A botnet of 100K+ IPs from multiple countries is attacking U.S. RDP services in a campaign active since October 8. GreyNoise researchers uncovered a large-scale botnet that is targeting Remote Desktop Protocol (RDP) services in the United States starting on October 8. The company discovered the botnet after detecting an unusual spike in Brazilian IP […]
DOJ charges 22-year-old Ethan Foltz of Oregon for running RapperBot, a DDoS botnet behind 370K+ attacks in 80+ countries since 2021. The U.S. DOJ charged 22-year-old Ethan Foltz of Oregon for running the RapperBot botnet, used in over 370,000 DDoS-for-hire attacks since 2021. The criminal service is active in over 80 countries, RapperBot enabled large-scale […]
Cloudflare blocked 7.3M DDoS attacks in Q2 2025, down from 20.5M in Q1, while hyper-volumetric attacks surged with 6,500+ blocked, averaging 71 daily. Cloudflare mitigated 7.3M DDoS attacks in Q2 2025, down from 20.5M in Q1, 13.5M of which stemmed from an 18-day Q1 campaign. Hyper-volumetric attacks surged, with over 6,500 blocked, averaging 71 per […]
A new variant of the Mirai botnet exploits CVE-2024-3721 to target DVR systems, using a new infection method. Researchers from Russian cybersecurity firm Kaspersky discovered a new variant of the Mirai botnet that exploits a command injection vulnerability (CVE-2024-3721) in TBK DVR-4104 and DVR-4216 digital video recording devices. During a review of the logs in […]
GreyNoise researchers warn of a new AyySSHush botnet compromised over 9,000 ASUS routers, adding a persistent SSH backdoor. GreyNoise discovered the AyySSHush botnet has hacked over 9,000 ASUS routers, adding a persistent SSH backdoor. “Using an AI powered network traffic analysis tool we built called SIFT, GreyNoise has caught multiple anomalous network payloads with zero-effort that […]
PumaBot targets Linux IoT devices, using SSH brute-force attacks to steal credentials, spread malware, and mine crypto. Darktrace researchers discovered a new botnet called PumaBot targets Linux-based IoT devices, using SSH brute-force attacks to steal credentials, spread malware, and mine cryptocurrency. PumaBot skips broad internet scans and instead pulls a list of targets from its […]
New botnet HTTPBot is targeting China’s gaming, tech, and education sectors, cybersecurity researchers warn. NSFOCUS cybersecurity discovered a new botnet called HTTPBot that has been used to target the gaming industry, technology firms, and educational institutions in China. HTTPBot is a Go-based botnet first detected in August 2024, however, its activity surged by April 2025. The botnet […]
Law enforcement dismantled a 20-year botnet behind Anyproxy and 5socks cybercriminals services and arrested four suspects. Authorities dismantled a 20-year-old botnet tied to Anyproxy and 5socks as part of an international operation codenamed “Operation Moonlander”; four men, including three Russians, were indicted for running the illegal proxy networks. The U.S. Justice Department charged Russian nationals, […]
Mirai-based botnets are exploiting a zero-day flaw, tracked as CVE-2025-1316, in Edimax IP cameras, to achieve remote command execution. US CISA warns that multiple botnets are exploiting a recently disclosed vulnerability, tracked as CVE-2025-1316 (CVSS score of 9.8), in Edimax IC-7100 IP cameras. The issue is an Improper Neutralization of Special Elements used in an […]
A botnet of 130,000+ devices is attacking Microsoft 365 accounts via password-spraying, bypassing MFA by exploiting basic authentication. SecurityScorecard researchers discovered a botnet of over 130,000 devices that is conducting password-spray attacks against Microsoft 365 (M365) accounts worldwide. The attackers targeted accounts protected with basic authentication bypassing multi-factor authentication. The experts pointed out that organizations […]