Method and apparatus for detecting a bootleg

The invention relates to a method for detecting an illegal copy, in which a first software includes a copy of at least part of a second software, the following steps are carried out, in which the first software is executed, wherein in a take place during a procedure changing write and / or read operation of a group of parameters of a procedure instance on one and / or at least one characteristic of this writing and / or reading operation parameter is added to a first document in a time of occurrence of the writing and / or reading operations order from a stack, the second software is carried out, at a taking place during a procedure changing write and / or read process of a parameter group of a procedure instance to a or from a stack, at least one for this writing and / or reading operation characteristic parameter in a for an occurrence of the writing and / or Lesevorg is taken in a second document length temporal order of at least one of the characteristic parameters of at least a portion of the second document with at least one of the corresponding characteristic parameter is formed at least of a portion of the first document at least one correlation value by correlating and a presence of the pirated copy is displayed, if the correlation value is greater than a threshold. Furthermore, the invention also relates to a ...