Buying appointments in German embassy in Tehran, Iran [closed]

I need an appointment for legalization of documents (not visa!) in the German embassy in Tehran. For a normal human it is almost impossible to book an appointment there, because the booking page is available for less than one minute per day, and if you get there, you may be to slow and all the waiting was in vain.

But you can buy the appointments from some people for ca. 100 dollars. I don’t know how they do it, but I think they have some technical solution, like automating the entering of data and checking if the booking system is open. Lots of people suspect that there is some kind of corruption in the embassy, but honestly I can’t think about that in the German(!) embassy, as the Germans are known to be very bureaucratic and correct.

I have two questions:

• How do those appointment sellers do it? Then I could do it for myself the same way.

• Do you have experience with buying that appointments? I know that it is really successful for most of the customers but more information would be nice.