Modern browsers (including Chrome and Safari) introduced the SameSite cookie attribute. Facebook's cookies now have SameSite=Lax or Strict. This means the cookie is bound to the originating domain. Even if you steal the cookie string and inject it into your browser, the browser will reject it because the "Site" context (IP address vs. facebook.com) does not match.
The original Faceniff used libpcap and droidsshd hooks that have been deprecated since Android Lollipop (5.0). Modern Android kernels have hardened against ARP spoofing by using Private ARP tables and per-network isolation. faceniff apk mod
Almost every "Faceniff APK Mod" circulating on dubious forums (like those found on Warez sites or Telegram channels) is fake or malicious. Modern browsers (including Chrome and Safari) introduced the
For those interested in network security and ethical hacking, there are many legal and educational paths: Even if you steal the cookie string and
You learn the exact same skills as Faceniff promised, but you do it legally and safely.