This is not the mitigation code but a reference code on how to mitigate.
import Foundation
import MachO.dlfcn
class JailbreakMitigation {
// MARK: - Jailbreak Detection
func checkForJailbreak() {
if isJailbroken() {
handleJailbreakDetected()
} else {
continueAppExecution()
}
}
private func isJailbroken() -> Bool {
if isCydiaInstalled() ||
isSuspiciousAppInstalled() ||
isJailbreakFileExists() ||
isSuspiciousLibraryLoaded() ||
isFridaDetected() ||
isObjectionDetected() ||
isTamperingDetected() ||
isShadowInstalledViaCydia() {
return true
}
return false
}
private func isCydiaInstalled() -> Bool {
return FileManager.default.fileExists(atPath: "/Applications/Cydia.app")
}
private func isSuspiciousAppInstalled() -> Bool {
// Implement checks for suspicious app installation
// Example: Check for the presence of known jailbreak-related apps or packages
return false
}
private func isJailbreakFileExists() -> Bool {
// Implement checks for the existence of known jailbreak files
// Example: Check for the presence of known jailbreak-related files or directories
return false
}
private func isSuspiciousLibraryLoaded() -> Bool {
// Implement checks for suspicious library loading
// Example: Check for the presence of known jailbreak-related libraries or dynamic frameworks
return false
}
private func isFridaDetected() -> Bool {
// Implement checks for Frida detection
// Example: Check for known indicators of Frida presence or communication
return false
}
private func isObjectionDetected() -> Bool {
// Implement checks for Objection detection
// Example: Check for known indicators of Objection presence or communication
return false
}
private func isTamperingDetected() -> Bool {
// Implement checks for tampering detection
// Example: Check for runtime integrity violations, modified code signatures, etc.
return false
}
private func isShadowInstalledViaCydia() -> Bool {
let cydiaPackagesPath = "/var/lib/dpkg/status"
guard let fileContents = try? String(contentsOfFile: cydiaPackagesPath, encoding: .utf8) else {
return false
}
return fileContents.contains("jjolano.me") && fileContents.contains("Shadow")
}
// MARK: - Prevention Measures
func preventHookingFilePaths() {
// Implement measures to prevent hooking of file paths
// Example: Use encrypted or obfuscated file paths to make hooking difficult
}
func preventDynamicLibraryLoading() {
unsetenv("DYLD_INSERT_LIBRARIES")
let handle = dlopen(nil, RTLD_GLOBAL | RTLD_NOW)
if handle != nil {
dlclose(handle)
handleJailbreakDetected()
}
}
func preventURLHandlerManipulation() {
let registeredHandlers = UserDefaults.standard.array(forKey: "CFBundleURLTypes")
if let handlers = registeredHandlers {
for handler in handlers {
if let handlerDict = handler as? [String: Any] {
if isSuspiciousURLHandler(handlerDict) {
handleJailbreakDetected()
}
}
}
}
}
private func isSuspiciousURLHandler(_ handlerDict: [String: Any]) -> Bool {
// Implement the validation logic for URL handlers
// Check for any suspicious or unauthorized URL handler
// Example validation: Check if the URL scheme or identifier is unauthorized or blacklisted
if let scheme = handlerDict["CFBundleURLSchemes"] as? [String] {
for urlScheme in scheme {
// Check if the URL scheme is unauthorized or blacklisted
if isUnauthorizedURLScheme(urlScheme) {
return true
}
}
}
// Check other criteria for suspicious URL handlers
// ...
return false
}
private func isUnauthorizedURLScheme(_ urlScheme: String) -> Bool {
// Implement the check for unauthorized or blacklisted URL schemes
// Return true if the URL scheme is unauthorized or blacklisted, false otherwise
return false
}
func preventEnvironmentVariableManipulation() {
let environmentVariables = ProcessInfo.processInfo.environment
for (variable, value) in environmentVariables {
if isUnauthorizedEnvironmentVariable(variable, value) {
handleJailbreakDetected()
}
}
}
private func isUnauthorizedEnvironmentVariable(_ variable: String, _ value: String) -> Bool {
// Implement the check for unauthorized or suspicious environment variables
// Return true if the environment variable is unauthorized or suspicious, false otherwise
return false
}
func preventFoundationFrameworkSwizzling() {
// Prevent swizzling of methods in the Foundation framework
// Implement the necessary prevention measures
// Example: Method swizzling detection and prevention
}
func preventRuntimeSymbolLookups() {
// Prevent runtime symbol lookups using dlsym
// Implement the necessary prevention measures
// Example: Use encrypted or obfuscated symbols to make runtime symbol lookups difficult
}
func preventAntiDebuggingMethods() {
// Implement measures to prevent common anti-debugging techniques
// Example: Check for debugger presence using task_info or ptrace
}
func preventPrivateSyscalls() {
// Implement measures to prevent the usage of private syscalls
// Example: Check for usage of private syscalls using syscall or syscallptr
}
func preventDetectionFrameworks() {
// Implement measures to prevent the detection frameworks
// Example: Check for the presence of known detection frameworks and take appropriate actions
}
// MARK: - RASP (Runtime Application Self-Protection)
func protectFiles() {
// Implement file protection using RASP techniques
// Example: Encrypt sensitive files, apply file integrity checks, etc.
}
func protectURLHandlers() {
// Implement URL handler protection using RASP techniques
// Example: Encrypt URL handler configurations, validate integrity, etc.
}
func protectEnvironmentVariables() {
// Implement environment variable protection using RASP techniques
// Example: Encrypt environment variable values, validate integrity, etc.
}
func protectFoundationFramework() {
// Implement Foundation framework protection using RASP techniques
// Example: Apply runtime integrity checks, prevent method swizzling, etc.
}
func protectRuntimeSymbolLookups() {
// Implement runtime symbol lookup protection using RASP techniques
// Example: Encrypt or obfuscate symbols, validate integrity, etc.
}
func protectAntiDebuggingMethods() {
// Implement anti-debugging protection using RASP techniques
// Example: Apply anti-debugging techniques, detect debugger presence, etc.
}
func protectPrivateSyscalls() {
// Implement private syscall protection using RASP techniques
// Example: Prevent usage of private syscalls, detect unauthorized syscalls, etc.
}
func protectDetectionFrameworks() {
// Implement detection framework protection using RASP techniques
// Example: Detect and prevent known detection frameworks, obfuscate runtime behavior, etc.
}
// MARK: - Helper Methods
private func handleJailbreakDetected() {
// Implement the action to be taken when jailbreak, bypass app, hooking, Frida, Objection, tampering, or Shadow is detected
print("Jailbreak, bypass app, hooking, Frida, Objection, tampering, or Shadow detected. Terminating the app.")
exit(0)
}
private func continueAppExecution() {
// Continue with normal app execution
print("App execution continued.")
}
}
// Usage example
let mitigation = JailbreakMitigation()
mitigation.checkForJailbreak()
mitigation.protectFiles()
mitigation.protectURLHandlers()
mitigation.preventHookingFilePaths()
mitigation.preventDynamicLibraryLoading()
mitigation.protectEnvironmentVariables()
mitigation.preventURLHandlerManipulation()
mitigation.preventEnvironmentVariableManipulation()
mitigation.protectFoundationFramework()
mitigation.preventFoundationFrameworkSwizzling()
mitigation.protectRuntimeSymbolLookups()
mitigation.preventRuntimeSymbolLookups()
mitigation.protectAntiDebuggingMethods()
mitigation.preventAntiDebuggingMethods()
mitigation.protectPrivateSyscalls()
mitigation.preventPrivateSyscalls()
mitigation.protectDetectionFrameworks()
mitigation.preventDetectionFrameworks()
Please note that while the code aims to provide a foundation for implementing jailbreak detection, prevention, and RASP techniques, it's crucial to adapt and customize it based on your specific requirements, security needs, and the latest jailbreak detection/prevention techniques. Use any RASP service provider. Talsec has an free RASP profile.