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Zyxel 0day Affects its Firewall Products, Too

Krebs on Security

On Monday, networking hardware maker Zyxel released security updates to plug a critical security hole in its network attached storage (NAS) devices that is being actively exploited by crooks who specialize in deploying ransomware. Today, Zyxel acknowledged the same flaw is present in many of its firewall products.

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Sophos blocked attacks exploiting XG Firewall zero-day to deploy Ransomware

Security Affairs

Hackers attempted to exploit a zero-day flaw in the Sophos XG firewall to distribute ransomware to Windows machines, but the attack was blocked. It was designed to download payloads intended to exfiltrate XG Firewall-resident data. The customer noticed “a suspicious field value visible in the management interface.”. “The

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Researchers Quietly Cracked Zeppelin Ransomware Keys

Krebs on Security

Peter is an IT manager for a technology manufacturer that got hit with a Russian ransomware strain called “ Zeppelin ” in May 2020. There are multiple examples of ransomware groups doing just that after security researchers crowed about finding vulnerabilities in their ransomware code.

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8Base ransomware operators use a new variant of the Phobos ransomware

Security Affairs

8Base ransomware operators were observed using a variant of the Phobos ransomware in a recent wave of attacks. Cisco Talos researchers observed 8Base ransomware operators using a variant of the Phobos ransomware in recent attacks. The ransomware component is then decrypted and loaded into the SmokeLoader process’ memory.

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SHARED INTEL: Report details how cyber criminals leverage HTTPS TLS to hide malware

The Last Watchdog

From January through March 2021, TLS concealed 45 percent of the malware Sophos analysts observed circulating on the Internet; that’s double the rate – 23 percent – seen in early 2020, Dan Schiappa, Sophos’ chief product officer, told me in a briefing. And then they may use off-the-shelf malware to carry out their attack.

Malware 214
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Blister malware using code signing certificates to evade anti malware detection

CyberSecurity Insiders

If you are in thinking that your PC or computing device is secure enough as it is loaded with an anti-malware solution, you better change your viewpoint. As some hackers have developed a malware that uses code signing certificates to avoid detection by security defenses and has the tendency to download payloads onto a compromised system.

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Trickbot Malware hits 140,000 victims

CyberSecurity Insiders

Trickbot Malware that started just as a banking malware has now emerged into a sophisticated data stealing tool capable of injecting malware like ransomware or serve as an Emotet downloader. Note- In September 2020, many of the hospitals and healthcare firms operating in United States were infected by RYUK ransomware.

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