CyberSecurity Insiders

MAY 18, 2022

By increasing visibility into DNS traffic, CISOs can detect, block, and respond to incidents more quickly as well as use this data to institute new controls and increase overall resiliency. When malware first breaches a network, it doesn’t make its presence known right away. The issue likely comes down to awareness.

DNS 140

DNS Cybersecurity CISO Social Engineering 140

Webroot

AUGUST 10, 2022

When was the last time you secretly smiled when ransomware gangs had their bitcoin stolen, their malware servers shut down, or were forced to disband? MALWARE CONTINUES TO ITERATE, AND GROW. In fact, there are 31% fewer infections when endpoint and DNS protection are combined. PHISHING PREYED ON A VOLATILE MARKET.

Threat Reports 83

Threat Reports DNS Phishing Malware 83

Security Affairs

JUNE 14, 2023

This article will focus on the widespread and highly persistent malware injector campaign “Balada,” which has reportedly infected over 1 million individual websites by exploiting weaknesses in Elementor Pro, WooCommerce, and several other WordPress plugins. Balada is not an overly shy malware campaign. Windows NT 10.0;

Malware 82

Malware DNS Software Penetration Testing 82

Krebs on Security

JULY 13, 2021

Thirteen of the security bugs quashed in this month’s release earned Microsoft’s most-dire “critical” rating, meaning they can be exploited by malware or miscreants to seize remote control over a vulnerable system without any help from users. So do yourself a favor and backup before installing any patches.

DNS 287

DNS Engineering Internet Internet 287

Webroot

MAY 6, 2024

For businesses, this means implementing a comprehensive incident response plan that includes secure, immutable backups and regular testing to ensure rapid recovery in the event of an attack. Malware Infections on the Rise For the first time in years, malware infection rates are rising among both businesses and consumers.

Antivirus 89

Antivirus Education Cyber threats Phishing 89

eSecurity Planet

FEBRUARY 16, 2021

Malware, short for “malicious software,” is any unwanted software on your computer that, more often than not, is designed to inflict damage. Since the early days of computing, a wide range of malware types with varying functions have emerged. Best Practices to Defend Against Malware. Jump ahead: Adware. RAM scraper.

Malware 104

Malware Adware Spyware Antivirus 104

Krebs on Security

FEBRUARY 9, 2021

Nine of the 56 vulnerabilities earned Microsoft’s most urgent “critical” rating, meaning malware or miscreants could use them to seize remote control over unpatched systems with little or no help from users. So do yourself a favor and backup your files before installing any patches.

DNS 309

DNS Backups Software Phishing 309

SecureList

APRIL 24, 2023

Introduction We introduced Tomiris to the world in September 2021, following our investigation of a DNS-hijack against a government organization in the Commonwealth of Independent States (CIS). We hypothesize that the general aim is to provide operators with “full-spectrum malware” in order to evade security products.

Malware 96

Malware DNS Government Software 96

Cisco Security

AUGUST 11, 2021

We looked at REvil, also known as Sodinokibi or Sodin, earlier in the year in a Threat Trends blog on DNS Security. In it we talked about how REvil/Sodinokibi compromised far more endpoints than Ryuk, but had far less DNS communication. Figure 1-DNS activity surrounding REvil/Sodinokibi. Deleting backups.

Ransomware 129

Ransomware DNS Encryption Backups 129

Webroot

JUNE 21, 2021

It may be as simple as the deployment of antivirus plus backup and recovery applications for your end users, or a more complex approach with security operations center (SOC) tools or managed response solutions coupled with network security tools such as DNS and Web filtering, network and endpoint firewalls, VPNs, backup and recovery and others.

Backups 119

Backups DNS Ransomware Antivirus 119

Security Affairs

JUNE 24, 2021

The name ChaChi comes from two key components of the malware, Cha shell and Chi sel. Chashell is a reverse shell over DNS provider, while Chisel is a port-forwarding tool. The malware was recently employed in attacks against large US schools and education organizations. . ” .

Ransomware 116

Ransomware Education DNS Backups 116

Security Boulevard

MAY 6, 2021

This includes a layered combination of DNS networking, secure endpoint connections, and an educated and empowered human workforce. The need for DNS security cannot be ignored, especially with the rise of remote workforces, in order to monitor and manage internet access policies, as well as reduce malware.

Cybersecurity 140

Cybersecurity DNS Education Security Awareness 140

Webroot

APRIL 13, 2021

This includes essential security measures like firewalls, endpoint protection and DNS protection. And, since even firewalls can be circumvented, it means keeping backups of all business data so you never have to pay a ransom to get your data back. Attacks like BEC are less about malware and more about manipulating people.

Ransomware 123

Ransomware DNS Firewall Security Awareness 123

Malwarebytes

FEBRUARY 28, 2024

In late January 2024, the ThreatDown Managed Detection and Response (MDR) team found and stopped a three-month long malware campaign against a Managed Service Provider (MSP) based in Europe. Almost immediately after onboarding the MSP in mid-January, the ThreatDown MDR team found extensive evidence of an ongoing malware campaign.

Malware 85

Malware DNS Surveillance Backups 85

Security Affairs

NOVEMBER 5, 2021

Over the past months, other ransomware gangs, including Conti and Lockfile , exploited ProxyShell flaws to deliver their malware. The analysis of DNS request distribution to the malicious domains revealed that most of the requests were coming from the U.S. ” reads the analysis published by Talos.

Ransomware 123

Ransomware Backups Encryption DNS 123

Malwarebytes

AUGUST 8, 2023

To detect unauthorized use of Cloudflare Tunnels, the researchers recommend that organizations monitor for specific DNS queries (as shared in the report) and use non-standard ports like 7844. Use endpoint security software that can prevent exploits and malware used to deliver ransomware. Create offsite, offline backups.

Backups 87

Backups Ransomware DNS Software 87

Security Affairs

JANUARY 29, 2023

If you want to also receive for free the newsletter with the international press subscribe here.

DNS 85

DNS Data breaches Hacking Backups 85

Krebs on Security

DECEMBER 8, 2020

Nine of the 58 security vulnerabilities addressed this month earned Microsoft’s most-dire “critical” label, meaning they can be abused by malware or miscreants to seize remote control over PCs without any help from users. So do yourself a favor and backup before installing any patches.

DNS 287

DNS Backups Malware Software 287

eSecurity Planet

MAY 2, 2024

The vendor reports show that most attackers want credentials, most malware development is in credential-stealing software, and the market for stolen credentials is booming: Cisco: Found 54% of organizations experienced a cybersecurity incident; and of those incidents, 54% involved phishing and 37% involved credentials stuffing.

Cybersecurity 119

Cybersecurity DDOS Penetration Testing Passwords 119

eSecurity Planet

SEPTEMBER 3, 2022

For example, the 2016 DDoS attack on the Dyn managed domain name service (DNS) caused the DNS service to fail to respond to legitimate DNS inquiries and effectively shut down major sites such as PayPal, Spotify, Twitter, Yelp, and many others. Also read: How to Secure DNS. Types of DDoS Attacks. Harden infrastructure.

DDOS 145

DDOS DNS Firewall Internet 145

eSecurity Planet

APRIL 26, 2024

Server: Provides powerful computing and storage in local, cloud, and data center networks to run services (Active Directory, DNS, email, databases, apps). Next-generation firewalls (NGFWs): Improve the general security of a firewall with advanced packet analysis capabilities to block malware and known-malicious sites.

Architecture 117

Architecture Network Security Firewall Risk 117

eSecurity Planet

SEPTEMBER 29, 2021

Recent research by Positive Technologies looked at the cyber threat landscape during Q2 2021 and found that ransomware attacks reached “stratospheric” levels, accounting for 69% of all malware attacks, a huge jump from 39% in Q2 2020. Detect compromised accounts, insider threats, and malware. Best Ransomware Removal Tools.

Ransomware 107

Ransomware VPN Backups Malware 107

Fox IT

JUNE 2, 2020

Publicly discovered in late April 2020, the Team9 malware family (also known as ‘Bazar [ 1 ]’) appears to be a new malware being developed by the group behind Trickbot. Even though the development of the malware appears to be recent, the developers have already developed two components with rich functionality. Introduction.

Malware 48

Malware DNS Architecture Backups 48

Krebs on Security

JANUARY 8, 2024

As detailed in my 2014 book, Spam Nation , Spamdot was home to crooks controlling some of the world’s nastiest botnets, global malware contagions that went by exotic names like Rustock , Cutwail , Mega-D , Festi , Waledac , and Grum. I can not provide DNS for u, only domains.

Cybercrime 215

Cybercrime Banking Computers and Electronics DDOS 215

CyberSecurity Insiders

MARCH 21, 2021

Anti-virus and anti-malware . Backup data on Cloud . Even if you take all the protective measures, you don’t want to be left without any backup or options in case of a cyber attack. Small businesses should have a contingency plan in place in the form of cloud backup. Two-factor authentication . Firewalls .

Small Business 145

Small Business Cyber Attacks VPN Backups 145

Cisco Security

MAY 24, 2021

million ransom and spending a long week restoring backups, Colonial was able to resume operations. Here are a few measures that industrial organizations should implement to start converging their IT and OT security practices: Protect computer systems against malware. Enforce security at the DNS layer. Have backups ready.

Firewall 91

Firewall IoT DNS Cyber Attacks 91

Vipre

JANUARY 25, 2021

According to the independent institute AV-TEST , the number of total new malware in 2020 increased by 13% compared to the last year, and malware for macOS by 1200% for the same period. Backup and Recovery Tools. DNS ad blockers are a new breed of ad blockers that use DNS to effectively block ads. Ad Blockers.

Identity Theft 40

Identity Theft Backups VPN Antivirus 40

McAfee

SEPTEMBER 14, 2021

A special thanks to our Professional Services’ IR team, ShadowServer , for historical context on C2 domains, and Thomas Roccia /Leandro Velasco for malware analysis support. McAfee customers are protected from the malware/tools described in this blog. The malware also decrypts and injects the payload in memory.

Malware 144

Malware DNS Accountability Manufacturing 144

Webroot

JANUARY 26, 2022

Security Analyst Tyler Moffitt says, “Even if malware targets someone with lower-level access, the attack will move laterally to eventually find an IT administrator.”. Who’s getting attacked? IT departments are feeling the brunt of these attacks, with 57% of them targeted by phishing. Carbonite + Webroot Sr.

Phishing 102

Phishing DNS Backups Security Awareness 102

Krebs on Security

APRIL 2, 2019

Canadian police last week raided the residence of a Toronto software developer behind “ Orcus RAT ,” a product that’s been marketed on underground forums and used in countless malware attacks since its creation in 2015. An advertisement for Orcus RAT. In an “official press release” posted to pastebin.com on Mar.

Advertising 226

Advertising Malware Marketing Software 226

SiteLock

AUGUST 27, 2021

Abby’s Flower Shop Delivers Fresh Malware to Your Door. One day, much to Abby’s surprise, she was notified by her hosting provider that her website was suspended due to malware. Abby can use a website scanner to find malware on her site. If malware is found, she is alerted immediately.

Hacking 98

Hacking DDOS eCommerce Firewall 98

SecureList

DECEMBER 1, 2023

To exfiltrate data and deliver next-stage malware, the attackers abuse cloud-based data storage, such as Dropbox or Yandex Disk, as well as a temporary file sharing service. The postinst script contains comments in Russian and Ukrainian, including information about improvements made to the malware, as well as statements by activists.

Malware 98

Malware Ransomware Encryption Energy and Utilities 98

Security Affairs

MARCH 20, 2022

EU and US agencies warn that Russia could attack satellite communications networks Avoslocker ransomware gang targets US critical infrastructure Crooks claims to have stolen 4TB of data from TransUnion South Africa Exotic Lily initial access broker works with Conti gang Emsisoft releases free decryptor for the victims of the Diavol ransomware China-linked (..)

DNS 87

DNS Antivirus DDOS Hacking 87

eSecurity Planet

MAY 28, 2021

Malware detection has long been a game of signature detection. With ML and artificial intelligence (AI) using thousands of strains to train algorithms, one would surmise that the ability to detect malware is only improving. Hackers are using the same ML and AI technology to avoid using recognized malware. Old way New way.

Software 116

Software Firmware DNS VPN 116

Security Affairs

FEBRUARY 14, 2021

Cybercriminal behind the most prominent carding marketplace on the dark web Joker’s Stash retires, he will shut down its servers and destroy the backups. The sized sites were at jstash.bazar, jstash.lib, jstash.emc, and jstash.coin, which are all those accessible via blockchain DNS. ” reads the article published by Forbes.

Cybercrime 95

Cybercrime Backups Hacking DNS 95

Security Boulevard

JANUARY 17, 2024

Figure 1 — Cloudflare RBI Diagram The primary focus of RBI is to prevent user interactions with web-based malware such as cross-site scripting (XSS), drive-by downloads, and various forms of malicious JavaScript. Once you establish a DNS C2 foothold, work into a GET-only HTTP C2 channel. In this function, it does an excellent job.

DNS 64

DNS Penetration Testing Passwords Encryption 64

SecureList

OCTOBER 3, 2022

Display DNS resolver cache. While the functionality of the malware didn’t change that much over time, the author made an effort to ensure its files wouldn’t be detected using publicly available signatures. The table below illustrates some changes made by the malware author. cmd.exе /c sеt. cmd.exе /c systеminfo.

Backups 106

Backups Malware Engineering Passwords 106