LibRadar

LibRadar is a tool made by Operating System Laboratory of Peking University that is able to detect third-party libraries used in an Android app accurately and instantly.
Motivation
As third-party libraries are widely used in Android apps, program analysis on Android apps typically needs to detect or remove third-party libraries first in order to function correctly or provide accurate results. However, most previous studies employ a whitelist of package names of known libraries, which is incomplete and unable to deal with obfuscation.
Features
LibRadar detects libraries based on static API features that are not obfuscated in most cases. After analyzing one million free Android apps from Google Play, we have identified all possible libraries and collected their unique features. Based on these features, LibRadar can detect third-party libraries in a given Android app within seconds, as it only requires simple static analysis and fast comparison.
Access
LibRadar is available for public use at http://radar.pkuos.org.

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