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NEW TECH: Breakthrough ‘homomorphic-like’ encryption protects data in-use, without penalties

The Last Watchdog

Homomorphic encryption has long been something of a Holy Grail in cryptography. Related: Post-quantum cryptography on the horizon For decades, some of our smartest mathematicians and computer scientists have struggled to derive a third way to keep data encrypted — not just the two classical ways, at rest and in transit.

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PLAYFULGHOST backdoor supports multiple information stealing features

Security Affairs

The PLAYFULGHOST backdoor shares functionality with Gh0stRAT whose source code was publicly released in 2008. TIM.exe then loads a malicious launcher DLL libcurl.dll whichwilldecrypt and load the PLAYFULGHOST payload from an encrypted file named Debug.log.”

Malware 131
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Windows update may present users with a BitLocker recovery screen

Malwarebytes

BitLocker is a Windows security feature that encrypts entire drives. Affected systems are running Windows 10 and 11 or one of the server versions (Windows Server 2022, Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012, Windows Server 2008 R2, Windows Server 2008.).

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Microsoft recommends Exchange admins to disable the SMBv1 protocol

Security Affairs

Since 2016, Microsoft is urging admins to stop using SMBv1, later versions of the protocol implemented security enhancements, such as encryption, pre- authentication integrity checks to prevent man-in-the-middle (MiTM) attacks, and insecure guest authentication blocking. It also provides an authenticated inter-process communication mechanism.

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Report: No ‘Eternal Blue’ Exploit Found in Baltimore City Ransomware

Krebs on Security

.” While this detail by itself is not particularly interesting, Stewart said an earlier version of the GandCrab ransomware strain would place a photo of a Russian man named Valery Sinyaev in every existing folder where it would encrypt files. “Despite having nearly 60 days to patch their systems, many customers had not.

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IronHusky updates the forgotten MysterySnail RAT to target Russia and Mongolia

SecureList

This file is encrypted with a single-byte XOR and is loaded at runtime. Its malicious DLL, which is deployed by the intermediary backdoor, is designed to load a payload encrypted with RC4 and XOR, and stored inside a file named attach.dat.

Malware 92
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Microsoft provides more mitigation instructions for the PetitPotam attack

Malwarebytes

It does this by performing an NTLM relay attack that does not rely on the Microsoft’s Print System Remote Protocol (MS-RPRN) API but instead uses the EfsRpcOpenFileRaw function of the Microsoft Encrypting File System Remote Protocol (MS-EFSRPC) API. Vulnerable systems.