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Series

picoCTF 2022

In this series, we will exploit and complete all the picoCTF 2022 challenges. picoCTF is a free computer security education program with original content built on a capture-the-flag framework.

Articles in this series

picoCTF 2022: Binary Exploitation: basic-file-exploit

Oct 14, 20225 min read1.0K views

Introduction Challenge: basic-file-exploit Category: Binary Exploitation Description: The program provided allows you to write to a file and read...

picoCTF 2022: Binary Exploitation: basic-file-exploit

picoCTF 2022: Cryptography: basic-mod1

Oct 14, 20222 min read1.4K views

Introduction Challenge: basic-mod1 Category: Cryptography Description: We found this weird message being passed around on the servers, we think we...

picoCTF 2022: Cryptography: basic-mod1

picoCTF 2022: Cryptography: basic-mod-2

Oct 14, 20222 min read1.3K views

Introduction Challenge: basic-mod-2 Category: Cryptography Description: A new modular challenge! Download the message here. Take each number mod 41...

picoCTF 2022: Cryptography: basic-mod-2

picoCTF 2022: Binary Exploitation: buffer overflow 0

Oct 15, 20222 min read2.0K views

Introduction Challenge: buffer overflow 0 Category: Binary Exploitation Description: Smash the stack. Let's start off simple, can you overflow the...

picoCTF 2022: Binary Exploitation: buffer overflow 0

picoCTF 2022: Cryptography: credstuff

Oct 15, 20222 min read929 views

Introduction Challenge: credstuff Category: Cryptography Description: We found a leak of a black-market website's login credentials. Can you find the...

picoCTF 2022: Cryptography: credstuff

picoCTF 2022: Binary Exploitation: CVE-XXXX-XXXX

Oct 15, 20222 min read1.4K views

Introduction Challenge: CVE-XXXX-XXXX Category: Binary Exploitation Description: Enter the CVE of the vulnerability as the flag with the correct flag...

picoCTF 2022: Binary Exploitation: CVE-XXXX-XXXX