Since I spent half a day installing simplescalar, I find it may be an interesting misc problem.
So I use simplescalar tools to compile a binary with architecture pisa.
If you realize it is compiled by simplescalar tools and then you know you need simplescalar simulator to run it.
But I think everyone will understanding what I mean and it will be a check-in challenge, but actually I am wrong /(ㄒoㄒ)/~~
- Get the binary
welcome - Download
simplesim-3v0e.tgzfrom http://www.simplescalar.com - Install the simplesim by following steps:
tar xvf simplesim-3v0e.tgz
cd simplesim-3.0
make config-pisa
make sim-fast #(others is also ok)
./sim-fast welcome- And you will find the flag is printed to the screen:
*ctf{we1_t0_*ctf}