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A malware campaign has been exploiting the updating mechanism of the eScan antivirus to distribute backdoors and cryptocurrency miners. Avast researchers discovered and analyzed a malware campaign that exploited the update mechanism of the eScan antivirus to distribute backdoors and crypto miners.
Domain name service (DNS) attacks threaten every internet connection because they can deny, intercept, and hijack connections. With the internet playing an increasing role in business, securing DNS plays a critical role in both operations and security. Everything You Need to Know.
In 2023, small businesses experienced a 424-percent increase in breaches, and half of all SMBs reported suffering at least one attack. Basic solutions like antivirus deployments are certainly still important, but they are reactionary measures. DNS tunneling: An attacker uses DNS to exfiltrate data or gain remote access to a network.
Multiple ransomware groups were spotted exploiting a vulnerability, tracked as CVE-2023-27532, in Veeam Backup & Replication. The vulnerability CVE-2023-275327 (CVSS score of 7.5) The vulnerability was addressed in March 2023, and shortly after a PoC exploit code for this issue was released publicly.
Analysis of samples exploiting CVE-2023-23397 vulnerability On March 14, Microsoft reported a critical Elevation of Privilege (EoP) vulnerability (CVE-2023-23397) in the Outlook client. This feature bypass vulnerability (CVE-2023-29324) was itself patched in May. org domain.
This blog examines the escalating phishing landscape, shortcomings of common anti-phishing approaches, and why implementing a Protective DNS service as part of a layered defense provides the most effective solution. This is where Protective DNS comes in. No reliance on match lists, signatures, or patterns.
During our investigation, we found out that the campaign started in February 2023. SteelFox resolves this via Google Public DNS and DNS over HTTPS (DoH). Technical Details Background In August 2024, we stumbled upon a massive infection caused by an unknown bundle consisting of miner and stealer malware. communication.
Physical appliances provide functionality for routing wide area networks (WANs), stateful firewalls, SD-WANs, NGFW, antivirus, intrusion prevention services (IPS), and unified threat management (UTM) capabilities for local networks. Subscribe The post Versa Unified SASE Review & Features 2023 appeared first on eSecurity Planet.
The 2023 vendor surveys arriving this quarter paint a picture of a cybersecurity landscape under attack, with priority issues affecting deployment, alert response, and exposed vulnerabilities. Sophos: Noted that 43% of all 2023 malware signature updates are for stealers, spyware, and keyloggers often used to steal credentials from devices.
The attacks began in late 2023, coinciding with other industrial system breaches, and continued into mid-2024. The malware remained undetected by VirusTotal antivirus engines as of December 2024. It employs DNS over HTTPS (DoH) to evade network monitoring tools and encrypts configurations with AES-256-CBC. d/S93InitSystemd.sh.
Securing SMB Success: The Indispensable Role of Protective DNS Cyber attacks pose as much risk to small and medium-sized businesses (SMBs) as they do to large organizations — if not more. Implementing a Domain Name Service (DNS) security solution is the most efficient way to protect your business against a wide variety of attacks.
It is known to use the technique of querying DNS servers to obtain the base64-encoded URL in order to receive the next stage of another malware family currently distributed by Satacom. To do so, it performs a DNS request to don-dns[.]com com (a decrypted HEX string) through Google DNS (8.8.8.8, com don-dns[.]com
FortiSASE User Subscriptions The basic user subscription for the FortiSASE product provides secure internet access through SSL inspection, inline antivirus, inline sandbox, intrusion prevention systems (IPS), botnet command and control protection, inline CASB, inline DLP, website filtering, and DNS address filtering. Mbps of bandwidth.
Just to illustrate the scope of the issue, the Malwarebytes Threat Intelligence team spotted more than 800 malvertising campaigns in only the first six months of 2023, noting that the number of attacks that flew under researchers' radar was likely much higher. Double-check the URLs of landing pages that load after you click advertisements.
This discovery, coupled with historical passive DNS data linking the IP to a domain infamous from previous DNS tunneling campaigns suggests a significant and ongoing threat. Historical passive DNS data from 2023 links this IP to a claudfront.net domain, known for its involvement in DNS tunneling campaigns.
However, as of September 2023, the number had dropped to 60,000 since the last update in April 2023. DNS resolutions for pool servers are cleverly concealed behind DNS over HTTPS requests to the Cloudflare DoH (DNS over HTTPS) service , adding an extra layer of stealth to its operations.
It can be time consuming to establish these protocols on an organization’s DNS servers, but doing so will provide two key benefits. Email security tools offer features that screen emails for malicious content using antivirus, anti-spam, DNS, attachment, and other analytics.
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). The following map shows the countries where we detected Tomiris targets (colored in green: Afghanistan and CIS members or ratifiers).
Figure 2 shows a Mystic Stealer sample that retrieves the current system time and compares the value to 1685318914 (0x6473ED02), which when converted from an epoch to a timestamp translates to Sun May 28 17:08:34 2023. As a result, this technique may bypass static antivirus signatures and complicate malware reverse engineering.
Endpoint security : protects endpoints with antivirus, endpoint detection and response (EDR) tools, etc. Other hackers might use a spoofed domain name system (DNS) or IP addresses to redirect users from legitimate connections (to websites, servers, etc.) endpoint security (antivirus, Endpoint Detection and Response, etc.),
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