Where is library mobilesubstrate dynamiclibraries

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Improve this question. Add a comment. Active Oldest Votes. Detection can be carried out on multi-levels: Check if URLs are openable via illegal URL schemes Check if files are openable on illegal directories Check if illegal files exist incl. Note that if you are hooking a class method, you have to put a meta-class in the class argument, e. Because we want the pointer to a private symbol we have to use nlist.

However you should not be doing it this way, as it is not portable to other platforms and later versions of iOS. An extension should use constructor code to perform any works, e. Developers may add filters to restrict whether the extension should be loaded or not. Filters are implemented as plist that lives beside the dylib.

If the dylib is named foo. The filter should be a dictionary with key Filter , which is another dictionaries that can contain these keys:.

For example, to restrict the extension only load in SpringBoard , the plist would look like. You can also use this method to restrict the extension to only load into applications that link to a specific bundle, such as UIKit.

For example:. You can use CoreFoundationVersion key and specify lower- and upper-bounds. When two values are in the array, the first is treated as greater-than-or-equal-to rule, while the second is a less-than rule. The following example shows loading restricted to firmwares from 4.

And how can I avoid logging keys in my application, if there is iKeyMonitor for example installed on device? Of course it requires MobileSubstrate. In the plists there is only com. Even if I don't use the default keyboard view in my app for editing a UITextField , the keylogger still works.

After using class-dump for SpringBoard. After using class-dump for MobileSafe. How can the SpringBoard that is in plist com. What is the general difference between MobileLoader and MobileHooker? At what moment will changes from MobileHooker will be applied to my system?