Assignment Goals (SLAE-1530)
Create a custom encoding scheme.
PoC with using execve-stack as the shellcode.
Creating our own encoder
Shellcode encoders are useful for two main reasons:
- Minimize the risk of getting cough by detection systems.
- Avoid bad characters from our original shellcode.
An encoder take a shellcode in input and output a different looking shellcode without affecting it functionality.
The main disadvantage with encoding is that your shellcode size will naturally increase.Read more...