A large botnet targets M365 accounts with password spraying attacks

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 […]

February 24, 2025
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Quad7 botnet evolves to more stealthy tactics to evade detection

The Quad7 botnet evolves and targets new  SOHO devices, including Axentra media servers, Ruckus wireless routers and Zyxel VPN appliances. The Sekoia TDR team identified additional implants associated with the Quad7 botnet operation. The botnet operators are targeting multiple SOHO devices and VPN appliances, including TP-LINK, Zyxel, Asus, D-Link, and Netgear, exploiting both known and […]

September 10, 2024
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New InfectedSlurs Mirai-based botnet exploits two zero-days

Mirai-based botnet InfectedSlurs has been spotted exploiting two zero-day RCE flaws to compromise routers and video recorder (NVR) devices. Akamai discovered a new Mirai-based DDoS botnet, named InfectedSlurs, actively exploiting two zero-day vulnerabilities to infect routers and video recorder (NVR) devices. The researchers discovered the botnet in October 2023, but they believe it has been […]

November 23, 2023
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