This is an ARM 32b exploitation challenge part of the BCTF competition, which I've enjoyed playing with the team TheGoonies. During the competition, only 18 teams (out of the 500+) were able to solve it. All props to them! The technique I used to...
I participated to 0ctf but only had time to play for the reversing challenge trace (write-up coming up soon) during the competition time. I did this challenge only for fun after the CTF was over so I do not know the flag, and since I found it...
The challenge is the sequel to simple_calc. If you haven't read our write-up, now is the time 😊 Info ~ $ file d60001db1a24eca410c5d102410c3311d34d832c d60001db1a24eca410c5d102410c3311d34d832c: ELF 64-bit LSB executable, x86-64, version 1...
Info ~/cur/simple_calc $ file b28b103ea5f1171553554f0127696a18c6d2dcf7 b28b103ea5f1171553554f0127696a18c6d2dcf7: ELF 64-bit LSB executable, x86-64, version 1 (GNU/Linux), statically linked, for GNU/Linux 2.6.24,...