Linked Questions

2
votes
2answers
10k views

How to view network traffic requested by a specific app?

There are lots of discussion on how to see which app is requesting network connection. I have tried the following apps: tcapturepacket wifi monitor connection tracker However, none of them was ...
2
votes
1answer
2k views

Why reading permission to /proc/1/maps is denied and why doesn't the denial appear in logcat?

I'm developing a native app for Android, and I'm occasionally confronted with permission denied which doesn't trigger a log in the logcat logs. For example, trying to run: shell@kltevzw:/ $ cat /proc/...
0
votes
2answers
2k views

Directory named with random characters automatically (re)created in SD card? Could this be a malware?

Lately, I've seen that a directory with what seems to be a random name (like Z0tQWDVmQmoyRUxVSWdBU2pwNzAxMzc1Mw) is present in the local storage (/sdcard) of my Samsung Galaxy S5. When I delete it, ...
1
vote
1answer
341 views

How to create a copy of a file immediately when it's created? [duplicate]

I have an Android app that will create a file in /data/ and immediately delete it. I want to know how can I catch this file or create a copy or even disable user permissions to delete a file? I have ...
3
votes
1answer
165 views

How to create a copy of a file immediately when it's created?

I have an Android app that will create a file and immediately delete it. I want to know how can I catch this file or create a copy or even disable user permissions to delete a file. I have root access ...
1
vote
1answer
302 views

Background apps get killed (by something other than battery optimization)

All of my background apps get killed when I turn off the screen. This is particularly annoying for my most-used messaging app, WhatsApp. I've looked at the obvious "Battery Optimization" option: ...
0
votes
0answers
168 views

Monitor and identify which apps create a specific file/directory

From time to time, there is a directory (and files inside of it) that is created on the internal memory of my device. I keep deleting it, but after a few days/weeks, it's back. The folder in question, ...
0
votes
0answers
123 views

Purpose of sdcardwritable file

In some directories there's .sdcardwritable file. It's a empty file. What is purpose of this file?
3
votes
2answers
90 views

How to find out which apps are creating *.space files in Internal Storage?

There is a folder at internal memory: .space/ Inside it has one folder that is a big hash name (probably sha1sum), and inside that folder there are lots of files (also named as a hash something like ...
0
votes
0answers
86 views

Some kind of virus is consuming my storage to 0 bytes

As title says, i am having heavily storage problems since a week. Last night I deleted facebook cache and useless applications, 2 gb space cleaned and today I woke up to 8 mb left notification again. ...
0
votes
0answers
64 views

Malware downloads APK

Some app is repeatedly downloading APK files in my Lenovo Android phone. How can I find which program is doing this ? I have installed all my apps from Google Play store.
0
votes
0answers
51 views

Utilities to monitor file changes on android: inotify-tools, fswatch, inotifywait

Is there any way to monitor file changes on android as they happen, being root? Any file modification or deletion. I don't want to perform a md5 hashing of the entire directory each amount of time and ...
1
vote
0answers
35 views

How do I determine what changes an app is making to the system?

Let me start this question with the specific use case. I have Cerberus installed for one purpose - in order to disallow pulling down the notification bar when the phone is locked. If my phone is ...