How to get peoples HEX!

I have readed the MD5 guide, and can get it to work, but how can i get peoples HEX on forum, so i can login other accounts?

Get peoples HEX? Do you mean hashes?

If you mean hashes then you could use cookie stealing.

I think he mean hash, and like mozzer say use cookie stealer

SQL injection X-Server Hack Cookie Stealing Remote Code Injection SE'ing

those are just a few of the many possibilties. however asking the question you just have usally means you have no idea what your doing.

so start off with basic things and read my article on ethics.