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UPDATE: After this podcast was recorded CBS News reported Wormhole tweeted that “all funds have been restored” and that its system has been returned to normal. CoinDesk quotes a tweet by Wormhole saying the lost funds will be restored to the bridge. According to a report on CoinDesk, someone may have gotten away with over $300 million worth of the digital currency called Ether. This time it’s Wormhole, a cross-blockchain bridge that links to different decentralized finance networks. The wireless module lets users remotely monitor and control the status of systems connected to the platform.Īnother digital currency service has been victimized by a cyber attack. The SeaConnect 370W is a WiFi module for the Sealevel SeaCloud internet of things platform, which is commonly used in industrial control systems. This comes after researchers at Cisco Systems’ Talos threat intelligence service discovered several serious vulnerabilities hackers would love to take advantage of.
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Network administrators with Sealevel Systems’ SeaConnect 370W wireless modules in their systems are urged to install the latest security updates. Affected products include ESET Endpoint AntiVirus, ESET Internet Security and ESET Security for Windows Server. These updates have been available since December for some products, and as late as January 31 st for others. This comes after a serious vulnerability was discovered. Organizations and individuals running Windows security products from ESET should install the latest versions. I’m Howard Solomon, contributing reporter on cybersecurity for.
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“ESPecter shows that threat actors are relying not only on UEFI firmware implants when it comes to pre-OS persistence and, despite the existing security mechanisms like UEFI Secure Boot, invest their time into creating malware that would be easily blocked by such mechanisms, if enabled and configured correctly,” the researchers said.Heed these update warnings from ESET and Sealevel Systems. The persistence method only works if the Secure Boot feature in Windows is disabled, a reality on older versions of Microsoft’s operating system.įor Windows OS versions that support Secure Boot, ESET said the attacker could disable the feature via an “evil maid” physical access attack or exploiting additional security vulnerabilities to expand the attack.
They decided to achieve this by modifying a legitimate Windows Boot Manager binary (bootmgfw.efi) located on the ESP while supporting multiple Windows versions spanning Windows 7 through Windows 10,” the team said. “After all the years of insignificant changes, those behind ESPecter apparently decided to move their malware from legacy BIOS systems to modern UEFI systems.
The researchers say they were not able to attribute ESPecter to any known threat actor, but noted there were signs of Chinese debug messages in the user-mode client component, a suggestion that an unknown Chinese-speaking threat actor may be behind this campaign.
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This driver then injects other user-mode components into specific system processes to initiate communication with ESPecter’s C&C server and to allow the attacker to take control of the compromised machine by downloading and running additional malware or executing C&C commands. This allows ESPecter to bypass Windows Driver Signature Enforcement (DSE) in order to execute its own unsigned driver at system startup.
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"The days of UEFI (Unified Extensible Firmware Interface) living in the shadows of the legacy BIOS are gone for good."ĮSET named the threat “ESPecter” and warned it is capable of injecting code to set up command-and-control server connections.ĮSET, which sells anti-malware software to corporate customers around the world, said the bootkit was spotted on a compromised machine along with a user-mode client component with keylogging and document-stealing functionalitiesīy patching the Windows Boot Manager, attackers achieve execution in the early stages of the system boot process, before the operating system is fully loaded.
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"We traced the roots of this threat back to at least 2012, previously operating as a bootkit for systems with legacy BIOSes," the research team said, noting that the upgrade to UEFI went unnoticed and undocumented for many years. The ESET discovery is the second real-world UEFI bootkit to be publicly documented in recent weeks, following Kaspersky’s report on a new Windows UEFI bootloader fitted into the FinSpy surveillance spyware product.Īccording to ESET researchers Anton Cherepanov and Martin Smolar, the malware has evaded detection for almost a decade and was engineered to bypass Windows Driver Signature Enforcement to load its own unsigned driver. Threat hunters at ESET are training the spotlight on a previously undocumented UEFI bootkit capable of hijacking the EFI System Partition (ESP) to maintain persistence on infected Windows machines.
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