Description of the assignment

• Create a custom crypter like the one shown in the “crypters” video
• Free to use any existing encryption schema
• Can use any programmming language

Description of the assignment

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

As follows the list of shellcodes that we are going to change into polymorphic ones:

• downloadexec
• chmod 0777 /etc/shadow
• Add r00t user to /etc/passwd

Description of the assignment

• 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 your analysis

We are going to analyse together the following shellcodes:

• linux/x86/adduser
• linux/x86/exec
• linux/x86/chmod

Description of the assignment

• 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.

Description of the assignment

• Study about the EggHunter shellcode;
• Create a working demo of the EggHunter;
• Should be configurable for different payload.

Description of the assignment

• Create a Shell_Reverse_TCP Shellcode:
  • Reverse connects to configured IP and Port;
  • Execs Shell on sucessfull connection;
• IP and Port should be easily configurable.

Description of the assignment

• Create a Shell_Bind_TCP Shellcode:
  • Binds to a port;
  • Execs Shell on incoming connection;
• Port should be easily configurable.