Occasionally I come across some really good scam attempts. But most of the time I'm surprised at how bad scams are presented. Let's look at a recent scam I received.
I came across somebody that was asking about how to test their code. They had a function that would do certain work at short intervals and then some other work after a longer period of time. They provided a simplified version of the code and it looked something like this. They had coverage for the short period work (I guess functions foo and/or bar in the simplified example had some side effect they could test for.