Heere joo go!
It's a Flanders Red, "infected" with Wyeast's Roeselare Blend (Saccharomyces, Brettanomyces, and Lactic bacteria). If your beer looks like this, it's probably infected with brett, lactic bacteria, or some other kind of similar stuff.
And here's the thing: it's very rare to "accidentally" create a sour beer that's any good. You need to start off with a good base for the style, use the bugs intended for that style, and age it accordingly. As with oak, many people think that, if they have a crappy batch of beer, they can "save" it by oaking it or adding bugs. Garbage in, garbage out, as the saying goes. Others accidentally get infected and people think they've made a lambic. Nay-nay. It's possible, but the odds are stacked against you in almost all possible ways. First, chances are that the base beer had too much bitterness and hop character to be a good base beer for a sour style. Second, the chances that you're accidentally infected with a bug that makes good sour beer are also minuscule. FYI.