class Rex::MachScan::Scanner::RegexScanner

Public Instance Methods

config(param) click to toggle source
# File lib/rex/machscan/scanner.rb, line 182
def config(param)
  self.regex = Regexp.new(param['args'], nil, 'n')
end
scan_segment(segment, param={}) click to toggle source
# File lib/rex/machscan/scanner.rb, line 186
def scan_segment(segment, param={})
  base_addr = segment.vmaddr
  segment_offset = segment.fileoff
  offset = segment_offset

  hits = []

  while offset < segment.fileoff + segment.filesize && (offset = mach.index(regex, offset)) != nil

    idx = offset
    buf = ''
    mat = nil

    while (! (mat = buf.match(regex)))
      buf << mach.read(idx, 1)
      idx += 1
    end

    vaddr = base_addr + (offset - segment_offset)

    hits << [ vaddr, buf.unpack("H*") ]
    offset += buf.length
  end
  return hits
end