August 2023 – Page 12 – Learn and Explore

August 8, 2023
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Hackers Abusing Cloudflare Tunnels for Covert Communications

New research has revealed that threat actors are abusing Cloudflare Tunnels to establish covert communication channels from compromised hosts and retain persistent access. “Cloudflared is functionally very similar to ngrok,” Nic Finn, a senior threat intelligence analyst at GuidePoint Security, said. “However, Cloudflared differs from ngrok in that it...

August 8, 2023
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Understanding Active Directory Attack Paths to Improve Security

Introduced in 1999, Microsoft Active Directory is the default identity and access management service in Windows networks, responsible for assigning and enforcing security policies for all network endpoints. With it, users can access various resources across networks. As things tend to do, times, they are a’changin’ – and a...

August 8, 2023
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New Yashma Ransomware Variant Targets Multiple English-Speaking Countries

An unknown threat actor is using a variant of the Yashma ransomware to target various entities in English-speaking countries, Bulgaria, China, and Vietnam at least since June 4, 2023. Cisco Talos, in a new write-up, attributed the operation with moderate confidence to an adversary of likely Vietnamese origin. “The...

August 8, 2023
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LOLBAS in the Wild: 11 Living-Off-The-Land Binaries Used for Malicious Purposes

Cybersecurity researchers have discovered a set of 11 living-off-the-land binaries-and-scripts (LOLBAS) that could be maliciously abused by threat actors to conduct post-exploitation activities. “LOLBAS is an attack method that uses binaries and scripts that are already part of the system for malicious purposes,” Pentera security researcher Nir Chako said. “This...

August 7, 2023
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New Malware Campaign Targets Inexperienced Cyber Criminals with OpenBullet Configs

A new malware campaign has been observed making use of malicious OpenBullet configuration files to target inexperienced cyber criminals with the goal of delivering a remote access trojan (RAT) capable of stealing sensitive information. Bot mitigation company Kasada said the activity is designed to “exploit trusted criminal networks,” describing it as...

August 7, 2023
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North Korean Hackers Targets Russian Missile Engineering Firm

Two different North Korean nation-state actors have been linked to a cyber intrusion against the major Russian missile engineering company NPO Mashinostroyeniya. Cybersecurity firm SentinelOne said it identified “two instances of North Korea related compromise of sensitive internal IT infrastructure,” including a case of an email server compromise and the deployment...

August 7, 2023
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New SkidMap Redis Malware Variant Targeting Vulnerable Redis Servers

Vulnerable Redis services have been targeted by a “new, improved, dangerous” variant of a malware called SkidMap that’s engineered to target a wide range of Linux distributions. “The malicious nature of this malware is to adapt to the system on which it is executed,” Trustwave security researcher Radoslaw Zdonczyk said in an analysis...

August 7, 2023
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New ‘Deep Learning Attack’ Deciphers Laptop Keystrokes with 95% Accuracy

A group of academics has devised a “deep learning-based acoustic side-channel attack” that can be used to classify laptop keystrokes that are recorded using a nearby phone with 95% accuracy. “When trained on keystrokes recorded using the video conferencing software Zoom, an accuracy of 93% was achieved, a new...

August 7, 2023
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Enhancing Security Operations Using Wazuh: Open Source XDR and SIEM

In today’s interconnected world, evolving security solutions to meet growing demand is more critical than ever. Collaboration across multiple solutions for intelligence gathering and information sharing is indispensable. The idea of multiple-source intelligence gathering stems from the concept that threats are rarely isolated. Hence, their detection and prevention require...

August 7, 2023
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FBI Alert: Crypto Scammers are Masquerading as NFT Developers

The U.S. Federal Bureau of Investigation (FBI) is warning about cyber crooks masquerading as legitimate non-fungible token (NFT) developers to steal cryptocurrency and other digital assets from unsuspecting users. In these fraudulent schemes, criminals either obtain direct access to NFT developer social media accounts or create look-alike accounts to...