Ky1vstar cyberattack - under the hood of the malicious scripts

The attack overview

In mid-December, it was revealed that a devastating cyberattack hit Ukr@ine's biggest telecommunications company. The attack disabled the company's services for days (!), leaving over twenty million Ukrainians without mobile communication and internet access.

Ukrainian officials described the attack as having disastrous consequences, causing the complete destruction of the telecoms operator's core infrastructure. The attackers managed to wipe out nearly all data, including thousands of virtual servers and PCs.

Below, you can see the attack chain, which …

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