1. First of all install this software in your computer......(having a network).
Wireshark (Facebook hacking on Any Network)
Download Click Here
Procedure
2. Than open it and select your Lan in it.
3. Set filter to Http... and start searching....
4. Now if anyone login into his facebook or other accounts...
5. u will get a specific cookie..... of that website...
6. on the specific cookie click mouse right boutton and click on copy > bytes > printable text only and paste in notpad
7. the value present in front of datr is ur needed cookies....
8. now install cookie manager in Mozilla Firefox and then enter these cookies into it....
9. press enter..... u will access the account.,....
10. Hacked
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