Extracts TEXT section of a PE, ELF, or Mach-O executable to shellcode

Installation

To install to GOPATH/bin:

go install github.com/Binject/exec2shell@latest

Build from source:

git clone https://github.com/Binject/exec2shell.git

cd exec2shell

go build .

Usage

exec2shell [-h|--help] -i|--in "" [-o|--out ""] [-c|--c-outfile ""] [-n|--c-var ""] [-g|--go-outfile ""] [-p|--go-pkg ""] [-v|--go-var ""]

Arguments:

Short Form	Long Form	Description	Default
-h	--help	Print help information
-i	--in	Input PE, ELF, or Mach-o binary
-o	--out	Output file - Shellcode as Binary	shellcode.bin
-c	--c-outfile	Output file - Shellcode as C Array
-n	--c-var	Sets variable name for C Array output.	SHELLCODE
-g	--go-outfile	Output file - Shellcode as Go Array
-p	--go-pkg	Sets package string for Go Array output.	shellcode
-v	--go-var	Sets variable name for Go Array output.	shellcode

Examples

Make shellcode from a binary:

exec2shell -i someprog.exe -o shellcode.bin

Make a C-Array style header file shellcode:

exec2shell -i someprog.exe -c shellcode.h -n SHELLCODE_VARNAME

Make a Go-Array style shellcode

exec2shell -i someprog.exe -g shellcode.go -p mypackage -v GO_VARNAME

Make All the Things at Once:

exec2shell -i someprog.exe -o shellcode.bin -c shellcode.h -g shellcode.go -p mypackage -n C_VARNAME -v GO_VARNAME