Description : Growing up and being bored in school, Samual Jr. takes a look at different cloud-driven options for exam preparation. Reaching for the stars takes more than just math, right? Teach him a lesson! nc flatearth.fluxfingers.net 1745 First steps : Let’s take a quick look at the binary : ➜ exam ~/tools/checksec.sh/checksec –file exam RELRO STACK CANARY NX PIE RPATH RUNPATH FORTIFY Fortified Fortifiable FILE Full RELRO Canary found NX enabled PIE enabled No RPATH No RUNPATH Yes 0 4 exam ➜ exam file exam exam: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 3.2.0, BuildID[sha1]=9be14b9fa354dbb844460d8d07daa6cd7c2ee40a, not stripped Considering the hardening mechanisms in place (PIE, RELRO, Stack Canary, NX) and the low amount of points (200), we shouldn’t look for something too fancy like ROP in order to complete the challenge. I went ahead and ran the program to see what it did : ➜ exam ./exam Welcome to ExamSim! Here you can augment your exam preparation work with automated crib creation capabilities. Our algorithm will hand pick only the most important facts from your previous summaries to allow you to push your grades to the next level! ======== 1. add summary…