grantseltzer

Keybase proof

I hereby claim:

• I am grantseltzer on github.
• I am grantseltzer (https://keybase.io/grantseltzer) on keybase.
• I have a public key ASC1UD_DnAXkpdEZ7hClPkfFE9Sif-Sara8gPPscSOMHSAo

To claim this, I am signing this object:

grantseltzer

package main

import "fmt"

func cappy() {
	x := [23]string{}
	x[0] = ` _______  _______  _______  _______           _        _______     _____  `
	x[1] = `(  ____ \(  ___  )(  ____ )(  ____ \|\     /|( \      (  ____ \   / ___ \ `
	x[2] = `| (    \/| (   ) || (    )|| (    \/| )   ( || (      | (    \/  ( (___) )`
	x[3] = `| |      | (___) || (____)|| (_____ | |   | || |      | (__       \     / `

grantseltzer

function chrome() {
        docker run \
        --rm \
        --security-opt seccomp=$HOME/.seccomp/chrome.json \
        --net=host \
        --memory 512mb \
        --cpuset-cpus 0 \
        -e DISPLAY=unix$DISPLAY \
        -v $HOME/Downloads:$HOME/Downloads \

grantseltzer

package main

import "fmt"

func main() {
  fmt.Println("this is a test")
}

grantseltzer

// A Symbol represents an entry in an ELF symbol table section.
type Symbol struct {
	Name        string
	Info        byte
	Other       byte
	Section     SectionIndex
	Value       uint64
	Size        uint64
}

grantseltzer

// Open the ELF file
elfFile, err := elf.Open(path)
if err != nil {
  log.Fatalf("error while opening ELF file %s: %+s", path, err.Error())
}

// Extract the symbol table
symbolTable, err := elfFile.Symbols()
if err != nil {
  log.Fatalf("could not extract symbol table: %s", err.Error())

grantseltzer

input := []byte{0x64, 0x48, 0x8B, 0xC, 0x25, 0xF8, 0xFF, 0xFF, 0xFF}

instructions, err := engine.Disasm(input, 0, 0)
if err != nil {
	log.Fatal(err)
}

for _, instruction := range instructions {
	fmt.Printf("0x%x:\t%s\t\t%s\n", instruction.Address, instruction.Mnemonic, instruction.OpStr)
}

grantseltzer

// extract the .text section
textSection := elfFile.Section(".text")
if textSection == nil {
	log.Fatal("No text section")
}

// extract the raw bytes from the .text section
textSectionData, err := textSection.Data()
if err != nil {
	log.Fatal(err)

grantseltzer

package main

import (
	"debug/elf"
	"fmt"
	"log"
	"os"

	"github.com/bnagy/gapstone"
)

grantseltzer

engine, err := gapstone.New(
	gapstone.CS_ARCH_X86,
	gapstone.CS_MODE_64,
)
if err != nil {
	log.Fatal(err)
}