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Multiple DDoS botnets were observed targeting Zyxel devices

Security Affairs

Researchers warn of several DDoS botnets exploiting a critical flaw tracked as CVE-2023-28771 in Zyxel devices. Fortinet FortiGuard Labs researchers warned of multiple DDoS botnets exploiting a vulnerability impacting multiple Zyxel firewalls. through 4.73, VPN series firmware versions 4.60 through 5.35.

DDOS 97
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InfectedSlurs botnet targets QNAP VioStor NVR vulnerability

Security Affairs

In November, Akamai warned of 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 active since at least 2022. and earlier. and earlier (5.0.0

Firmware 113
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Widespread exploitation by botnet operators of Zyxel firewall flaw

Security Affairs

Threat actors are actively exploiting a command injection flaw, tracked as CVE-2023-28771, in Zyxel firewalls to install malware. Threat actors are actively attempting to exploit a command injection vulnerability, tracked as CVE-2023-28771 , that impacts Zyxel firewalls. through 4.73, VPN series firmware versions 4.60

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A new Mirai botnet variant targets TP-Link Archer A21

Security Affairs

Mirai botnet started exploiting the CVE-2023-1389 vulnerability (aka ZDI-CAN-19557/ZDI-23-451 ) in TP-Link Archer A21 in recent attacks. Last week, the Zero Day Initiative (ZDI) threat-hunting team observed the Mirai botnet attempting to exploit the CVE-2023-1389 vulnerability (aka ZDI-CAN-19557/ZDI-23-451, CVSS v3: 8.8)

DDOS 92
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Interview With a Crypto Scam Investment Spammer

Krebs on Security

Chaput said that on May 4, 2023, someone unleashed a spam torrent targeting users on these Mastodon communities via “private mentions,” a kind of direct messaging on the platform. Shortly after that, those same servers came under a sustained distributed denial-of-service (DDoS) attack.

Scams 251
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Security Affairs newsletter Round 419 by Pierluigi Paganini – International edition

Security Affairs

ransom Dragon Breath APT uses double-dip DLL sideloading strategy International Press Cybercrime San Bernardino County pays $1.1-million ransom Dragon Breath APT uses double-dip DLL sideloading strategy International Press Cybercrime San Bernardino County pays $1.1-million

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Security Affairs newsletter Round 420 by Pierluigi Paganini – International edition

Security Affairs

X Master Password Dumper (CVE-2023-32784) Malware RapperBot DDoS Botnet Expands into Cryptojacking Newly identified RA Group compromises companies in U.S. X Master Password Dumper (CVE-2023-32784) Malware RapperBot DDoS Botnet Expands into Cryptojacking Newly identified RA Group compromises companies in U.S.