1. The pictures with the tests are given: one image is manipulative, another one has no security.
2. Run steghide --extract -sf Get_It_1.jpeg without password.
3. We have obtained nothing.txt. It is a hint about the name that will be the future password, which is heard somewhere.
4. Run binwalk --dd='.*' Get_It_2.png and get the sound that says "lucifer”.
5. steghide --extract -sf Its_a_Morse_not_a_joke_take_it_seriously.wav with the password “lucifer” and obtain the flag.

Flag: VishwaCTF{lucifer_S01E03}.