TryHackMe - Easy steganography Writeup

Hi all, let’s pwn this.

You can find the challenge there > Easy Steganography

Flag 1

Simply we run hexdump on the image and after lot of search we can see flag.

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$ hexdump -C flag1.jpeg | grep S
|..pg<.St3g4n0...|

Flag 1 > St3g4n0

Flag 2

We’ll use now binwalk you can install it by sudo apt-get install binwalk -y.

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$ binwalk --dd='.*' flag2.jpeg
$ cd _flag2.jpeg.extracted/
$ ls 
0  1326F  2C51  C
$ file 1326F 
1326F: JPEG image data ... <other_data>
$ display 1326F

Flag 2 > algorithm

Flag 3

This is one is pretty easy, we just run file on the image & we can see the flag.

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$ file flag3.jpeg 
flag3.jpeg: JPEG image data, Exif standard: [TIFF image data, little-endian, direntries=0], comment: "The passphrase to this challenge is Math", progressive, precision 8, 526x263, components 3

Flag 3 > Math

Flag 4

This is one is pretty easy too. We just run strings on it.

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$ strings flag4.jpeg
TryHardered

Flag 4 > TryHardered

Pretty easy challenges, can teach the basics to people that have no idea on steganography.

See you!