Month February 2023

Lifecycle of ActivityManagerService Startup The lifecycle of ActivityManagerService begins with the following call in SystemServer. startBootstrapServices(){ […] traceBeginAndSlog(“StartActivityManager”); mActivityManagerService = mSystemServiceManager.startService( ActivityManagerService.Lifecycle.class).getService() } source:  : 510 Some of the core Services also where instantiated there and therefore belong to that…

Bypass Reflection restrictions Since API level 28 Android forbids access to some hidden API functions (see: ). Lots of required functions used by the POC are black listed and threw exceptions while trying to access them via the Reflection API.…

Introduction The ActivityManagerService () is a component of Android that manages the Running Applications, non-system Services, ContentProviders and much more. The StartFlag DoS Exploit sends a manipulated startActivity event telling to start another Application in “native debugging” mode (in our…

The process below shows how to start an Activity that is not registered in the AndroidManifest.xml (). The Default Process Let’s say we have two Activities and call them Activity A and Activity B. In our scenario Activity A is…

pentest Android Services An App intended for fuzzing the Binder interface and System Services of Android. You can use this Project in order to find bugs and exploits inside the Binder interface or System Services. Description BinderFuzzy is a fuzzer…