for segment in binary.segments:
        if segment.header['p_type'] == 'PT_INTERP':
            size = segment.header['p_memsz']
            addr = segment.header['p_paddr']
            data = segment.data()
            if size <= len(ld):
                log.failure("Failed to change PT_INTERP from {} to {}".format(data, ld))
                return None
            binary.write(addr, ld.ljust(size, '\0'))
            if not os.access('/tmp/pwn', os.F_OK): os.mkdir('/tmp/pwn')
            path = '/tmp/pwn/{}_debug'.format(os.path.basename(binary.path))
            if os.access(path, os.F_OK): 
                os.remove(path)
                info("Removing exist file {}".format(path))
            binary.save(path)    
            os.chmod(path, 0b111000000) #rwx------
    success("PT_INTERP has changed from {} to {}. Using temp file {}".format(data, ld, path)) 
    return ELF(path)