cycript的原理是动态库注入,但是其动态库注入的原理,与我们常见的通过LC_LOAD_DYLIB在可执行文件中注入动态库不同. cycript的操作是 :
抓取到要挂载的应用, 由于越狱机上拥有权限,所以直接在挂载的进程上创建一个挂起的线程, 然后在这个线程里申请一片用于加载动态库的内存,
然后恢复线程,动态库就被注入。
越狱的手机上安装cycript
查找进程
ps -e|grep /Application/ 查找MobileNotes
注入进程:
cycript -p MobileNotes
cycript命令:
查看地址对象:
#address
object-c message
_ivarDescription
_shortMethodDescription
nextResponder
_autolayoutTrace
recursiveDescription
_methodDescription
[UIApp description]
_methodDescription
_ivarDescription
这个应该是成员变量
打印当前界面
UIApp.keyWindow.recursiveDescription().toString()
throw new TypeError(`'<UIWindow: 0x12d613ff0; frame = (0 0; 320 568); gestureRecognizers = <NSArray: 0x17005cd10>; layer = <UIWindowLayer: 0x17002fe20>>
| <UILayoutContainerView: 0x1781ba320; frame = (0 0; 320 568); autoresize = W+H; gestureRecognizers = <NSArray: 0x17805e7b0>; layer = <CALayer: 0x170036c40>>
| | <UINavigationTransitionView: 0x1701f0200; frame = (0 0; 320 568); clipsToBounds = YES; autoresize = W+H; layer = <CALayer: 0x170036c00>>
| | | <UIViewControllerWrapperView: 0x17016f240; frame = (0 0; 320 568); autoresize = W+H; layer = <CALayer: 0x170224460>>
| | | | <NotesBackgroundView: 0x1781f4500; frame = (0 0; 320 568); autoresize = W+H; layer = <CALayer: 0x178038120>>
| | | | | <NotesTextureBackgroundView: 0x178192fe0; frame = (0 0; 320 568); autoresize = W+H; layer = <CALayer: 0x1780385c0>>
| | | | | | <NotesTextureView: 0x178193f50; frame = (0 -44; 320 640); layer = <CALayer: 0x178037fc0>>
| | | | | <UIView: 0x17816ed00; frame = (0 0; 320 568); autoresize = W+H; layer = <CALayer: 0x178038340>>
| | | | | | <NotesListTableView: 0x12d83c400; baseClass = UITableView; frame = (0 0; 320 568); clipsToBounds = YES; opaque = NO; autoresize = W+H; gestureRecognizers = <NSArray: 0x178241cb0>; layer = <CALayer: 0x178038060>; contentOffset: {0, -20}>
| | | | | | | <UIView: 0x17016f0c0; frame = (0 -20; 320 568); autoresize = W+H; layer = <CALayer: 0x170224080>>
| | | | | | | <UITableViewWrapperView: 0x17816ee80; frame = (0 0; 320 568); autoresize = W+H; layer = <CALayer: 0x1780388a0>>
| | | | | | | | <NoteCell: 0x12d63bad0; baseClass = UITableViewCell; frame = (0 44; 320 44); opaque = NO; autoresize = W; layer = <CALayer: 0x170225000>>
| | | | | | | | | <UITableViewCellScrollView: 0x12d63bfc0; frame = (0 0; 320 44); autoresize = W+H; gestureRecognizers = <NSArray: 0x1702514c0>; layer = <CALayer: 0x170225060>; contentOffset: {0, 0}>
| | | | | | | | | | <UITableViewCellContentView: 0x17016f540; frame = (0 0; 294.5 43.5); gestureRecognizers = <NSArray: 0x170251760>; layer = <CALayer: 0x170225140>>
| | | | | | | | | | <NoteCellContentView: 0x12d514b30; frame = (0 0; 320 44); opaque = NO; autoresize = W+H; layer = <CALayer: 0x17803ebc0>>
| | | | | | | | | | <_UITableViewCellSeparatorView: 0x1781949e0; frame = (15 43.5; 305 0.5); layer = <CALayer: 0x17803fc40>>
| | | | | | | | | | <UIImageView: 0x1781f3300; frame = (294.5 14; 10.5 15); opaque = NO; userInteractionEnabled = NO; layer = <CALayer: 0x17803ec40>>
| | | | | | | <UILabel: 0x12d516bd0; frame = (0 0; 102
nextResponder找到视图控制器 ViewController
_autolayoutTrace
cy# [#0x1781ba320 _autolayoutTrace].toString()
`
<UIWindow:0x12d613ff0>
| <UILayoutContainerView:0x1781ba320>
| | <UINavigationTransitionView:0x1701f0200>
| | | <UIViewControllerWrapperView:0x17016f240>
| | | | <NotesBackgroundView:0x1781f4500>
| | | | | <NotesTextureBackgroundView:0x178192fe0>
| | | | | | <NotesTextureView:0x178193f50>
| | | | | <UIView:0x17816ed00>
| | | | | | <NotesListTableView:0x12d83c400>
| | | | | | | <UIView:0x17016f0c0>
| | | | | | | <UITableViewWrapperView:0x17816ee80>
| | | | | | | | <NoteCell:0x12d63bad0>
| | | | | | | | | <UITableViewCellScrollView:0x12d63bfc0>
| | | | | | | | | | <UITableViewCellContentView:0x17016f540>
| | | | | | | | | | <NoteCellContentView:0x12d514b30>
| | | | | | | | | | <_UITableViewCellSeparatorView:0x1781949e0>
| | | | | | | | | | <UIImageView:0x1781f3300>
| | | | | | | <UILabel:0x12d516bd0>
| | | | | | | <UISearchBar:0x12d6352a0>
| | | | | | | | <UIView:0x17016ec40>
| | | | | | | | | <UISearchBarBackground:0x12d635bc0>
| | | | | | | | | | <_UIBackdropView:0x12d6379c0>
| | | | | | | | | <UISearchBarTextField:0x12d636b40>
| | | | | | | | | | <_UISearchBarSearchFieldBackgroundView:0x12d528ce0>
| | | | | | | | | | | <_UISearchBarSearchFieldBackgroundView:0x12d636dc0>
| | | | | | | | | | | <_UISearchBarSearchFieldBackgroundView:0x12d636050>
| | | | | | | | | | <UIImageView:0x1781f5500>
| | | | | | | | | | <UISearchBarTextFieldLabel:0x12d639100>
| | | | | | | <_UITableViewCellSeparatorView:0x178194910>
| | | | | | | <_UITableViewCellSeparatorView:0x178194ab0>
| | | | | | | <_UITableViewCellSeparatorView:0x178194b80>
| | | | | | | <_UITableViewCellSeparatorView:0x178194c50>
| | | | | | | <_UITableViewCellSeparatorView:0x178194d20>
| | | | | | | <_UITableViewCellSeparatorView:0x178194df0>
| | | | | | | <_UITableViewCellSeparatorView:0x178194ec0>
| | | | | | | <_UITableViewCellSeparatorView:0x178194f90>
| | | | | | | <_UITableViewCellSeparatorView:0x178195060>
| | | | | | | <_UITableViewCellSeparatorView:0x178195130>
| | | | | | | <_UITableViewCellSeparatorView:0x178195200>
| | | | | | | <_UITableViewCellSeparatorView:0x1781952d0>
| | | | | | | <_UITableViewCellSeparatorView:0x1781953a0>
| | | | | | | <_UITableViewCellSeparatorView:0x178195540>
| | | | | | | <_UITableViewCellSeparatorView:0x1781956e0>
| | | | | | | <_UITableViewCellSeparatorView:0x178195880>
| | | | | | | <_UITableViewCellSeparatorView:0x178195a20>
| | | | | | | <_UITableViewCellSeparatorView:0x178195c90>
| | | | | <NotesTextureBackgroundView:0x178194020>
| | | | | | <NotesTextureView:0x1781940f0>
| | <UINavigationBar:0x12d6145a0>
| | | <_UINavigationBarBackground:0x12d614ea0>
| | | <UINavigationButton:0x12d639e40>
| | | | <UIButtonLabel:0x12d512860>
| | | <_UINavigationBarBackIndicatorView:0x1701f1300>`
cy#
bundleIdentifier 获appid
cy# [[NSBundle mainBundle] bundleIdentifier]
@"com.apple.mobilenotes"