Match receiver indicators by package ID (#836)

tests/android_bugreport/test_bugreport.py

@@ -9,6 +9,7 @@ from pathlib import Path
 from mvt.android.modules.bugreport.dumpsys_appops import DumpsysAppops
 from mvt.android.modules.bugreport.dumpsys_getprop import DumpsysGetProp
 from mvt.android.modules.bugreport.dumpsys_packages import DumpsysPackages
+from mvt.android.modules.bugreport.dumpsys_receivers import DumpsysReceivers
 from mvt.android.modules.bugreport.tombstones import Tombstones
 from mvt.common.module import run_module
 
@@ -60,6 +61,31 @@ class TestBugreportAnalysis:
         m = self.launch_bug_report_module(DumpsysGetProp)
         assert len(m.results) == 0
 
+    def test_receivers_match_exact_package_name(self, indicators_factory):
+        intent = "android.intent.action.PHONE_STATE"
+        false_positive = {
+            "package_name": "com.android.phone",
+            "receiver": (
+                "com.android.phone/"
+                "com.android.services.telephony.sip.SipIncomingCallReceiver"
+            ),
+        }
+        malicious_receiver = {
+            "package_name": "com.android.services",
+            "receiver": "com.android.services/com.example.SomeReceiver",
+        }
+        module = DumpsysReceivers(
+            results={intent: [false_positive, malicious_receiver]}
+        )
+        module.indicators = indicators_factory(app_ids=["com.android.services"])
+
+        module.check_indicators()
+
+        assert len(module.alertstore.alerts) == 1
+        alert = module.alertstore.alerts[0]
+        assert alert.event == {intent: malicious_receiver}
+        assert alert.matched_indicator.value == "com.android.services"
+
     def test_tombstones_modules(self):
         m = self.launch_bug_report_module(Tombstones)
         assert len(m.results) == 2