c4ptur3-th3-fl4g{THM}| Task_1

Gladi_47
3 min readMay 25, 2023

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Site = THM
Creator = DC
Difficult = 🍕

Basic Summary:
So this room is basically multiple encoded text quiz we have to answer and today we’re only gonna see 1st section of this room the rest maybe tomorrow we shall see.

Lets Begin!

1.c4n y0u c4p7u23 7h3 f149?

Looks like a simple leet. in simple leet mostly 0 is o, 4 is a, etc
FLAG == can you capture the flag?
And if ya cant do it, mostly theres online decoders for mostly all encoded stuff.

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

Looks like simple binary.Lets get to cyberchef.
FLAG == lets try some binary out!

3.MJQXGZJTGIQGS4ZAON2XAZLSEBRW63LNN5XCA2LOEBBVIRRHOM======

The equal signs and all caps looks like simple base32 so lets try.
FLAG == base32 is super common in CTF’s

4.RWFjaCBCYXNlNjQgZGlnaXQgcmVwcmVzZW50cyBleGFjdGx5IDYgYml0cyBvZiBkYXRhLg==

Again equals at the last but this time its not all caps, and mostly feels like base64 so lets Go.!
FLAG == hexadecimal or base16?

5.68 65 78 61 64 65 63 69 6d 61 6c 20 6f 72 20 62 61 73 65 31 36 3f

Looks like hexadecimals.
FLAG == hexadecimal or base16?

6.Ebgngr zr 13 cynprf!

Some good old ceaser cipher using 13 rotations also known as rot13.
FLAG == Rotate me 13 places!

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

This weird looking text also looks like rotation cipher but very weird whenever ya see something very weird but readable its mostly safe to assume it rot47
FLAG == You spin me right round baby right round (47 times)

8.- . .-.. . -.-. — — — — ..- -. .. -.-. .- — .. — — -.. -. -.-. — — -.. .. -. — .

Looks like morse code. a tick tick tiiiiiiiick type of encoding used in past for radio.
FLAG == TELECOMMUNICATION ENCODING

9.85 110 112 97 99 107 32 116 104 105 115 32 66 67 68

Looks like decimal so lets try to convert it to ascii.
FLAG == Unpack this BCD

10.

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Looks like base 64 but its just the starting point.
BASE64 ~> morse code ~> binary ~> rot47 ~> decimal ~> FLAG {Let’s make this a bit trickier…}

Happy hacking Byeee!!

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