V1.3 : New payloads (upper or lower, ^, $@)

Added to level 2 these type of payloads :

• The command name can now have lower or upper letters
• The command name can get "^" (windows only)
• The command name can get "$@" (linux only)

Next steps:

• Rework to have all encoded commands in base64, xxd, rot13 with every types of payloads
• Using threads
• Reverse type of payload (ex: whoami as command argument will give you $(rev<<<'whoami')

V1 : CMDi

Output & Help Menu are done :).

Level 1:

• IFS, %09 for spaces

Level 2:

• Level 1 elements
• Add q uotes to the command name

Level 3:

• Level 1 & 2 elements
• Encode command into base64, hex(xxd), rot13