[picoctf]Binary Search writeup

Title:

Binary Search

Author:

Jeffery John

Date:

8/10/2024

Challenge Description

https://play.picoctf.org/practice/challenge/442

Difficulty Level

Easy

Setup

kali linux

Solution Overview

Detailed Steps

1.This Game try to type down guess!

ssh -p 54518 [e-mail]
[e-mail]'s password: 
Welcome to the Binary Search Game!
I'm thinking of a number between 1 and 1000.
Enter your guess: 500
Lower! Try again.
Enter your guess: 250
Higher! Try again.
Enter your guess: 350
Higher! Try again.
Enter your guess: 450
Lower! Try again.
Enter your guess: 400
Lower! Try again.
Enter your guess: 370
Higher! Try again.
Enter your guess: 390
Higher! Try again.
Enter your guess: 395
Lower! Try again.
Enter your guess: 394
Congratulations! You guessed the correct number: 394
Here's your flag: picoCTF{g00d_gu355_2e90d29b}
Connection to atlas.picoctf.net closed.

Final Exploit/Flag

Here's your flag: picoCTF{g00d_gu355_2e90d29b}

Lessons Learned

General Skills

References