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x-sixty-what

Challenge

Overflow x64 code Most problems before this are 32-bit x86. Now we'll consider 64-bit x86 which is a little different! Overflow the buffer and change the return address to the flag function in this programarrow-up-right. Download sourcearrow-up-right. nc saturn.picoctf.net 61827

Solution

This challenge is almost identical to NewOverFlow-1arrow-up-right from PicoCTF 2019. This writeuparrow-up-right explains why we need to return to main before returning to flag.

Flag

picoCTF{b1663r_15_b3773r_11c407bc}

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