CVE-2024-21302

Summary: As of July 8, 2025 Microsoft has completed mitigations to address this vulnerability. See KB5042562: Guidance for blocking rollback of virtualization-based security related updates and the Recommended Actions section of this CVE for guidance on how to protect your systems from this...

DarkGate Malware Exploits Samba File Shares in Short-Lived Campaign

Cybersecurity researchers have shed light on a short-lived DarkGate malware campaign that leveraged Samba file shares to initiate the infections. Palo Alto Networks Unit 42 said the activity spanned the months of March and April 2024, with the infection chains using servers running public-facing...

Chinese Hackers Deploy SpiceRAT and SugarGh0st in Global Espionage Campaign

A previously undocumented Chinese-speaking threat actor codenamed SneakyChef has been linked to an espionage campaign primarily targeting government entities across Asia and EMEA Europe, Middle East, and Africa with SugarGh0st malware since at least August 2023. "SneakyChef uses lures that are...

Windows 11 to Deprecate NTLM, Add AI-Powered App Controls and Security Defenses

Microsoft on Monday confirmed its plans to deprecate NT LAN Manager NTLM in Windows 11 in the second half of the year, as it announced a slew of new security measures to harden the widely-used desktop operating system. "Deprecating NTLM has been a huge ask from our security community as it will...

Cloud Atlas' Spear-Phishing Attacks Target Russian Agro and Research Companies

The threat actor referred to as Cloud Atlas has been linked to a set of spear-phishing attacks on Russian enterprises. Targets included a Russian agro-industrial enterprise and a state-owned research company, according to a report from F.A.C.C.T., a standalone cybersecurity company formed after...

Gamaredon Deploys LitterDrifter USB Worm in Cyber Espionage Operations

Summary: Russian cyber espionage group Gamaredon aka Primitive Bear has been observed utilizing a USB-propagating worm known as LitterDrifter in attacks targeting Ukrainian entities. This group has recently adopted LitterDrifter, a worm written in VBS, designed to spread through removable USB...

Beware of MalDoc in PDF: A New Polyglot Attack Allowing Attackers to Evade Antivirus

Cybersecurity researchers have called attention to a new antivirus evasion technique that involves embedding a malicious Microsoft Word file into a PDF file. The sneaky method, dubbed MalDoc in PDF by JPCERT/CC, is said to have been employed in an in-the-wild attack in July 2023. "A file created...

Old Loader, New Threat: Exploring XWorm RAT's Distribution and Tactics 

Old Loader, New Threat: Exploring XWorm RAT's Distribution and Tactics By Pratik Pachpor and Adarsh S · July 31, 2023 Executive Summary: In March-April 2023, we detected a malicious email campaign delivering .Net based XWorm RAT in which embedded blogspot.com URLs were used as an entry point. Thi...

Chinese Threat Actors Leverage Phishing and GuLoader to Distribute Remcos RAT

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary The malicious campaign described involves the distribution of a malicious PDF file through email, via phishing. The PDF file in this case redirects victims to a legitimate cloud-based platform, where the...

DeathStalker targets legal entities with new Janicab variant

Just to clarify, the above subheading isnt a normal quote, but a message that Janicab malware attempted to decode in its newest use of YouTube dead-drop resolvers DDRs. While hunting for less common Deathstalker intrusions that use the Janicab malware family, we identified a new Janicab variant...

New Windows 11 security features are designed for hybrid work

Attackers are constantly evolving, becoming increasingly sophisticated and destructive—the median time for an attacker to access your private data if you fall victim to a phishing email is 1 hour, 12 minutes.1 Microsoft tracks more than 35 ransomware families and more than 250 unique nation-state...

Gamaredon APT targets Ukrainian government agencies in new campaign

By Asheer Malhotra and Guilherme Venere. Cisco Talos recently identified a new, ongoing campaign attributed to the Russia-linked Gamaredon APT that infects Ukrainian users with information-stealing malware. The adversary is using phishing documents containing lures related to the Russian invasion...

ModernLoader delivers multiple stealers, cryptominers and RATs

By Vanja Svajcer Cisco Talos recently observed three separate, but related, campaigns between March and June 2022 delivering a variety of threats, including the ModernLoader bot, RedLine information-stealer and cryptocurrency-mining malware to victims. The actors use PowerShell, .NET assemblies,...

OffensiveVBA - Code Execution And AV Evasion Methods For Macros In Office Documents

In preparation for a VBS AV Evasion Stream/Video I was doing some research for Office Macro code execution methods and evasion techniques. The list got longer and longer and I found no central place for offensive VBA templates - so this repo can be used for such. It is very far away from being...

WIRTE’s campaign in the Middle East ‘living off the land’ since at least 2019

Overview This February, during our hunting efforts for threat actors using VBS/VBA implants, we came across MS Excel droppers that use hidden spreadsheets and VBA macros to drop their first stage implant. The implant itself is a VBS script with functionality to collect system information and...

Ransomware Phishing Emails Sneak Through SEGs

Secure email gateway SEG protections aren’t necessarily enough to stop phishing emails from delivering ransomware to employees, especially if the cybercrooks are using legitimate cloud services to host malicious pages. Researchers are raising the alarm over a phishing email kicking off a...

Windows 11 is out. Is it any good for security?

Windows 11, the latest operating system OS from Microsoft, launches today, and organizations have begun asking themselves when and if they should upgrade from Windows 10 or older versions. The requirements and considerations of each organization will be different, and many things will inform the...

Remcos RAT delivered via Visual Basic

This blog post was authored by Erika Noerenberg Introduction Over the past months, Malwarebytes researchers have been tracking a unique malspam campaign delivering the Remcos remote access trojan RAT via financially-themed emails. Remcos is often delivered via malicious documents or archive files...

Constructor.Win32.SMWG.a Insecure Permissions

Discovery / credits: Malvuln - malvuln.com c 2021 Original source: https://malvuln.com/advisory/07cd532823d6ab05d6e5e3a56f7afbfd.txt Contact: [email protected] Media: twitter.com/malvuln Threat: Constructor.Win32.SMWG.a Vulnerability: Insecure Permissions Description: Win32.SMWG VBS.sucke.gen...

New Surface PCs enable virtualization-based security (VBS) by default to empower customers to do more, securely

VBS and HVCI-enabled devices help protect from advanced attacks Escalation of privilege attacks are a malicious actor’s best friend, and they often target sensitive information stored in memory. These kinds of attacks can turn a minor user mode compromise into a full compromise of your OS and...