Files
ctf/insomnihack24/pwn/promis/notes.md
2024-04-27 03:02:04 +02:00

358 B

Plan:

  1. Manipulate stack position to store libc address
  2. Transform address to point to one-gadget
  3. possibly zero rcx
  4. overwrite saved rip with one-gadget

one-gadget for libc version at offset: 0x4f29e execve("/bin/sh", rsp+0x40, environ) constraints: address rsp+0x50 is writable rsp & 0xf == 0 rcx == NULL || {rcx, "-c", r12, NULL} is a valid argv