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picoCTF: Wave a flag

picoCTF, writeup, general-skills

Info #

Problem link - picoCTF: Wave a flag

Solution #

We need to run the executable[warm] to see what happens. But before running, make it executable -

chmod +x warm

./warm
Hello user! Pass me a -h to learn what I can do!

Now let’s pass -h flag.

./warm -h
Oh, help? I actually don't do much, but I do have this flag here: picoCTF{b1scu1ts_4nd_gr4vy_6635aa47}

Flag #

Here is the flag -

picoCTF{b1scu1ts_4nd_gr4vy_6635aa47}