The Concept Drift Problem in Android Malware Detection and Its Solution

Table 3

Features selected by the NBCS algorithm before and after the occurrence of concept drift.

Permission	Action	Code
ACCESS_WIFI_STATE	android.intent.action.VIEW	SmsManager
INSTALL_PACKAGES	android.intent.action.DIAL	getSimSerialNumber
INSTALL_SHORTCUT	android.intent.action.CALL	chmod
READ_HISTORY_BOOKMARKS	android.intent.action.SENDTO	abortBroadcast
READ_PHONE_STATE	android.intent.action.SEND	getLine1Number
READ_SMS	android.intent.action.WEB_SEARCH	/system/bin
RECEIVE_SMS	android.intent.action.SCREEN_OFF	getSimOperator
SEND_SMS	android.intent.action.SCREEN_ON	mount
UNINSTALL_SHORTCUT	android.intent.action.USER_PRESENT	KeySpec
WRITE_HISTORY_BOOKMARKS	android.intent.action.BOOT_COMPLETED	getNetworkOperator
	android.intent.action.PACKAGE_ADDED	SecretKey
	android.intent.action.BATTERY_CHANGED