If you are able to obtain a copy of your program that you believe has been illegally copied, you run a watermark recognizer to extract the watermark/fingerprint from the program.

Example

Here is a view of SandMark recognizing the watermark WILDCATS in the TTT application shown in here :

Note that the graphs that SandMark generates can be viewed by clicking on the Graphs button:

Configuration

Several options steer the recognition of the mark. In most cases you can leave the defaults in place.