Sherlock
CHALLENGE DESCRIPTION
1) Download the given file
2) Let's try to find, if any of the file is hidden, using binwalk.
binwalk -e decode.png
3) Hufff!! No results.
4) Let's look into metadata for any clue.
exiftool decode.png
5)Nope,here also nothing
6)Dead end, what else can we do
7) Let's try zsteg stool
zsteg -a decode.png
8) Wowww!!! we got the flag
> vishwaCTF{@w3s0Me_sh3Rl0cK_H0m3s}