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These scripts have been created for completing the requirements of the SecurityTube Linux Assembly Expert 64-bit certification:

Student ID: SLAE64 - 1439

Assignment 1

Create a Shell_Bind_TCP shellcode

  • Binds to a port
  • needs a "Passcode"
  • If Passcode is correct then Execs Shell

Remove 0x00 from the Bind TCP Shellcode discussed

Assignment 2

Create a Shell_Reverse_TCP Shellcode

  • Reverse connects to configured IP and Port
  • needs a "Passcode"
  • If Passcode is correct then Execs Shell

Remove 0x00 from the Reverse TCP Shellcode discussed

Assignment 3

Study about the Egg Hunter shellcode

Create a working demo of the Egghunter

Should be configurable for different payloads

Assignment 4

Create a Custom encoding scheme like the "Insertion Encoder" we showed you

PoC with using execve-stack as the shellcode to encode with your schema and execute

Assignment 5

Take up at least 3 shellcode samples created using MSFPayload for linux/x86_64

Use GDB to dissect the functionality of shellcode

Document your analysis

Assignment 6

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

Assignment 7

Create a custom crypter like the one shown in the "crypters" video

Free to use any existing encryption schema

Can use any programming language

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