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Using EM Waves to Detect Malware

Schneier on Security

Researchers have developed a malware detection system that uses EM waves: “ Obfuscation Revealed: Leveraging Electromagnetic Signals for Obfuscated Malware Classification.” ” Abstract : The Internet of Things (IoT) is constituted of devices that are exponentially growing in number and in complexity.

Malware 354
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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 139
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BadBox rapidly grows, 190,000 Android devices infected

Security Affairs

” Recently, The Federal Office for Information Security (BSI) announced it had blocked communication between the 30,000 devices infected with the BadBox malware and the C2. Sinkholing isolates the malware and prevents it from executing commands or stealing data. ” concludes the report. ” concludes the report.

Firmware 142
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New AyySSHush botnet compromised over 9,000 ASUS routers, adding a persistent SSH backdoor.

Security Affairs

The threat intelligence firm uncovered a stealth campaign on March 18, 2025, where attackers gained persistent access to thousands of internet-exposed ASUS routers. “The attackers access survives both reboots and firmware updates, giving them durable control over affected devices.” ” states GreyNoise.

Firmware 134
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Barracuda Urges Replacing — Not Patching — Its Email Security Gateways

Krebs on Security

But experts say that is exactly what transpired this week with Barracuda Networks , as the company struggled to combat a sprawling malware threat which appears to have undermined its email security appliances in such a fundamental way that they can no longer be safely updated with software fixes. Campbell, Calif.

Firmware 340
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SHARED INTEL: How ‘memory attacks’ and ‘firmware spoilage’ circumvent perimeter defenses

The Last Watchdog

Related: Ransomware remains a scourge The former has been accused of placing hidden backdoors in the firmware of equipment distributed to smaller telecom companies all across the U.S. Firmware is on everything from hard drives, motherboards and routers to office printers and smart medical devices. The Chinese are all over this.

Firmware 174
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QNAP urges users to update NAS firmware and app to prevent infections

Security Affairs

While the AgeLocker ransomware continues to target QNAP NAS systems, the Taiwanese vendor urges customers to update the firmware and apps. Taiwanese vendor QNAP is urging its customers to update the firmware and apps installed on their network-attached storage (NAS) devices to prevent AgeLocker ransomware infections.

Firmware 145