![Jan-Jun24 Jan-Jun24](https://info.spamhaus.com/hubfs/Botnet%20Reports/Jan-Jun24.png)
Published 9 July 2024
Overall botnet activity decreased between January and June this year by -6%. Cobalt Strike also declined by -41%. Meanwhile, android backdoors were on the rise, with new entries from Hook and Coper. Read the full report.
![Q4 2023 Q4 2023](https://info.spamhaus.com/hubfs/Q4%202023.png)
Published 11 January 2024
In Q4 2023, the number of botnet command and control (C&C) servers increased by 16%. China, the United States, and Russia were the countries leading the pack, with a significant spike in Bulgaria, and a disappointing surge in active botnet C&Cs across big-name networks.
![Q2 2023 Q2 2023](https://info.spamhaus.com/hubfs/Q2%202023.png)
Published 11 July 2023
Botnet C&C operators plateaued in Q2 (+1%). Spamhaus researchers observed 8,438 botnet C&Cs, with increases across The Americas and decreases across Europe - yet Cobalt Strike and Qakbot persist. Download the latest report to find all the updates.
![Q1 2023 button Q1 2023 button](https://info.spamhaus.com/hubfs/Q1%202023%20button.png)
Published 12 April 2023
Botnet C&C operators continued to escalate in Q1. Spamhaus researchers saw a 23% increase in newly observed botnet C&C servers - with Cobalt Strike and Quakbot ever-present. Get all the latest insights, including the rise in popularity of credential stealer RecordBreaker in this report.
![Frame 29_x2 Frame 29_x2](https://info.spamhaus.com/hubfs/Frame%2029_x2.png)
Published 10 Jan 2023
In this two-page 2022 wrap-up, find the number of botnets C&Cs Spamhaus has identified (the largest number since our records began), plus the most prolific malware families associated with botnet C&Cs, and the networks and geolocations with the most botnet C&C traffic associated.
![Frame 30 Frame 30](https://info.spamhaus.com/hubfs/Frame%2030.png)
Published 12 Jan 2023
Botnet C&C operators gathered momentum in Q4. Spamhaus researchers saw a 56% increase in newly observed botnet C&C servers, the largest increase since Q3 2021! Get all the latest insights, including the rise of threats such as Qakbot and CobaltStrike, in this quarter's report.
![Q3 2022 Q3 2022](https://info.spamhaus.com/hubfs/Q3%202022.png)
Published 13 October 2022
It was a busy quarter for Q3! No rest up over the vacation period with a 38% increase in botnet C&Cs detected by the research team - so there's a lot for you to catch up on. This quarter, we saw a vast amount of botnet C&Cs out of China - download the report to find all the updates.
![5-1 5-1](https://info.spamhaus.com/hubfs/5-1.png)
Published 20 April 2022
It might've been a modest increase in new botnet C&Cs this quarter, but the offering of freebie services are attracting a load of badness and the LatAm region continues to struggle with abuse. Get all the latest insights in this quarter's report.
![4-1 4-1](https://info.spamhaus.com/hubfs/4-1.png)
Published 20 January 2022
Q4 update on the botnet command and controllers our researchers are observing, including geolocation and who is hosting them.