Import file into image

[QuiGonJinn]

need technical question. if i have example mdf image of cd, and i want to import another file into that image before burning on cd how can i do that with what software, and not to loose all protecion information and boot informations.

i think nothing illegall is in here because i didn't say i was going to copy data.
thank you in farward. reason i put this post here, couse i don't know other place to go.

if you tell me about IsoBuster then i don't know how to do it with this software. can you tell me in deatils how can i imort file and folder btw. need to make another folder also to place that file in.