ALPHASE

Aku ingin menjadi cukup kuat. Kemarin aku telah menjadi kuat, tetapi itu tidak cukup.

picoCTF - Tapping


  • URL: https://play.picoctf.org/practice/challenge/21
  • Title: Tapping
  • Tags: Medium, Cryptography, picoCTF 2019
  • Author: DANNY
  • Started: 27 July 2025
  • Solved: 27 July 2025
  • Description: Theres tapping coming in from the wires. Additional details will be available after launching your challenge instance.

I started the instance, and copied this nc command snippet.

alt text

The host returned this information.

buddyhearto-picoctf@webshell:~$ nc fickle-tempest.picoctf.net 53806
.--. .. -.-. --- -.-. - ..-. { -- ----- .-. ... ...-- -.-. ----- -.. ...-- .---- ... ..-. ..- -. -.-. ----. .---- ..-. -.... ..--- ----- -.... }

In primary school, I used to memorize morse code, but now I can just use online translator at this point. This is the first part before { alt text And this is the part encapsulated within {} alt text

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picoCTF - Verify


  • URL: https://play.picoctf.org/practice/challenge/450
  • Title: Verify
  • Tags: Easy, Forensics, picoCTF 2024, grep, browser_webshell_solvable, checksum
  • Author: Jeffery John
  • Started: 14 July 2025
  • Solved: 14 July 2025
  • Description: People keep trying to trick my players with imitation flags. I want to make sure they get the real thing! I’m going to provide the SHA-256 hash and a decrypt script to help you know that my flags are legitimate. Additional details will be available after launching your challenge instance.

First, I ssh’ed into the server using given username and password after I ran the instance. I listed all the files in the home folder and ~/files

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