Tags: cryptography misc crypto vigenere
Rating:
# DawgCTF 2020 – ClearEdge Challenges: The Lady is a Smuggler + Let Her Eat Cake! + Tracking
These are multiple challenges connected together.
The website is at: https://clearedge.ctf.umbccd.io/
The HTML of the page is the following.
```html
<html lang="en-US">
<head>
</head>
<body>
)
America's first female cryptanalyst, she said: "Our office doesn't make 'em, we only break 'em". On this day, let her eat cake!
Hwyjpgxwkmgvbxaqgzcsnmaknbjktpxyezcrmlja?
GqxkiqvcbwvzmmxhspcsqwxyhqentihuLivnfzaknagxfxnctLcchKCH{CtggsMmie_kteqbx}
</body>
</html>
```
## The Lady is a Smuggler
* **Category:** web/networking
* **Points:** 25
### Challenge
> Our mysterious lady is smuggling a bit of extra information.
>
> https://clearedge.ctf.umbccd.io/
>
> Author: ClearEdge
### Solution
The interesting part is the following.
```html
```
The flag is the following.
```
DawgCTF{ClearEdge_ElizebethSmith}
```
## Let Her Eat Cake!
* **Category:** misc
* **Points:** 75
### Challenge
> She's hungry!
>
> https://clearedge.ctf.umbccd.io/
>
> Author: ClearEdge
### Solution
The web page contains the following encrypted message.
```
Hwyjpgxwkmgvbxaqgzcsnmaknbjktpxyezcrmlja?
GqxkiqvcbwvzmmxhspcsqwxyhqentihuLivnfzaknagxfxnctLcchKCH{CtggsMmie_kteqbx}
```
The message is encrypted with *Vigenère Cipher*. You can bruteforce it with an [on-line tool](https://www.dcode.fr/vigenere-cipher).
The encryption key is `AICGBIJC` and the decrypted text is the following.
```
Howdoyoukeepaprogrammerintheshowerallday?
GivehimabottleofshampoowhichsaysLatherrinserepeatDawgCTF{ClearEdge_crypto}
```
The flag is the following.
```
DawgCTF{ClearEdge_crypto}
```
## Tracking
* **Category:** web/networking
* **Points:** 100
### Challenge
> What's that pixel tracking?
>
> https://clearedge.ctf.umbccd.io/
>
> Author: ClearEdge
### Solution
The interesting part is the following.
```html
```
Using browser console to run the JavaScript will give you the flag.
```
DawgCTF{ClearEdge_uni}
```
