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Botnet command & control domain registrations go through the roof in 2018

ID: cc4c15c8-f768-5bf6-a1ca-b11ae5fce259

STIX ID: report--cc4c15c8-f768-5bf6-a1ca-b11ae5fce259

Feed Name: The Spamhaus Project

Threat Score
55/100

Date Published: 2019-02-22

Date Updated: 2026-04-30

Author: The Spamhaus Team

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**Executive summary:** The report highlights trends in TLD abuse for botnet command-and-control infrastructure, reporting a 56% rise in .pw listings (an increase of 4,835 C&Cs), decreased .ru registrations, the emergence of Freenom-operated free TLDs (.tk, .ml, .ga, .gg, .cf) in abuse rankings, and the specific risks posed by decentralized TLDs such as .bit (resilience to takedown, registrant anonymity, and DNS firewall bypass).

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