CTF Writeup: picoCTF 2022 Reverse Engineering

Our category progress and score was,

The Reverse Engineering challenges I solved in picoCTF 2022 are the following,

Table of Contents

1. 100 points
   • file-run1
   • file-run2

file-run1

The challenge is the following,

We are also given the executable file run.

I added executable permissions using,

$ chmod +x run

And executed using,

$ ./run

Which gave me,

Therefore, the flag is,

picoCTF{U51N6_Y0Ur_F1r57_F113_102c30db}

file-run2

The challenge is the following,

We are also given the executable file run.

I added executable permissions using,

$ chmod +x run

And executed with Hello!

$ ./run Hello!

Which gave me,

Therefore, the flag is,

picoCTF{F1r57_4rgum3n7_4653b5f6}