Aperi’CTF 2019 - Aperi’Bot - Welcome
|Aperi’CTF 2019||Aperi’Bot - Welcome||MISC||50||26|
Aperi’Bot is the welcome challenge of the Aperi’CTF event. It has been built to provide a simple test for Internet access, ensure that all teams are familiar with the platform and be fun 😊
Welcome to the Aperi’CTF!
Check out Telegram and play with our @APRK_bot bot.
To authenticate yourself, send this command to the bot:
Note: If you don’t have a Telegram account and don’t want to create one, you can ask the staff for the flag.
Let the challenge begin!
First, we need to checkout the
APRK_bot using our Telegram account:
Let’s start a new conversation with the bot:
We’re given a set of command list that we can use to interact with the bot, let’s send ❤ to Aperi’Kube!
Okay, the bot seems to work properly, we should now be able to authenticate and get the flag!
The bot wants to play a game, let’s play!
The game that the bot wants to play with us is the Rock, Paper, Scissors, Lizard, Spock which is a variant of the famous Rock, Paper, Scissors with the following rule:
- Scissors cuts Paper
- Paper covers Rock
- Rock crushes Lizard
- Lizard poisons Spock
- Spock smashes Scissors
- Scissors decapitates Lizard
- Lizard eats Paper
- Paper disproves Spock
- Spock vaporizes Rock
- Rock crushes Scissors
After several attempts to beat the bot, we finally get the flag:
The final flag is