This repository has been created for completing the requirements of the SecurityTube Linux Assembly Expert certification: http://securitytube-training.com/online-courses/securitytube-linux-assembly-expert/

SecurityTube Linux Assembly Expert x86 Assignments

Bind TCP Shellcode

• Create a shell bind tcp shellcode
  • Binds to a port
  • Execs shell on incoming connection
• Port number should be easily configurable

Reverse TCP Shellcode

• Create a shell reverse tcp shellcode
  • Reverse connects to configured IP and port
  • Execs shell on successful connection
• IP and port should be easily configurable

Egg Hunter Shellcode

• Study about egg hunter shellcode
• Create a working demo of the egg hunter
  • Should be configurable of different payloads

Custom Shellcode Encoder

• Create a custom encoding scheme
• PoC using execve-stack as the shellcode to encode with the schema and execute

Shellcode Analysis

• Take up at least 3 shellcode samples created using msfpayload for linux/x86
• Use GDB/ndisasm/libemu to dissect the functionality of the shellcode
• Present analysis

Shellcode Polymorphism

• Take up 3 shellcodes from shell-storm and create polymorphic versions of them to beat pattern matching
  • The polymorphic versions cannot be larger 150% of the existing shellcode
  • Bonus points for making it shorter in length than original

Custom Shellcode Crypter

• Create a custom crypter
• Free to use any existing encryption schema
• Use any programming language