Introspy is a Blackbox tool to help understand what an iOS application is doing at runtime and assist in the identification of potential security issues.
This is the repository for the Introspy-iOS tracer.
The tracer can be installed on a jailbroken device to hook and log security-sensitive iOS APIs called by applications running on the device. The tool records details of relevant API calls, including arguments and return values and persists them in a database. Additionally, the calls are also sent to the Console for real-time analysis.
The database can then be fed to Introspy-Analyzer, a Python script to generate HTML reports containing the list of logged function calls as well as a list of potential vulnerabilities affecting the application.
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The tracer will only run on a jailbroken device. Using Cydia, make sure the following packages are installed:
Download and copy the Debian package to the device; install it:
scp <package.deb> root@<device_ip>:~
ssh root@<device_ip>
dpkg -i <package.deb>
Respring the device:
killall -HUP SpringBoard
There should be two new menus in the device’s Settings. The Apps menu allows you to select which applications will be profiled while the Settings menu defines which API groups are being hooked.
Finally, kill and restart the App you want to monitor.
dpkg -r com.isecpartners.introspy
The tracer will store data about API calls made by applications in a database stored on the device (actually one in each application’s folder). This database can be fed to a Python script call Introspy-Analyzer in order to generate HTML reports that make it a lot easier to review the data collected by the tracer. The script will also analyze and flag dangerous API calls in order to facilitate the process of identifying vulnerabilities within iOS applications.
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