[Tacnayn]

Well it's jailbroken, that opens up a whole new world and become vulnerable to these things, he could've used exploits through Mobile Terminal or maybe a program through his computer, but I've never heard of someone hacking into their iPhone and do something like that!

[AnthonyWasH3r3]

How do you know he can see you in the front camera?
And has your friend have any access to your phone?

[AnthonyWasH3r3]

Look, if you are wondering what program he is using (assuming he really did get you) go do what a user suggested already. Check SBSettings, go to more, then click on mobile substrate addons. Post that list.

After that, go to Cydia -> manage -> packages.
See if there is anything suspicious there.

[AnthonyWasH3r3]

I have an idea for a iphone rat I want to make. I just have to get the time to develop it. But not going to be soon at all so don't get your hopes up yet.