#picoctf-2022

picoCTF 2022: Binary Exploitation: buffer overflow 0

Introduction Challenge: buffer overflow 0 Category: Binary Exploitation Description: Smash the stack. Let's start off simple, can you overflow the correct buffer? The program is available here. You can view the source here. And connect with it using:...

Oct 15, 20222 min read

NRNouman Rahmanprogrammingfire.com

picoCTF 2022: Cryptography: credstuff

Introduction Challenge: credstuff Category: Cryptography Description: We found a leak of a black-market website's login credentials. Can you find the password of the user cultiris and successfully decrypt it? Download the leak here. The first user in...

Oct 15, 20222 min read

NRNouman Rahmanprogrammingfire.com

picoCTF 2022: Cryptography: basic-mod-2

Introduction Challenge: basic-mod-2 Category: Cryptography Description: A new modular challenge! Download the message here. Take each number mod 41 and find the modular inverse for the result. Then map to the following character set: 1-26 are the al...

Oct 14, 20222 min read

NRNouman Rahmanprogrammingfire.com

picoCTF 2022: Cryptography: basic-mod1

Introduction Challenge: basic-mod1 Category: Cryptography Description: We found this weird message being passed around on the servers, we think we have a working decryption scheme. Download the message here. Take each number mod 37 and map it to the ...

Oct 14, 20222 min read

NRNouman Rahmanprogrammingfire.com

picoCTF 2022: Binary Exploitation: basic-file-exploit

Introduction Challenge: basic-file-exploit Category: Binary Exploitation Description: The program provided allows you to write to a file and read what you wrote from it. Try playing around with it and see if you can break it! Connect to the program ...

Oct 14, 20225 min read

USUjjawal Sainiujjawalsaini.hashnode.dev

PicoCTF 2022 Forensics walkthrough – Part 2

In this article, we will attempt to solve picoCTF 2022 Forensics challenges 4 to 9. Link to Part - 1 Let's get started! Challenge 4 - Packets Primer The description says to download the linked packet capture file and analyse it. Let's start by open...

Oct 6, 20226 min read

USUjjawal Sainiujjawalsaini.hashnode.dev

PicoCTF 2022 Forensics walkthrough - Part 1

In this article, we will attempt to solve picoCTF 2022 Forensics challenges 1 to 3. This post assumes you are familiar with what CTF is, if not then feel free to check out this introduction to CTF video by LiveOverFlow: So, let's get started. Chall...

Sep 29, 20225 min read

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picoCTF 2022: Binary Exploitation: buffer overflow 0

picoCTF 2022: Cryptography: credstuff

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picoCTF 2022: Cryptography: basic-mod1

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PicoCTF 2022 Forensics walkthrough – Part 2

PicoCTF 2022 Forensics walkthrough - Part 1

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picoCTF 2022: Binary Exploitation: buffer overflow 0

picoCTF 2022: Cryptography: credstuff

picoCTF 2022: Cryptography: basic-mod-2

picoCTF 2022: Cryptography: basic-mod1

picoCTF 2022: Binary Exploitation: basic-file-exploit

PicoCTF 2022 Forensics walkthrough – Part 2

PicoCTF 2022 Forensics walkthrough - Part 1