Krebs on Security

JANUARY 7, 2020

Late last year saw the re-emergence of a nasty phishing tactic that allows the attacker to gain full access to a user’s data stored in the cloud without actually stealing the account password. The phishing lure starts with a link that leads to the real login page for a cloud email and/or file storage service. com sometime around Dec.

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Krebs on Security

SEPTEMBER 30, 2023

“The command requires Windows system administrators,” Truniger’s ads explained. was also used to register an account at the online game stalker[.]so ru account is connected to the Telegram account “ Perchatka ,” (“glove” in Russian). ru account and posted as him.

Ransomware 281

Ransomware Accountability Cybercrime Backups 281

Security Affairs

AUGUST 9, 2021

Synology’s security researchers believe the botnet is primarily driven by a malware family called “StealthWorker.” ” At present, Synology PSIRT has seen no indication of the malware exploiting any software vulnerabilities.” ” reads the security advisory published by the vendor. Pierluigi Paganini.

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Security Affairs

OCTOBER 13, 2023

AvosLocker operators already advertised in the past a Linux variant, dubbed AvosLinux, of their malware claiming it was able to support Linux and ESXi servers. AvosLocker affiliates use legitimate software and open-source remote system administration tools to compromise the victims’ networks.

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Security Affairs

OCTOBER 21, 2021

The United States Department of Justice sentenced two individuals that were providing bulletproof hosting to various malware operations. The two individuals, Aleksandr Skorodumov (33) of Lithuania, and Pavel Stassi (30) of Estonia, administrated the bulletproof hosting service between 2009 and 2015.

System Administration 123

System Administration Malware Accountability Marketing 123

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).

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System Administration DNS Engineering Social Engineering 114

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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Malware Software Ransomware Adware 96

Centraleyes

DECEMBER 16, 2024

Verizons Data Breach Investigations Report showed that 74% of security breaches involve a human element, with system administrators and developers accounting for most of these errors. We are seeing increased use of AI to automate attacks, including malware generation and phishing campaigns.

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SecureList

DECEMBER 9, 2024

It is a critical tool in various fields, including system administration, development, and cybersecurity. Other notable supply chain attacks in 2024 include: Hackers injected malware directly into the source code of the largest Discord bot platform. Another set of malicious packages was found in the PyPI repository.

Internet 107

Internet Internet Risk Social Engineering 107

Malwarebytes

JUNE 24, 2022

It allows system administrators and power users to perform administrative tasks via a command line—an area where Windows previously lagged behind its Unix-like rivals with their proliferation of *sh shells. This feature requires AMSI-aware anti-malware products (such as Malwarebytes ). Reduce abuse. Remote connections.

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Security Affairs

MARCH 18, 2022

Upon its initialization, the malware removes itself from the loaded modules list and updates the last_module_id with the previously loaded module to delete any trace of its presence. CAKETAP can operate in stealthy mode by hiding network connections, processes, and files. ” concludes the report.

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Security Affairs

DECEMBER 7, 2019

US DoJ charged two Russian citizens for deploying the Dridex malware and for their involvement in international bank fraud and computer hacking schemes. The Bugat malware a multifunction malware package designed to automate the theft of confidential personal and financial information. Attorney Brady.

Banking 97

Banking Malware Accountability Cybercrime 97

Security Affairs

FEBRUARY 8, 2021

” Since 2016 Microsoft continues to track nation-state activity against the email accounts of its customers, the IT giant warned of state-sponsored hacking campaigns originating from China, Russia, and Iran for years. Every time Microsoft experts have detected attacks from state-sponsored hackers, they have alerted users via email.

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Security Affairs

MARCH 10, 2020

In human-operated ransomware attack scenario, attackers use stolen credentials, exploit misconfiguration and vulnerabilities to access target networks, attempt to escalate privileges and move laterally, and deliver malware and exfiltrate data. ” reads the post published by Microsoft. ” continues Microsoft.

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Security Affairs

APRIL 25, 2021

The vendor recommended changing system administrator account, reset access control, and installing the latest available version. If you want to receive the weekly Security Affairs Newsletter for free subscribe here. Follow me on Twitter: @securityaffairs and Facebook.

System Administration 127

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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. ” reads the report.

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Security Affairs

FEBRUARY 14, 2021

The FBI is warning companies about the use of out-of-date Windows 7 systems, desktop sharing software TeamViewer, and weak account passwords. “TeamViewer’s legitimate use, however, makes anomalous activity less suspicious to end users and system administrators compared to typical RATs.”

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Passwords Social Engineering Software System Administration 144

Malwarebytes

NOVEMBER 8, 2023

This type of website is often visited by geeks and system administrators to read the latest computer reviews, learn some tips and download software utilities. Software downloads have been a big target for the past year with criminals using a variety of tricks to deceive users and install malware. info/account/hdr.jpg ivcgroup[.]in/temp/Citrix-x64.msix

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Software System Administration Antivirus Malware 143

Security Affairs

APRIL 30, 2023

Most of the APT28s’ campaigns leveraged spear-phishing and malware-based attacks. CERT-UA observed the campaign in April 2023, the malicious e-mails with the subject “Windows Update” were crafted to appear as sent by system administrators of departments of multiple government bodies.

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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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eSecurity Planet

MARCH 21, 2022

Inactive Accounts and Default Configurations. Hackers gained initial access by brute-forcing an existing account via “a simple, predictable password” to enroll a new device in the MFA procedures, the agencies said. MFA was automatically disabled because the account was inactive for a long period.

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Threatpost

APRIL 26, 2018

Not just a miner, the malware also sets up a hidden default account with system administrator privileges, to be used for re-infection and further attacks.

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System Administration Malware Accountability 54

Security Affairs

APRIL 30, 2020

The PerSwaysion campaign proliferates with alarming rates by leveraging compromised accounts’ email data to select further targets who hold important roles in their companies and share business relations with the victims. New round of phishing attempts leveraging current victim’s account usually takes less than 24 hours.

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SecureWorld News

APRIL 19, 2021

Being a systems administrator can be a fulfilling job with a lot of rewards. McQuaid of the Justice Department's Criminal Division said this: "The defendant and his conspirators compromised millions of financial accounts and caused over a billion dollars in losses to Americans and costs to the U.S. And Acting U.S.

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Security Affairs

FEBRUARY 5, 2021

“The first allows you to obtain the hash of the system administrator account due to excessive DBMS user privileges, which gives you access to the API without decrypting the hash value. ” Andrey Medov at Positive Technologies explains. The second one allows arbitrary code execution.

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Firewall System Administration Technology Hacking 142

The Last Watchdog

JUNE 2, 2021

The best evidence of this is how email has become a battleground where companies must continually defend attackers’ endlessly creative efforts to manipulate email to circulate malware and distribute phishing ruses. And threat actors have become adept at account takeovers. Attribute-based access.

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Encryption Artificial Intelligence IoT Data collection 176

Security Affairs

OCTOBER 22, 2021

FIN7, operating under the guise of Bastion Secure, published job offers for programmers (PHP, C++, Python), system administrators, and reverse engineers. Once gained access to the target network, the threat actors could then drop malware and ransomware. .

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Security Affairs

NOVEMBER 21, 2019

The Roboto botnet spreads by compromising systems by exploiting the Webmin RCE vulnerability tracked as CVE-2019-15107 to drop its downloader module on Linux servers running vulnerable installs. Webmin is an open-source web-based interface for system administration for Linux and Unix. Pierluigi Paganini.

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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. Removing the file is not enough.

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System Administration Malware Passwords Internet 145

Malwarebytes

JULY 23, 2021

In a recent episode of our Lock and Code podcast, host David Ruiz spoke to Ski Kacoroski—a system administrator with the Northshore School District in Washington state—about the immediate reaction, the planned response, and the long road to recovery from a ransomware attack.

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Security Boulevard

MAY 28, 2022

Which to be fair, is what a lot of malware and APT actors do. If you don’t have fake accounts, computers, and configurations that look vulnerable mixed in with your population of systems you are missing out. System administrators usually know their systems very well. No one should EVER use this account.

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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.

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Malwarebytes

JANUARY 29, 2021

Emotet has been the most wanted malware for several years. On January 27, Europol announced a global operation to take down the botnet behind what it called the most dangerous malware by gaining control of its infrastructure and taking it down from the inside. This blog post was authored by Hasherezade and Jérôme Segura.

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Malware System Administration Banking Ransomware 108

Security Affairs

JUNE 3, 2023

“In many instances, Kimsuky actors do not attach malware to their initial email. Additionally, the APT group also impersonates operators or administrators of popular web portals claiming that a victim’s account has been locked following suspicious activity or fraudulent use. ” continues the advisory.

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SecureWorld News

MARCH 11, 2022

He writes about this in his book, "Ghost in the Wires": "I would call the company I'd targeted, ask for their computer room, make sure I was talking to a system administrator, and tell him, 'This is [whatever fictitious name popped into my head at that moment], from DEC support. A security report against my American Express account?

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eSecurity Planet

MARCH 25, 2022

With lateral movement across a victim’s IT infrastructure, threat actors can escalate privileges, spread malware , extract data , and disrupt IT services as with ransomware attacks. SamSam Ransomware: Malware Specializing in RDP. A few days later, IT systems started malfunctioning with ransom messages following.

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Malwarebytes

JUNE 29, 2022

Which is often the case when we spot potentially unwanted programs (PUPs) that use malware tactics to get installed and gain persistence. I looked for that string because we know from the past that these registry policies account for the “Your browser is managed” warnings. custom search bar is one of the forced extensions.

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