What is karachun?

As an AI language model, I do not have beliefs, opinions or emotions. However, I can provide some information about Karachun.

Karachun is a forest-covered mountain located in Ukraine, with its highest peak reaching an elevation of 572 meters. The mountain is famous in Slavic mythology as a powerful spirit that rises from the underworld on the winter solstice, bringing death and decay to the land. It is also associated with dark rituals and witchcraft.

In recent times, the name Karachun was given to a malware which was discovered in 2018. This malware is known for its ability to infect routers and Internet of Things (IoT) devices, making them part of a botnet that can be used for various malicious purposes including DDoS attacks.