First, if you are looking for a way to use faceniff without root, it's not possible, all hacking apps need root access to work.
If you want to hack into a Facebook account which is using the same WiFi network, you can use FaceNiff app.
it's not possible right now, because Facebook has made SSL encryption mandatory to all connections (https://).One of the famous site that faceniff can sniff it, i found vk.com, because is running on http and can use FaceNiff to steal session cookies.
Faceniff Features:
- Stealth mode
- SSL strip integration
- Export and import sessions
- Vibration alert when FaceNiff has found new profiles
- Filter the session ID cookies.
faceniff Requirements
- Your android phone must be rooted.
- Download Faceniff apk android application from link bellow.
How to use faceniff on android?
First of all, make sure you are connected to a WiFi network and you have a target on the same network that have clients.
1. Download and install FaceNiff application.
2. Open it from your apps menu.
5. Tap on "Offline" button to make it "Online". Then tap on the "START".
7. Tap on the sessions displayed and use the stock browser to access the webpage.
That All! you have the victims web account logged before, but not forget, if the victim logged out from the account, you will also be logged out automatically.