# c4ptur3-th3-fl4g

## \[Task 1] Translation & Shifting

I will be using only [Cyberchef](https://gchq.github.io/CyberChef/)

### 1. c4n y0u c4p7u23 7h3 f149?

**Answer: can you capture the flag**

### 2. 01101100 01100101 01110100 01110011 00100000 01110100 01110010 01111001 00100000 01110011 01101111 01101101 01100101 00100000 01100010 01101001 01101110 01100001 01110010 01111001 00100000 01101111 01110101 01110100 00100001

![image](https://user-images.githubusercontent.com/44063862/82469417-90313e00-9af6-11ea-9436-1a742d551fbf.png)

**Answer: lets try some binary out!**

### 3. MJQXGZJTGIQGS4ZAON2XAZLSEBRW63LNN5XCA2LOEBBVIRRHOM======

![image](https://user-images.githubusercontent.com/44063862/82469511-b48d1a80-9af6-11ea-925e-f611cfc5bcfc.png)

**Answer: base32 is super common in CTF's**

### 4. RWFjaCBCYXNlNjQgZGlnaXQgcmVwcmVzZW50cyBleGFjdGx5IDYgYml0cyBvZiBkYXRhLg==

![image](https://user-images.githubusercontent.com/44063862/82469527-b7880b00-9af6-11ea-9c3b-4dde1ab274c9.png)

**Answer: Each Base64 digit represents exactly 6 bits of data.**

### 5. 68 65 78 61 64 65 63 69 6d 61 6c 20 6f 72 20 62 61 73 65 31 36 3f

![image](https://user-images.githubusercontent.com/44063862/82469710-fb7b1000-9af6-11ea-9be7-677b955db69a.png)

**Answer: hexadecimal or base16?**

### 6. Ebgngr zr 13 cynprf!

![image](https://user-images.githubusercontent.com/44063862/82469813-1d749280-9af7-11ea-8295-89523717ac40.png)

**Answer: Rotate me 13 places!**

### 7. \*@F DA:? >6 C:89E C\@F?5 323J C:89E C\@F?5 Wcf E:>6DX

![image](https://user-images.githubusercontent.com/44063862/82469899-3aa96100-9af7-11ea-8f1b-7e701c705a29.png)

**Answer: You spin me right round baby right round (47 times)**

### 8. - . .-.. . -.-. --- -- -- ..- -. .. -.-. .- - .. --- -.

. -. -.-. --- -.. .. -. --.

![image](https://user-images.githubusercontent.com/44063862/82469996-590f5c80-9af7-11ea-834f-c40a44a740d6.png)

**Answer: TELECOMMUNICATION ENCODING**

### 9. 85 110 112 97 99 107 32 116 104 105 115 32 66 67 68

![image](https://user-images.githubusercontent.com/44063862/82470063-6f1d1d00-9af7-11ea-8aca-d7b3603017af.png)

**Answer: Unpack this BCD**

### 10. Challange 10 (To long to copy)

![image](https://user-images.githubusercontent.com/44063862/82470209-a1c71580-9af7-11ea-8cfe-130e6a24f154.png)

**Let's make this a bit trickier...**

***

## \[Task 2] Hashing

Tools:

* [Hash Analyzer](https://www.tunnelsup.com/hash-analyzer/)
* [md5hasing.net](https://md5hashing.net/)

### 1. 39d4a2ba07e44421c9bedd54dc4e1182

Decode using md5hasing.net (Online Tools)

![image](https://user-images.githubusercontent.com/44063862/82472420-b5c04680-9afa-11ea-9d51-172d1f1533ef.png)

Output:

![image](https://user-images.githubusercontent.com/44063862/82472424-b8bb3700-9afa-11ea-89a8-97490f463343.png)

**Answer: MDwhat?**

### 2. e0418e7c6c2f630c71b2acabbcf8a2fb

![image](https://user-images.githubusercontent.com/44063862/82472635-12236600-9afb-11ea-9e87-9252ba5bf3b0.png)

**Answer: digest the message algorithm**

### 3. e0418e7c6c2f630c71b2acabbcf8a2fb

![image](https://user-images.githubusercontent.com/44063862/82472888-63cbf080-9afb-11ea-8222-51a55f59008a.png)

**Answer: 128-bit of delicious hash values**

### 4. 11FE61CE0639AC2A1E815D62D7DEEC53

Based on hint given it is, “SoftMicro”. Which refer to Microsoft NTLM Hashes.

**Answer: Microsoft has encryption?**

### 5. a361f05487b879f25cc4d7d7fae3c7442e7849ed15c94010b389faafaf8763f0dd022e52364027283d55dcb10974b09e7937f901584c092da65a14d1aa8dc4d8

Check the hash.

![image](https://user-images.githubusercontent.com/44063862/82640452-338c6b00-9c3d-11ea-91f5-377ec8774988.png)

\[md5hashing]\(<https://md5hashing.net/hash/sha512>

![image](https://user-images.githubusercontent.com/44063862/82640461-36875b80-9c3d-11ea-80f6-010557478baa.png)

**Answer: 1024 bit blocks!**

### 6. d48a2f790f7294a4ecbac10b99a1a4271cdc67fff7246a314297f2bca2aaa71f

![image](https://user-images.githubusercontent.com/44063862/82640531-5880de00-9c3d-11ea-8891-46d6e0592a6c.png)

![image](https://user-images.githubusercontent.com/44063862/82640535-5ae33800-9c3d-11ea-87a0-6b054d741737.png)

**Answer: Commonly used in Blockchain**

### 7. a34e50c78f67d3ec5d0479cde1406c6f82ff6cd0

![image](https://user-images.githubusercontent.com/44063862/82640607-777f7000-9c3d-11ea-9189-fd77365801d5.png)

![image](https://user-images.githubusercontent.com/44063862/82640615-79493380-9c3d-11ea-97a9-b05486a60e44.png)

**Answer: The OG**

***

## \[Task 3] Spectogram

Challenge give us an audio. Secretaudio.wav. I decide to use Audacity. Spectogram. Ta-Da!

![image](https://user-images.githubusercontent.com/44063862/82640684-98e05c00-9c3d-11ea-8954-2704dd405e5e.png)

**Answer: Super Secret Message**

***

## \[Task 4] Steganography

![image](https://user-images.githubusercontent.com/44063862/82640744-b3b2d080-9c3d-11ea-9a4b-4e260b451cac.png)

We try online tools to decode it. [Steganographic Decoder](https://futureboy.us/stegano/decinput.html)

![image](https://user-images.githubusercontent.com/44063862/82640778-c200ec80-9c3d-11ea-8e1b-268b0de1a6de.png)

OR

```
steghide extract -sf stegosteg.jpg
```

![image](https://user-images.githubusercontent.com/44063862/82640783-c3cab000-9c3d-11ea-8c30-a67710178084.png)

```
cat stegosteg.jpg
```

![image](https://user-images.githubusercontent.com/44063862/82640787-c5947380-9c3d-11ea-9b77-02db5d2afc67.png)

**Answer: SpaghettiSteg**

***

## \[Task 5] Security through obscurity

### 1. Download and get 'inside' the file. What is the first filename & extension?

Given a png file. I strings the file. And get this

![image](https://user-images.githubusercontent.com/44063862/82640929-1015f000-9c3e-11ea-8c2d-67002faed730.png)

**Answer: hackerchat.png**

### 2. Get inside the archive and inspect the file carefully. Find the hidden text.

It say to go inside the archive.

```
binwalk -e meme.jpg
```

And there is an archive file. Extract and strings the image.

![image](https://user-images.githubusercontent.com/44063862/82640935-11471d00-9c3e-11ea-9af4-ce98830764cd.png)

Ps: I no need to Binwalk it.

**Answer: AHH\_YOU\_FOUND\_ME!**

*<mark style="color:orange;">By AdaniKamal</mark>*
