1. toorcamp
1.1. r2wars - battle bots in shared memory
2024-06-28 13:00 - 14:30 Location: Yoga Studio
Running programmes simultaneously in the same memory: what could go wrong? This is about how and then playing with it hands-on. We look at the substructure, build our own small programmes that then try to overwrite each other.
; r2 malloc://1024
[0x00000000]> aei
[0x00000000]> aeim
[0x00000000]> wx e80000000058 @ 0x100
[0x00000000]> aer PC = 0x100
[0x00000000]> aer SP = SP + 0x100
[0x00000000]> aes
[0x00000000]> aerR