ShadowV2, a new Mirai-based botnet, briefly targeted vulnerable IoT devices during October’s AWS outage, likely as a test run. During the late-October AWS disruption, FortiGuard Labs researchers observed the Mirai-based ‘ShadowV2’ malware exploiting IoT vulnerabilities across multiple countries and industries. The botnet was active only during the outage, suggesting a test run for future attacks. […]
Europol’s Operation Endgame dismantles Rhadamanthys, Venom RAT, and Elysium botnet in a global crackdown on cybercriminal infrastructures. Europol and Eurojust have launched a new phase of Operation Endgame, carried out between November 10 and 13, 2025, dismantling major malware families including Rhadamanthys Stealer, Venom RAT, and the Elysium botnet as part of a global effort […]
DanaBot returns after 6 months with a new Windows variant (v669), marking its comeback after being disrupted by Operation Endgame in May. DanaBot has resurfaced with a new variant (version 669) targeting Windows systems, six months after Operation Endgame disrupted its activity in May, according to Zscaler ThreatLabz. The researchers identified a set of command […]
A new Mirai-based IoT botnet, dubbed Aisuru, was used to launch multiple high-impact DDoS attacks exceeding 20Tb/sec and/or 4gpps. In October 2025, the Aisuru Mirai-based IoT botnet launched massive DDoS attacks of over 20Tb/sec, mainly targeting online gaming, cybersecurity firm Netscout reports. The botnet uses residential proxies to reflect HTTPS DDoS attacks. Its nodes are […]
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 […]