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MikroTik botnet relies on DNS misconfiguration to spread malware

Security Affairs

Researchers discovered a 13,000-device MikroTik botnet exploiting DNS flaws to spoof 20,000 domains and deliver malware. Infoblox researchers discovered a botnet of 13,000 MikroTik devices that exploits DNS misconfigurations to bypass email protections, spoof approximately 20,000 domains, and deliver malware.

DNS 138
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Joint Advisory Warns of Fast Flux DNS Tactics Evading Detection

SecureWorld News

Fast flux is a method used by cybercriminals to rapidly change Domain Name System (DNS) records, such as IP addresses, associated with a single domain. Double flux: In addition to rotating IP addresses, the DNS name servers resolving the domain also change frequently, adding layers of redundancy and anonymity. Fast flux DNS is not new.

DNS 103
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Firefox Enables DNS over HTTPS

Schneier on Security

This is good news : Whenever you visit a website -- even if it's HTTPS enabled -- the DNS query that converts the web address into an IP address that computers can read is usually unencrypted. DNS-over-HTTPS, or DoH, encrypts the request so that it can't be intercepted or hijacked in order to send a user to a malicious site. [.].

DNS 276
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Morphing Meerkat phishing kits exploit DNS MX records

Security Affairs

Morphing Meerkat phishing kits exploit DNS MX records to deliver spoofed login pages, targeting over 100 brands. Threat actors are exploiting DNS techniques to enhance phishing attacks, using MX records to dynamically serve spoofed login pages. By July 2023 kits could dynamically load phishing pages based on DNS MX records.

DNS 83
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PlugX malware deleted from thousands of systems by FBI

Malwarebytes

The FBI says it has removed PlugX malware from thousands of infected computers worldwide. The move came after suspicion that cybercriminals groups under control of the Peoples Republic of China (PRC) used a version of PlugX malware to control, and steal information from victims’ computers.

Malware 118
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ZLoader Malware Returns With DNS Tunneling to Stealthily Mask C2 Comms

The Hacker News

Cybersecurity researchers have discovered a new version of the ZLoader malware that employs a Domain Name System (DNS) tunnel for command-and-control (C2) communications, indicating that the threat actors are continuing to refine the tool after resurfacing a year ago. Zloader 2.9.4.0

DNS 137
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ZuoRAT Malware Is Targeting Routers

Schneier on Security

Wired is reporting on a new remote-access Trojan that is able to infect at least eighty different targets: So far, researchers from Lumen Technologies’ Black Lotus Labs say they’ve identified at least 80 targets infected by the stealthy malware, including routers made by Cisco, Netgear, Asus, and DrayTek.

Malware 241