shellcode_utils

One liners to convert C code to shellcode

Usage

Downloading

$ git clone https://github.com/acheong08/shellcode_utils

Dependencies

$ cd shellcode_utils/linux

$ ./requirements.sh

Running

$ ./get_shellcode.sh <C file> <arch>

Arch: choose from '16', '32', '64', 'android', 'baremetal', 'cgc', 'freebsd', 'linux', 'windows', 'powerpc64', 'aarch64', 'powerpc', 'sparc64', 'mips64', 'msp430', 'alpha', 'amd64', 'riscv', 'sparc', 'thumb', 'cris', 'i386', 'ia64', 'm68k', 'mips', 's390', 'none', 'avr', 'arm', 'vax', 'little', 'big', 'be', 'eb', 'le', 'el'

Other notes

Using the shellcode

Credits

https://github.com/ebubekirtrkr/c2shellcode - For converting C to assembly

https://github.com/Gallopsled/pwntools - For getting raw opcodes from assembly

https://github.com/ColeHouston/x64-shellcode-encoder - For converting raw opcodes into string and fixing null bytes

https://github.com/isears/x86AlphanumEncoder - For x86 encoding