emonti

#!/usr/bin/env jruby
# This code works fine in MRI, but not JRuby. For some strange reason 
# jruby cannot superclass FFI::MemoryPointer or FFI::Buffer and override
# the initialize() method.

require 'ffi'

class SpecialBuffer < FFI::Buffer
  def initialize()
    super(256)

emonti

# copy and paste this into IRB...
#
require 'ffi'

class Foo < FFI::Struct
  layout :ary, [:uint16, 10]
end


f = Foo.new

emonti

# Drop this into msf3 root-dir as 'msf-rex.gemspec'.
#
# Create gem with:
#   $ gem build msf-rex.gemspec
#
# Note there's already a "rex" rubygem, which is why we used 'msf-rex'.
# We can still "require 'rex'" though.


$: << 'lib'

emonti

//--------------------------------------
//--- 010 Editor v3.2.2 Binary Template
//
// File: dyld_shared_cache.bt
// Author: Eric Monti
// Revision: 0.0.1
// Purpose: Parses Mac/iOS dyld_shared_cache format
//--------------------------------------

emonti

#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <sys/stat.h>

emonti

#include <stdio.h>

#define ROWS    10
#define COLUMNS 7

// This is a 2-dimensional array.
// It makes accessing the values of a 
// bitmap easy by using x/y references.
int grid[ROWS][COLUMNS] = {
    {0,0,0,0,0,0,0}, // 7 columns across

emonti

#include <stdio.h>

int main()
{
    // Notice, there are no brackets around the rows this time.
    // This is a 1-dimensional array. Even though it looks 2d in
    // the code, it's one long list to the computer.
    //
    // Using a 1-dimensional array, we can still treat the data 
    // inside of it as a grid in our code, though.

emonti

#!/usr/bin/env ruby
# author eric monti ~ nov 20, 2012
# license: DWTFYW
require 'rubygems'
require 'ffi'

class LLVMDisassembler
  module C
    extend FFI::Library
    ffi_lib ['LLVM', 'LLVM-3.2svn', 'LLVM-3.1', 'LLVM-3.0']

emonti

#!/bin/bash
# quick/dirty build a dynamic lib from xpwn - eric monti
# WARNING: this was for something really specific -- YMMV...
# drop this in your top-level directory where you checked out planetbeing/xpwn and cross your fingers ;)

cmake -f CMakeLists.txt
make || exit 1

rm -rf ./sharedlib
mkdir -p ./sharedlib/lib

emonti

#!/usr/bin/env ruby

fname = ARGV.shift
fname || exit!

sections = `otool -l \"#{fname}\" |grep -A11 ^Section`.split(/^--$/).map do |sect_txt|
  lines = sect_txt.lines.map(&:chomp)
  Hash[ lines.map{|ln| ln.strip.split(' ', 2) } ]
end.select{|sect| sect["segname"] == "__DATA" and sect["sectname"] =~ /^data_\d+$/ }