---layout: default---# STEGO
## KSTEG
![](img/ksteg.png)
With the challenge we get this JPEG image:
![](resource/luke.jpg)
The challenge name and the challenge description clearly indicates that we need to use [Jsteg](https://github.com/lukechampine/jsteg) this is a tool used  for hiding data in the least segnificant bit (LSB) of the bytes in the image
> The image is actually an image of the creator of the tool (luke),
![](img/l.png)
## DOH
A image was given and seriously what techniques was to be used I used [Steghide](http://steghid.sourceforge.net/download.php) to get the flag and no passphrase was required for this.
![](resource/doh.jpg)
```steghide extract -sf doh.jpg
```
This was the flag : **JCTF{an_annoyed_grunt}**
## Beep Boop
![](img/bb.png)
An audio file was given and after listening to it I was sure that this are [DTMF](https://en.wikipedia.org/wiki/Dual-tone_multi-frequency_signaling) tones so I used this [dialabc](http://dialabc.com/sound/detect/index.html) to get the numbers.
```46327402297754110981468069185383422945309689772058551073955248013949155635325
```After some observation I found it a decimal to hex converion :
![](img/bb1.png)
and then hex to ascii
![](img/bb2.png)
# FORENSICS
## MICROOSOFT
we were just give a  .docx file.
**FLAG : flag{oof_is_right_why_gfxdata_though}**
I first analyzed the file through binwalk, and got so many zipped files.
![](img/foren_1.png)
Then extracted it , and bruteforced to get the flag.
![](img/foren_2.png)