Bypassing server security via auto session hijacking :)

Hi Guys
How r u doing?
Good or not , doesn't matter :D:D
Long time since my last post , hah!!!
i just want to refresh ur minds and show u Good technique for Bypassing (the over security) of some servers
1st of all let's put some rules
1 - the targeted script must depend on sessions on admin panel
other wise , it's not gonna work
2 - u should have little php knowledge to modify the script 4 ur own using

Got it?
let's go
1st script will be uploaded @ the Server , beside ur shell