Exactly! Even I worked on some ZeuS scripts back when i was freelancing. Not sure if qualifies for weapon. It may kill a JS programmer if they look at it though.
Upd. Oh it was sarcasm.
Joking, black hats are pain to deal with on payment side before bitcoin, so I havent got anywhere with that task.
Initially it was explained "create some inputs and ask for some numbers from the user" but later I realized what it is for: it's kind of a script that is injected in a banking page to leak credentials. Then I decided to not proceed with this shady task.
Upd. Oh it was sarcasm. Joking, black hats are pain to deal with on payment side before bitcoin, so I havent got anywhere with that task.