The time_point representing the current time. time_point is a member type, defined as an alias of time_point<high_resolution_clock>.
Slammer (also known as Sapphire, Helkern or SQLExp) was a worm that appeared in 2003 January and was the fastest-spreading worm of its time. The worm was an extremely simple piece of code and its payload was an unintended byproduct of its spreading ability.
Slammer exists entirely in the computer's memory. At no point does it save itself to any disk. It makes no changes to the system at all. These facts make removal of the worm as easy as shutting the system down.