class Rex::ElfScan::Scanner::RegexScanner

Public Instance Methods

config(param) click to toggle source
# File lib/rex/elfscan/scanner.rb, line 192
def config(param)
  self.regex = Regexp.new(param['args'], nil, 'n')
end
scan_segment(program_header, param={}) click to toggle source
# File lib/rex/elfscan/scanner.rb, line 196
def scan_segment(program_header, param={})
  offset = program_header.p_offset

  hits = []

  while offset < program_header.p_offset + program_header.p_filesz &&
  (offset = elf.index(regex, offset)) != nil

    idx = offset
    buf = ''
    mat = nil

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

    rva = elf.offset_to_rva(offset)

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

  return hits
end