vishwaCTF 2021: Facile | szymanski.ninja

Facile

Category: Reverse Engineering

489 points

Mr Bingo has hidden something secretive inside…

file: s1mple.gzf

Solution

I didn’t even try to be creative here…

binwalk -e s1mple.gzf

DECIMAL       HEXADECIMAL     DESCRIPTION
--------------------------------------------------------------------------------
56            0x38            Zip archive data, at least v2.0 to extract, name: FOLDER_ITEM

cd _s1mple.gzf.extracted/
strings FOLDER_ITEM | grep CTF

vishwaCTF{r3v_1t_1s5s5s}

Flag

vishwaCTF{r3v_1t_1s5s5s}