I know. :-) all those people downvoting... and not one of them typed in the following Google search: https://www.google.com.au/search?q=discovering+internal+we

I know. :-) all those people downvoting... and not one of them typed in the following Google search: https://www.google.com.au/search?q=discovering+internal+web+applications https://www.google.com.au/search?q=discovering+internal+web+... Leading to gems like this: https://www.verisgroup.com/2014/07/15/internal-web-application-discovery-during-post-exploitation/ https://www.verisgroup.com/2014/07/15/internal-web-applicati... And this: https://books.google.com.au/books?id=lXr0AgAAQBAJ&pg=PA429&lpg=PA429&dq=discovering+internal+web+applications&source=bl&ots=vduDFYAnwx&sig=DZ7VsIyiWwkK71u78CUb129g0fk&hl=en&sa=X&ved=0ahUKEwiGi-7kx_PPAhVMVWMKHVeoCEkQ6AEIGjAA#v=onepage&q=discovering%20internal%20web%20applications&f=false https://books.google.com.au/books?id=lXr0AgAAQBAJ&pg=PA429&l... Or even this: http://www.pentest-standard.org/index.php/Intelligence_Gathering http://www.pentest-standard.org/index.php/Intelligence_Gathe...