Microsoft Word - iOSAppReverseEngineering.docx

1. Create tweak project “iOSREGreetings” using Theos

Use the following commands to create iOSREGreetings project:

snakeninnysiMac:Code snakeninny$ /opt/theos/bin/nic.pl

NIC 2.0 - New Instance Creator

------------------------------

[1.] iphone/application

[2.] iphone/cydget

[3.] iphone/framework

[4.] iphone/library

[5.] iphone/notification_center_widget

[6.] iphone/preference_bundle

[7.] iphone/sbsettingstoggle

[8.] iphone/tool

[9.] iphone/tweak

[10.] iphone/xpc_service

Choose a Template (required): 9

Project Name (required): iOSREGreetings

Package Name [com.yourcompany.iosregreetings]: com.iosre.iosregreetings

Author/Maintainer Name [snakeninny]: snakeninny

[iphone/tweak] MobileSubstrate Bundle filter [com.apple.springboard]:

com.apple.springboard

[iphone/tweak] List of applications to terminate upon installation (space-separated, '-'

for none) [SpringBoard]:

Instantiating iphone/tweak in iosregreetings/...

Done.

2. Edit Tweak.xm

The edited Tweak.xm looks like this:

%hook SpringBoard

• (void)applicationDidFinishLaunching:(id)application
  {
  %orig;

UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Come to

http://bbs.iosre.com for more fun!" message:nil delegate:self cancelButtonTitle:@"OK"

otherButtonTitles:nil];

[alert show];

[alert release];

}

%end

3. Edit Makefile and control

The edited Makefile looks like this:

export THEOS_DEVICE_IP = iOSIP

export ARCHS = armv7 arm64

export TARGET = iphone:clang:latest:8.0

include theos/makefiles/common.mk

TWEAK_NAME = iOSREGreetings