Remove 2023 Remove DNS Remove Encryption
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How to Prevent DNS Attacks: DNS Security Best Practices

eSecurity Planet

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. TLS and HTTPS inherently create secured and encrypted sessions for communication.

DNS 115
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IT threat evolution Q3 2023

SecureList

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.

Malware 138
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Overview of IoT threats in 2023

SecureList

We conducted an analysis of the IoT threat landscape for 2023, as well as the products and services offered on the dark web related to hacking connected devices. Brute-force attacks on services that use SSH, a more advanced protocol that encrypts traffic, can yield similar outcomes. BTC to recover the data.

IoT 135
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Ransomware groups target Veeam Backup & Replication bug

Security Affairs

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.

Backups 139
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New Linux variant of BIFROSE RAT uses deceptive domain strategies

Security Affairs

The recent sample of Linux variants of BIFROSE employes RC4 encryption to encrypt the collected victim data. The researchers observed the malware trying to contact a Taiwan-based public DNS resolver with the IP address 168.95.1[.]1. com by using the public DNS resolver at 168.95[.]1.1.

DNS 139
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New SteelFox Trojan mimics software activators, stealing sensitive data and mining cryptocurrency

SecureList

During our investigation, we found out that the campaign started in February 2023. Its parameters are also encrypted — they are decrypted once dropped by the first stage. The target DLL is loaded via a malicious shellcode and encrypted with AES-128 in the same way as described earlier in the initial stage. communication.

Software 123
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Hackers hijacked the eScan Antivirus update mechanism in malware campaign

Security Affairs

eScan acknowledged the flaw and addressed it on July 31, 2023. Below the infection chain described by Avast: The eScan updater triggers the update The downloaded package file is replaced with a malicious one on the wire because of a missing HTTPS encryption (MitM is performed) A malicious package updll62.dlz

Antivirus 130