Dynamic Analysis Tools

Dynamic Analysis Tools

Dynamic analysis tools test running applications to identify runtime vulnerabilities and behavior issues.

MobSF (Mobile Security Framework) Integration:

// iOS - Automated MobSF integration
class MobSFIntegration {
    private let apiKey: String
    private let serverURL: String
    
    init(apiKey: String, serverURL: String = "http://localhost:8000") {
        self.apiKey = apiKey
        self.serverURL = serverURL
    }
    
    func uploadAndScan(ipaPath: String) async throws -> ScanReport {
        // Upload IPA file
        let uploadURL = URL(string: "\(serverURL)/api/v1/upload")!
        var request = URLRequest(url: uploadURL)
        request.httpMethod = "POST"
        request.setValue(apiKey, forHTTPHeaderField: "Authorization")
        
        let fileData = try Data(contentsOf: URL(fileURLWithPath: ipaPath))
        let boundary = UUID().uuidString
        
        request.setValue("multipart/form-data; boundary=\(boundary)", 
                        forHTTPHeaderField: "Content-Type")
        
        let body = createMultipartBody(
            fileData: fileData,
            boundary: boundary,
            fileName: URL(fileURLWithPath: ipaPath).lastPathComponent
        )
        
        request.httpBody = body
        
        let (data, _) = try await URLSession.shared.data(for: request)
        let uploadResponse = try JSONDecoder().decode(UploadResponse.self, from: data)
        
        // Start scan
        return try await startScan(fileHash: uploadResponse.hash)
    }
    
    private func startScan(fileHash: String) async throws -> ScanReport {
        let scanURL = URL(string: "\(serverURL)/api/v1/scan")!
        var request = URLRequest(url: scanURL)
        request.httpMethod = "POST"
        request.setValue(apiKey, forHTTPHeaderField: "Authorization")
        request.setValue("application/json", forHTTPHeaderField: "Content-Type")
        
        let scanRequest = ["hash": fileHash]
        request.httpBody = try JSONEncoder().encode(scanRequest)
        
        let (data, _) = try await URLSession.shared.data(for: request)
        
        // Poll for results
        return try await pollForResults(fileHash: fileHash)
    }
    
    struct ScanReport: Codable {
        let hash: String
        let securityScore: Int
        let vulnerabilities: [Vulnerability]
        let permissions: [Permission]
        let networkCalls: [NetworkCall]
        let cryptoIssues: [CryptoIssue]
    }
}

Frida for Runtime Analysis:

// Android - Frida integration for dynamic analysis
class FridaIntegration {
    
    companion object {
        init {
            System.loadLibrary("frida-gadget")
        }
    }
    
    // Frida script for SSL pinning bypass (for testing only!)
    private val sslPinningBypassScript = """
        Java.perform(function() {
            // OkHttp3
            try {
                var CertificatePinner = Java.use('okhttp3.CertificatePinner');
                CertificatePinner.check.overload('java.lang.String', 'java.util.List').implementation = function() {
                    console.log('OkHttp3 SSL Pinning Bypassed');
                    return;
                };
            } catch (e) {
                console.log('OkHttp3 not found');
            }
            
            // TrustManager
            try {
                var TrustManager = Java.use('javax.net.ssl.X509TrustManager');
                TrustManager.checkServerTrusted.implementation = function() {
                    console.log('TrustManager SSL check bypassed');
                    return;
                };
            } catch (e) {
                console.log('TrustManager not found');
            }
        });
    """.trimIndent()
    
    // Frida script for method tracing
    private val methodTracingScript = """
        Java.perform(function() {
            var targetClass = Java.use('com.example.app.SecurityManager');
            
            targetClass.encrypt.implementation = function(data) {
                console.log('encrypt() called with: ' + data);
                var result = this.encrypt(data);
                console.log('encrypt() returned: ' + result);
                return result;
            };
            
            // Trace all methods
            var methods = targetClass.class.getDeclaredMethods();
            methods.forEach(function(method) {
                var methodName = method.getName();
                
                targetClass[methodName].implementation = function() {
                    console.log(methodName + '() called');
                    return this[methodName].apply(this, arguments);
                };
            });
        });
    """.trimIndent()
    
    fun attachToProcess(packageName: String, script: String) {
        // This would typically use Frida's Java/Python API
        // Simplified for demonstration
        println("Attaching Frida to $packageName")
        println("Injecting script: $script")
    }
}