The android-overlay-malware-example's discuss from geeksonsecurity

android-overlay-malware-example's Issues

getRunningApps doesn't work on Android 5.1.1 anymore

Need to move to UsageStatsManager and the user should grant permission manually (for demo purpose of course)

Implement foreground app detection using UsageStatsManager

So it supports Android 7/8, similarly to how MisteryBot / ExoBot do (source: https://www.threatfabric.com/blogs/mysterybot__a_new_android_banking_trojan_ready_for_android_7_and_8.html)

@TargetApi(value = 21) 
public void getLastUsedApplication() { 
    try { 
        do { 
            label_0: 
            TimeUnit.MILLISECONDS.sleep(1000); 
            gotolabel_8; 
        } while (true); 
    } catch (InterruptedException interruptedException) { 
        try { 
            interruptedException.printStackTrace(); 
            label_8: 
            Object usageStatsManager = this.getSystemService("usagestats"); 
            long epochTime = System.currentTimeMillis(); 
            List usageStatsList = ((UsageStatsManager) usageStatsManager).queryUsageStats(0, epochTime - 10000, epochTime); 
            if (usageStatsList == null || usageStatsList.size() <= 0) { 
                gotolabel_0; 
            }
            TreeMap sortedMap = new TreeMap(); 
            Iterator usageStatsListIterator = usageStatsList.iterator(); 
            while (usageStatsListIterator.hasNext()) { 
                Object usageStats = usageStatsListIterator.next(); 
                ((SortedMap) sortedMap).put(Long.valueOf(((UsageStats) usageStats).getLastTimeUsed()), usageStats); 
            }

            if (((SortedMap) sortedMap).isEmpty()) { 
                gotolabel_0; 
            }

            String packageName = ((SortedMap) sortedMap).get(((SortedMap) sortedMap).lastKey()).getPackageName(); 
            PrintStream printStream = System.out; 
            StringBuilder output = new StringBuilder().insert(0, "Total:================ ")); 
            output.append(packageName); 
            printStream.println(output.toString()); 
            gotolabel_0; 
        } catch (Exception ex) { 
            ex.printStackTrace(); 
            return; 
        } 
    }
}

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