FaceNiff is an Android application that allows users to sniff and intercept social network profiles over a Wi-Fi network. It operates by capturing session cookies when devices are connected to the same wireless access point, effectively allowing a "session hijacking" or "man-in-the-middle" attack. ⚠️ Essential Security Warning
While FaceNiff was highly revolutionary when it launched, changes in modern web infrastructure have rendered it mostly obsolete for modern websites:
It cannot bypass SSL/HTTPS encryption; it only works on sites or sessions using insecure HTTP. Download and Installation Risks
Displays a list of hijacked profiles as they appear on the network.
The device's wireless card must support monitor mode or packet injection. Not all Android hardware is compatible.
While FaceNiff is a potent tool for network analysis (or "educational purposes" as stated by the developer), it has major limitations: HTTPS/SSL Protection
: The app requires a rooted Android device and a compatible wireless chipset.
To prevent your own accounts from being hijacked by tools like FaceNiff:
With a single tap on the "Start" button, the app began scanning the shop's network. Within seconds, a list of active session cookies appeared on his screen. He saw icons for Facebook, Twitter, and Amazon
A: Yes, but only in very limited circumstances. Using FaceNiff on networks you own, with explicit written permission from the network owner, or in controlled laboratory environments for educational research may be legal. Using it on any network without authorization constitutes illegal hacking.
FaceNiff is an Android application designed for on Wi-Fi networks. Created by developer Bartosz Ponurkiewicz, it allows a user to "sniff" and intercept web session profiles when both the attacker and the victim are on the same wireless network.
: Encrypts the data between the user and the server, preventing cookie theft. HSTS : Forces browsers to use secure connections only.
: FaceNiff is largely ineffective against modern websites that use HTTPS (SSL/TLS) . Since most major social media and e-commerce platforms now mandate encrypted connections, the app's ability to intercept data is severely limited compared to when it was first released in 2011.
Wireshark is the world’s foremost network protocol analyzer. It allows you to capture and interactively browse the traffic running on a computer network. It is widely used for troubleshooting, analysis, software development, and education.