Experts Warn of 'Beep' - A New Evasive Malware That Can Fly Under the Radar

Cybersecurity researchers have unearthed a new piece of evasive malware dubbed Beep that's designed to fly under the radar and drop additional payloads onto a compromised host. "It seemed as if the authors of this malware were trying to implement as many anti-debugging and anti-VM anti-sandbox...

Description of the security update for SharePoint Enterprise Server 2016 Language Pack: February 14, 2023 (KB5002325)

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January 19, 2023—KB5019274 (OS Build 22000.1516) Preview

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January 19, 2023—KB5019275 (OS Builds 19042.2546, 19044.2546, and 19045.2546) Preview

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November 29, 2022—KB5020044 (OS Build 22621.900) Preview

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October 28, 2022—KB5020953 (OS Builds 19042.2194, 19043.2194, 19044.2194, and 19045.2194) Out-of-band

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The surge of cryptojacking campaigns

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary Recent cryptojacking campaigns disclosed that intruders exploited DLL Side-Loading issues in Microsoft OneDrive by writing a fake secur32.dll file to establish persistence and operate undetected on...

Hackers Using PowerPoint Mouseover Trick to Infect Systems with Malware

The Russian state-sponsored threat actor known as APT28 has been found leveraging a new code execution method that makes use of mouse movement in decoy Microsoft PowerPoint documents to deploy malware. The technique "is designed to be triggered when the user starts the presentation mode and moves...

Disrupting SEABORGIUM’s ongoing phishing operations

The Microsoft Threat Intelligence Center MSTIC has observed and taken actions to disrupt campaigns launched by SEABORGIUM, an actor Microsoft has tracked since 2017. SEABORGIUM is a threat actor that originates from Russia, with objectives and victimology that align closely with Russian state...

Introducing Malwarebytes Cloud Storage Scanning: How to scan for malware in cloud file storage repositories

Were excited to announce Malwarebytes Cloud Storage Scanning, a new service that extends Nebula malware scanning options to include files stored on cloud storage repositories that are part of your organizations digital ecosystem. Today, the service supports scanning of files under 100Mb in size...

Office 365 Config Loophole Opens OneDrive, SharePoint Data to Ransomware Attack

Researchers are warning attackers can abuse Microsoft Office 365 functionality to target files stored on SharePoint and OneDrive in ransomware attacks. Those files, stored via “auto-save” and backed-up in the cloud, typically leave end users with the impression data is shielded from a ransomware...

Trellix Global Defenders: Defending against Cyber Espionage Campaigns – Operation Graphite

Trellix Global Defenders: Defending against Cyber Espionage Campaigns – Operation Graphite By Ben Marandel, Arnab Roy · June 20, 2022 Cyber Espionage campaigns by nature are targeted attacks that can go undetected for prolonged periods of time. Cyber Espionage campaigns often involve adversaries...

Trellix Global Defenders: Defending against Cyber Espionage Campaigns – Operation Graphite

Trellix Global Defenders: Defending against Cyber Espionage Campaigns – Operation Graphite By Ben Marandel, Arnab Roy · June 20, 2022 Cyber Espionage campaigns by nature are targeted attacks that can go undetected for prolonged periods of time. Cyber Espionage campaigns often involve adversaries...

A Microsoft Office 365 Feature Could Help Ransomware Hackers Hold Cloud Files Hostage

A "dangerous piece of functionality" has been discovered in Microsoft 365 suite that could be potentially abused by a malicious actor to mount attacks on cloud infrastructure and ransom files stored on SharePoint and OneDrive. The cloud ransomware attack makes it possible to launch file-encryptin...

Microsoft Seizes 41 Domains Used in Spear-Phishing Attacks by Bohrium Hackers

Microsoft's Digital Crimes Unit DCU last week disclosed that it had taken legal proceedings against an Iranian threat actor dubbed Bohrium in connection with a spear-phishing operation. The adversarial collective is said to have targeted entities in tech, transportation, government, and education...

Microsoft Blocks Iran-linked Lebanese Hackers Targeting Israeli Companies

Microsoft on Thursday said it took steps to disable malicious activity stemming from abuse of OneDrive by a previously undocumented threat actor it tracks under the chemical element-themed moniker Polonium. In addition to removing the offending accounts created by the Lebanon-based activity group...

Exposing POLONIUM activity and infrastructure targeting Israeli organizations

Microsoft successfully detected and disabled attack activity abusing OneDrive by a previously undocumented Lebanon-based activity group Microsoft Threat Intelligence Center MSTIC tracks as POLONIUM. The associated indicators and tactics were used by the OneDrive team to improve detection of attac...

Exposing POLONIUM activity and infrastructure targeting Israeli organizations

Microsoft successfully detected and disabled attack activity abusing OneDrive by a previously undocumented Lebanon-based activity group Microsoft Threat Intelligence Center MSTIC tracks as POLONIUM. The associated indicators and tactics were used by the OneDrive team to improve detection of attac...

Description of the security update for SharePoint Enterprise Server 2016: May 10, 2022 (KB5002195)

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Emotet is Back With New Tricks to Spread Malware

Emotet malware attacks are back after a 10-month “spring break” – with criminals behind the attack rested, tanned and ready to launch a new campaign strategy. That new approach includes more targeted phishing attacks, different from the previous spray-and-pray campaigns, according to new research...