United States recently dismantled the one of the largest and longest running botnet malicious malwares named "quakbot".
In the screenshot publicly posted by the FBi proving the bots far reaching computer system access , Telkom and Optinet conenctions are there. Heres a link from the FBI...
“Pony” botnet steals bitcoins, digital currencies
Cyber criminals have infected hundreds of thousands of computers with a virus called “Pony” to steal bitcoins and other digital currencies
Microsoft freed millions of computers from criminal botnet
Microsoft said that an assault it led earlier this month on one of the world’s biggest cyber crime rings has freed at least 2 million PCs infected with a virus
Microsoft’s Citadel bust thwarts 5-million strong PC botnet
Europol said a global effort led by Microsoft to stop one of the world’s biggest cybercrime rings has succeeded in wiping out the malicious computer networks that the gang used, known as the Citadel Botnets.