This is a reversing challenge and the only hint we get is ask nicely! So let’s run the binary file, on running it we get an output ask nicely, let’s try to use some parameters now: First we try ./asknicely please, and then ./asknicely pretty please: which gives us the flag :D
Flag: DawgCTF{+h@nK_YOU}
View the full writeup [here](https://github.com/abhichitkara/DawgCTF20-Writeups/blob/master/DawgCTF%20Writeups.pdf)