```# objdump -b pei-i386 -D flipacoin.exe  > flipacoin.exe.txt``````open flipacoin.exe.txt in Notepad++in _WinMain@16 @401652:	75 4e jne 4016a2 <_WinMain@16+0x1a2>  first jne found  and @4016a6: 75 27 jne 4016cf <_WinMain@16+0x1cf> second jne foundand @4016dd: 0f 85 1a 01 00 00 jne 4017fd <_WinMain@16+0x2fd> third jne foundopen flipacoin.exe in Frhed then edit data @401652 from 754e (jne) to eb52 (jmp) and  @4016a6 from 7527 (jne) to eb3b (jmp)< 0000a50: dc00 754e c744 2404 d590 4800 c704 2440 > 0000a50: dc00 eb52 c744 2404 d590 4800 c704 2440 < 0000aa0: 0700 837d dc01 7527 c744 2404 0491 4800 > 0000aa0: 0700 837d dc01 eb3b c744 2404 0491 4800  ```run flipacoin-bypass.exe and press only one enter keyflag found```Z:\>flipacoin-bypass.exe
[*] SHA2017 Junior CTF - Flip a Coin    Flip a coin, if it is heads you win, tails you lose!    Win 100 times to get the flag
[*] Press enter to flip a coin
[*] You won! Nice job! \o/    Here is your flag:
flag{d754c599d47d9b3e4a376e1d770ca8c1}```