Matches) {
    analysis.suspiciousPatterns.push({
        category: 'Base64 encoded content',
        count: base64Matches.length,
        note: 'May contain encoded payloads or URLs'
    });
}

// 5. Extract visible IPs or domains
const urlPattern = /https?:\/\/[^\s'"]+|[\d]{1,3}\.[\d]{1,3}\.[\d]{1,3}\.[\d]{1,3}/g;
const urls = code.match(urlPattern);
if (urls) {
    analysis.networkActivity = [...new Set(urls)];
}

// Print analysis results
console.log('1. OBFUSCATION TECHNIQUES:');
analysis.obfuscationTechniques.forEach(tech => console.log(`   - ${tech}`));

console.log('\n2. SUSPICIOUS PATTERNS:');
analysis.suspiciousPatterns.forEach(({category, count, samples}) => {
    console.log(`   - ${category}: ${count} occurrences`);
    if (samples) {
        samples.forEach(s => console.log(`     • ${s}`));
    }
});

console.log('\n3. TARGETED DATA:');
analysis.targetedData.forEach(target => console.log(`   - ${target}`));

console.log('\n4. NETWORK ACTIVITY:');
analysis.networkActivity.forEach(url => console.log(`   - ${url}`));

// 6. Behavioral analysis
console.log('\n5. BEHAVIORAL ANALYSIS:');
console.log('   Based on the code patterns, this malware appears to:');
console.log('   - Steal browser data (passwords, cookies, history)');
console.log('   - Target cryptocurrency wallets');
console.log('   - Collect system information');
console.log('   - Exfiltrate data to remote servers');
console.log('   - Use heavy obfuscation to evade detection');

// 7. Known extension IDs (crypto wallets)
const knownExtensions = [
    'nkbihfbeogaeaoehlefnkodbefgpgknn', // MetaMask
    'aeachknmefphepccionboohckonoeemg', // Coin98
    'fhbohimaelbohpjbbldcngcnapndodjp', // Binance Chain
    'odbfpeeihdkbihmopkbjmoonfanlbfcl', // Brave Wallet
    'hpglfhgfnhbgpjdenjgmdgoeiappafln', // Guarda
    'blnieiiffboillknjnepogjhkgnoapac', // MEW CX
    'nanjmdknhkinifnkgdcggcfnhdaammmj', // GuildWallet
    'nphplpgoakhhjchkkhmiggakijnkhfnd', // Ton Crystal
    'cgeeodpfagjceefieflmdfphplkenlfk', // EVER Wallet
    'pdadjkfkgcafgbceimcpbkalnfnepbnk', // KardiaChain
];

const foundExtensions = knownExtensions.filter(ext => code.includes(ext));
if (foundExtensions.length > 0) {
    console.log('\n6. DETECTED CRYPTO WALLET EXTENSIONS:');
    foundExtensions.forEach(ext => {
        const walletName = {
            'nkbihfbeogaeaoehlefnkodbefgpgknn': 'MetaMask',
            'aeachknmefphepccionboohckonoeemg': 'Coin98',
            'fhbohimaelbohpjbbldcngcnapndodjp': 'Binance Chain Wallet',
            'odbfpeeihdkbihmopkbjmoonfanlbfcl': 'Brave Wallet',
            'hpglfhgfnhbgpjdenjgmdgoeiappafln': 'Guarda',
            'blnieiiffboillknjnepogjhkgnoapac': 'MEW CX',
            'nanjmdknhkinifnkgdcggcfnhdaammmj': 'GuildWallet',
            'nphplpgoakhhjchkkhmiggakijnkhfnd': 'Ton Crystal Wallet',
            'cgeeodpfagjceefieflmdfphplkenlfk': 'EVER Wallet',
            'pdadjkfkgcafgbceimcpbkalnfnepbnk': 'KardiaChain'
        };
        console.log(`   - ${ext} (${walletName[ext] || 'Unknown wallet'})`);
    });
}

// Save detailed analysis
fs.writeFileSync('malware_analysis.json', JSON.stringify(analysis, null, 2));
console.log('\n\nDetailed analysis saved to malware_analysis.json');

console.log('\n=== IMPACT ASSESSMENT ===');
console.log('This malware is designed to:');
console.log('1. Steal sensitive browser data including:');
console.log('   - Saved passwords');
console.log('   - Cookies and session tokens');
console.log('   - Browsing history');
console.log('   - Autofill data');
console.log('');
console.log('2. Target cryptocurrency assets by:');
console.log('   - Stealing wallet files');
console.log('   - Extracting browser extension data');
console.log('   - Looking for private keys and seed phrases');
console.log('');
console.log('3. Gather system information for:');
console.log('   - Victim identification');
console.log('   - Further targeted attacks');
console.log('');
console.log('4. Data exfiltration through:');
console.log('   - HTTP/HTTPS requests to C&C servers');
console.log('   - Potential use of legitimate services as proxies');