cis.syr.edu/~wedu/seed/Labs_12.04/Software/Buffer_Overflow/) for the source code, instructions and other resources . What you need to do: – Finish tasks described in the lab document. What to submit: A zip file containing: – Proof of task execution in the lab report (screen shots are ok ). Provide explanation on how you modified exploit.c and how you modified the values to get to the correct return address. – Your updated exploit.c that generates the input for the stack.c program. – A copy of the badfile. This must gengerate a shell when stack.c runs from the command line in the VM. – A screenshot of using stack.c program to gain a shell. – A text file with answers to the following questions: a. What happens when you compile without “-z execstack”? b. What happens if you enable ASLR? Does the return address change? c. Does the address of the buffer in memory change when you run stack using GDB, /home/root /stack (stack.c location), and ./stack? Additional resources: – There are several ways that you can compute the return address to inject the shell code correctly and open the root shell, Please look at these two links for further information: 1) https://upfsecurity.files.wordpress.com/2015/05/la… 2) https://royshavit.com/wp-content/uploads/2018/03/B…
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