Current theory is they are testing their botnet. Basically they are not succeeding at all, and we are confused why they aren't successful. Even throwing random passwords they should have a higher success rate. Their success rate is like <0.01%.
Madness string 84028
The compound exploded in solution, it exploded on any attempts to touch or move the solid, and, most interestingly, it exploded when they were trying to get an infrared spectrum of it.