> Wonder who can do those sudden attacks?

Anyone with a few crypto currencies in their wallet that can click a button on any of the booter services with botnets for hire.

You are right, they don't have to do it themselves, but guess who's protecting the booters from other booters?

	▲	l23k4 2 hours ago \| parent \| next [-]
		Primarily specialist bulletproof ddos protection services like ddos-guard.ru, not "Cloudflare" as is the popular meme among clueless commenters.
	▲	linkregister 2 hours ago \| parent \| prev [-]
		Most modern booters are not maintaining public websites that could be the object of DDoS attacks. They're renting residential IP addresses from free VPN users.