Memory IO

Read/Write complicated structures in memory easily.

Installation

Available on RubyGems.org!

$ gem install memory_io

Usage

Read Process's Memory

require 'memory_io'

process = MemoryIO.attach(`pidof victim`.to_i)
puts process.read('heap', 4, as: :u64).map { |c| '0x%016x' % c }
# 0x0000000000000000
# 0x0000000000000021
# 0x00000000deadbeef
# 0x0000000000000000
#=> nil

process.read('heap+0x10', 4, as: :u8).map { |c| '0x%x' % c }
#=> ['0xef', '0xbe', '0xad', '0xde']

process.read('libc', 4)
#=> "\x7fELF"