Security Affairs

AUGUST 9, 2021

Taiwanese vendor Synology has warned customers that the StealthWorker botnet is targeting their NAS devices to deliver ransomware. Taiwan-based vendor Synology has warned customers that the StealthWorker botnet is conducting brute-force attacks in an attempt to implant ransomware. ” . . Pierluigi Paganini.

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CyberSecurity Insiders

DECEMBER 2, 2021

Proxy Shell vulnerabilities identified in Microsoft Exchange Servers are being exploited by hackers operating and distributing a new ransomware variant dubbed BlackByte. Microsoft has issued a fix to a similar vulnerability in May this year by patching flaws that were being used by those launching LockFile Ransomware onto compromised systems.

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Ransomware System Administration Threat Detection Cyber threats 126

Malwarebytes

APRIL 9, 2024

In the past couple of weeks, we have observed an ongoing campaign targeting system administrators with fraudulent ads for popular system utilities. Victims are tricked into downloading and running the Nitrogen malware masquerading as a PuTTY or FileZilla installer. dll (Nitrogen).

System Administration 107

System Administration DNS Engineering Social Engineering 107

Security Affairs

SEPTEMBER 23, 2023

The City of Dallas revealed that the Royal ransomware gang that hit the city system in May used a stolen account. In May 2023, a ransomware attack hit the IT systems at the City of Dallas , Texas. To prevent the threat from spreading within the network, the City shut down the impacted IT systems.

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Krebs on Security

SEPTEMBER 30, 2023

Earlier this week, KrebsOnSecurity revealed that the darknet website for the Snatch ransomware group was leaking data about its users and the crime gang’s internal operations. It continues: “Prior to deploying the ransomware, Snatch threat actors were observed spending up to three months on a victim’s system.

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SecureList

JUNE 17, 2021

Black Kingdom ransomware appeared on the scene back in 2019, but we observed some activity again in 2021. The ransomware was used by an unknown adversary for exploiting a Microsoft Exchange vulnerability (CVE-2021-27065). The ransomware family was DearCry. Ransomware is written in Python. Background. Technical analysis.

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Security Boulevard

FEBRUARY 10, 2022

Malware, or code written for malicious purposes, is evolving. To understand the new dangers malicious code poses to developers, it helps to take a brief look back at the history of malware. Malicious code, or malware, is intentionally written to disrupt, damage, or otherwise inflict undesirable effects on a target system.

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Malwarebytes

MARCH 15, 2022

As we wrote on March 3, 2022 Nvidia, was recently attacked by the LAPSUS$ ransomware group. Those certificates are now being used to sign malware. As is often the case in ransomware attacks, the exfiltrated data was published on a leak site. The ensuing data leak included two of NVIDIA’s code signing certificates. Mitigation.

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Security Affairs

MARCH 10, 2020

Microsoft is warning of human-operated ransomware, this kind of attack against businesses is becoming popular in the cybercrime ecosystem. Human-operated ransomware is a technique usually employed in nation-state attacks that is becoming very popular in the cybercrime ecosystem. ” reads the post published by Microsoft.

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eSecurity Planet

NOVEMBER 4, 2021

Ransomware groups seem to change form daily. In the latest news, the BlackMatter ransomware group announced it was shutting down – and just hours later came news that its victims were being transferred to the rival LockBit site. Also read: Best Ransomware Removal and Recovery Services. FIN7 Dupes Security Job Applicants.

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Security Affairs

MARCH 14, 2023

Cyber security researcher Luca Mella analyzed the Makop ransomware employed in a recent intrusion. Executive summary Insights from a recent intrusion authored by Makop ransomware operators show persistence capability through dedicated.NET tools. Everything is freeware software maintained by Voidtools.

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Security Affairs

MARCH 13, 2022

LockBit ransomware gang claimed to have hacked Bridgestone Americas, one of the largest manufacturers of tires. LockBit ransomware gang claimed to have compromised the network of Bridgestone Americas, one of the largest manufacturers of tires, and stolen data from the company. Follow me on Twitter: @securityaffairs and Facebook.

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Hacking Ransomware Manufacturing Cyber Attacks 93

SecureWorld News

JANUARY 13, 2021

Intel recently announced it is adding hardware-based ransomware detection and remediation to its new 11th gen Core vPro processors. Intel claims that “hardened PCs enable best practices for ransomware defense,” and that this security improvement will be a game changer in defending against ransomware.

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Ransomware Computers and Electronics Firmware Threat Detection 53

Security Affairs

OCTOBER 22, 2021

FIN7 hacking group created fake cybersecurity companies to hire experts and involve them in ransomware attacks tricking them of conducting a pentest. The FIN7 hacking group is attempting to enter in the ransomware business and is doing it with an interesting technique. ” concludes the report. Pierluigi Paganini.

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Cybercrime Ransomware Cybersecurity Backups 103

Malwarebytes

AUGUST 27, 2021

Ransomware gangs have nurtured a nasty habit of starting their attacks at the least convenient times: When computers are idle, when employees who might notice a problem are out of the office, and when the IT or security staff who might deal with it shorthanded. Why out-of-office attacks work.

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Ransomware System Administration Encryption Cybercrime 105

Security Affairs

OCTOBER 3, 2023

Our investigation revealed that this remote endpoint is associated with criminal activities dating back to 2019, indicating that these hosts were likely under the control of the same technical administration. Introduction Digging into ransomware infections always provides valuable insights.

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Scams Ransomware System Administration Malware 119

Security Affairs

FEBRUARY 2, 2021

Ransomware operators are exploiting two VMWare ESXi vulnerabilities, CVE-2019-5544 and CVE-2020-3992, to encrypt virtual hard disks. Security experts are warning of ransomware attacks exploiting two VMWare ESXi vulnerabilities, CVE-2019-5544 and CVE-2020-3992 , to encrypt virtual hard disks. Pierluigi Paganini.

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Encryption Ransomware System Administration Hacking 91

Malwarebytes

JULY 7, 2021

Only rarely do companies allow us a look inside their organization while they are recovering from a ransomware attack. The attack used a zero-day vulnerability to create a malicious Kasaya VSA update, which spread REvil ransomware to some of the MSPs that use it, and then on to the customers of those MSPs. Know when to communicate.

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Malwarebytes

JULY 23, 2021

Two months after fully restoring its systems, CNA Financial, the leading US insurance company that was attacked by a group using Phoenix CryptoLocker ransomware, issued a legal notice of an information security incident to the Consumer Protection Bureau in New Hampshire. Recovering from ransomware. Data stolen but untouched.

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Ransomware Unstructured Data Accountability Consumer Protection 96

Thales Cloud Protection & Licensing

NOVEMBER 24, 2020

Mitigating Ransomware Attacks – Decoupling Encryption Keys From Encrypted Data. While ransomware attacks have been around for decades, their frequency has exponentially increased in the last few years, let alone the past several months during the pandemic. The potency of a ransomware attack lies in its diabolical ingenuity.

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Malwarebytes

APRIL 17, 2023

Regular readers of our monthly ransomware review ( read our April edition here ) know that Ransomware-as-a-Service (RaaS) gangs have been making headlines globally with their disruptive attacks on organizations. Sometimes, though, it’s not enough to merely know about of the problem.

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Quick Heal Antivirus

JULY 29, 2022

PowerShell was originally intended as a task automation and configuration management program for system administrators. However, it. The post PowerShell: An Attacker’s Paradise appeared first on Quick Heal Blog | Latest computer security news, tips, and advice.

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System Administration Adware Antivirus Encryption 119

Spinone

FEBRUARY 18, 2020

These are words that no system administrator or business leader wants to hear from anyone using a computer on their network. However, this year in 2019, many IT professionals and business leaders alike have had to deal with the very real and alarming scenario of a ransomware attack. Is cloud storage safe from ransomware?

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Ransomware Encryption Malware Backups 52

Webroot

APRIL 2, 2024

While RDP is a powerful tool for remote administration and support, it has also become a favored vector for brute force attacks for several reasons: Widespread use: RDP is commonly used in businesses to enable remote work and system administration.

Cybersecurity 83

Cybersecurity Passwords VPN Authentication 83

Spinone

DECEMBER 21, 2018

Ransomware has arguably been the most commonly talked about topic in the security world regarding risks to organizations and their data. There has been somewhat of a misnomer when it comes to thinking that you can “ protect against Ransomware with public cloud storage.”

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Ransomware Backups Encryption Cloud Migration 71

SecureList

AUGUST 12, 2021

We discovered the malware as part of an attack against a high-profile organization in Vietnam. We found the loader for this file so interesting that we decided to base one of the tracks of our Targeted Malware Reverse Engineering course on it. The exploit-chain attempts to install malware in the system through a dropper.

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Ransomware Malware Banking Encryption 138

Security Boulevard

JULY 6, 2021

Kaseya is now reporting the software-as-a-service (SaaS) instance of its Virtual System Administrator (VSA) platform will be back online sometime between 4:00 p.m. and 7:00 p.m. It expects the on-premises editions of VSA to be patched within 24 hours after that.

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System Administration Software Ransomware Malware 124

Security Affairs

OCTOBER 27, 2021

The activity of the Lazarus APT group surged in 2014 and 2015, its members used mostly custom-tailored malware in their attacks. This threat actor has been active since at least 2009, possibly as early as 2007, and it was involved in both cyber espionage campaigns and sabotage activities aimed to destroy data and disrupt systems.

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Malware System Administration Hacking Media 96

SecureList

OCTOBER 20, 2021

We also review what pushed cybercriminals to transform their operations into the now well-known malware-as-a-service model — the use of cloud servers, the decreasing relevance of custom malware and the subsequent emergence of small, agile teams. Malware developers — no longer hiring. Client-side attacks on the wane.

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Cybercrime Banking Malware Ransomware 140

Malwarebytes

JULY 12, 2023

In particular, ransomware gangs have shown a nasty habit of starting their attacks at the least convenient times: When computers are idle, when employees who might notice a problem are out of the office, and when the IT or security staff who might deal with it are shorthanded. I got a text from my manager saying 'something is up'.after

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Ransomware System Administration Encryption Media 66

Security Affairs

APRIL 26, 2021

European law enforcement has conducted an operation aimed at performing a mass-sanitization of computers infected with the infamous Emotet Windows malware. European law enforcement agencies automatically wiped the infamous Emotet malware from infected systems across the world as part of a mass sanitization operation.

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Malware Banking System Administration Hacking 97

The Last Watchdog

MARCH 4, 2019

It was designed to make it convenient for system administrators to automate tasks and manage configurations across all Windows endpoints and servers in a company network. Another branch of attacks revolve around ransomware, crypto jacking, denial of service attacks and malware spreading activities.

Hacking 212

Hacking Energy and Utilities System Administration Accountability 212

Krebs on Security

FEBRUARY 8, 2022

But it does fix four dozen flaws, including several that Microsoft says will likely soon be exploited by malware or malcontents. This is a big deal because malicious macros hidden in Office documents have become a huge source of intrusions for organizations, and they are often the initial vector for ransomware attacks.

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Security Affairs

MARCH 16, 2022

VNC is a desktop sharing system – you can use it to remotely access your work computer from home or any other location, or allow technical support staff to do likewise. Ideally, VNC should be used only with authenticated users, such as system administrators. “It was so easy to gain access to these systems.

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SecureList

OCTOBER 13, 2022

In addition, manual mitigation steps can be undertaken by system administrators to prevent successful exploitation (see below). On receiving the e-mail, Zimbra submits it to Amavis for spam and malware inspection. At the moment, Zimbra has released a patch and shared its installation steps.

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System Administration Malware Passwords Internet 126

CyberSecurity Insiders

SEPTEMBER 24, 2021

From phishing attacks to ransomware attacks, business owners need to be adequately prepared to prevent further damage. . Human errors often lead to data breaches, malware, and virus attacks that might compromise the company’s systems. Besides, cybercriminals are becoming craftier with sophisticated technology. Human Resources.

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Cybersecurity Data breaches Backups Firewall 90

Security Affairs

MARCH 27, 2023

A technical analysis of NullMixer malware operation revealed Italy and France are the favorite European countries from the attackers’ perspective. Executive Summary Our insights into a recent NullMixer malware operation revealed Italy and France are the favorite European countries from the opportunistic attackers’ perspective.

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