Sep
14

Leet More 2010 Stack or what? writeup

We received a new CPU model, you are to make a vulnerability check. Enter the CPU secret code as a proof. [ ctf.ifmo.ru:3123 ] + binary Here we have a VM with a few instuctions: nop, add, xor, mul, push, pop, loop, pops, pushs and core. The most intresting is core – it spawns a… Continue reading »