research

How Malicious Actors Abuse Native Linux Tools in Their Attacks

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How Malicious Actors Abuse Native Linux Tools in Their Attacks

Based on real-world attacks and our honeypots, we observed that malicious actors use a variety of enabled tools that come bundled with Linux distributions, such as curl, wget, chmod, chattr, ssh, base64, chroot, crontab, ps, and pkill, that are abused by attackers for nefarious purposes. We have seen malicious actors abusing these tools in the wild. The presence of these utilities, especially inside container environments, should be at least considered, since they provide additional avenues…

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Enhancing Cloud Security by Reducing Container Images Through Distroless Techniques

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Enhancing Cloud Security by Reducing Container Images Through Distroless Techniques

Figure 1 shows that there are 96 packages installed in this image. We can also use Grype, also an increasingly popular tool, to analyze the SBOM generated by Syft to scan the original image for vulnerabilities. The extent of the risk of using Debian-based images is plain to see: The more packages there are, the larger the attack surface becomes. This also results in a bigger disk and bandwidth footprint, which has pushed many developers…

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Play Ransomware Attack Playbook Similar to that of Hive, Nokoyawa

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Play Ransomware Attack Playbook Similar to that of Hive, Nokoyawa

Initial Access Play’s ransomware actors commonly gain initial access through valid accounts that have been reused across multiple platforms, have previously been exposed, or were obtained through illegal means. This includes Virtual Private Network (VPN) accounts, not just domain and local accounts. Exposed RDP servers are also abused to establish a foothold. Another technique Play ransomware uses is the exploitation of the FortiOS vulnerabilities CVE-2018-13379 and CVE-2020-12812. CVE-2018-13379 is a path traversal vulnerability in the…

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BumbleBee a New Modular Backdoor Evolved From BookWorm

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BumbleBee a New Modular Backdoor Evolved From BookWorm

BumbleBee a New Modular Backdoor Evolved From BookWorm Malware In March 2021, we investigated a backdoor with a unique modular architecture and called it BumbleBee due to a string embedded in the malware. However, in our recent investigations, we have discovered a controller application that expands its capabilities. By: Vickie Su, Ted Lee, Nick Dai September 02, 2022 Read time:  ( words) In March 2021, we investigated a backdoor with a unique modular architecture and…

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Tackling the Growing and Evolving Digital Attack Surface 2022 Midyear Cybersecurity Report

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Tackling the Growing and Evolving Digital Attack Surface 2022 Midyear Cybersecurity Report

According to our Trend Micro Smart Protection Network (SPN) platform, Emotet detections soared in the first six months of 2022 with 148,701 detections compared to the 13,811 detections in the first half of the previous year. Based on our telemetry, Japan was the country with the highest number of detections. Comparison of Emotet detections Year Count 1H 2021 13,811 1H 2022 148,701 Source: Trend Micro Smart Protection Network Top five countries with Emotet detections Country…

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New Golang Ransomware Agenda Customizes Attacks

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New Golang Ransomware Agenda Customizes Attacks

Analysis and notable features The Agenda ransomware is a 64-bit Windows PE file written in Go. Go programs are cross-platform and completely standalone, meaning they will execute properly even without a Go interpreter installed on a system. This is possible since Go statically compiles necessary libraries (packages). Upon execution, this ransomware accepts various command-line arguments that define the malware flow and functionality, as listed in the table below. Argument  Description -alter {int}  Defines the port number…

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Ransomware Actor Abuses Genshin Impact Anti-Cheat Driver to Kill Antivirus

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Ransomware Actor Abuses Genshin Impact Anti-Cheat Driver to Kill Antivirus

The mhyprot2.sys driver that was found in this sequence was the one built in August 2020. Going back to social media streams, we can see that shortly after Genshin Impact was released in September 2020, this module was discussed in the gaming community because it was not removed even after the game was uninstalled and because it allowed bypassing of privileges. A PoC, provided by user kagurazakasanae, showed that a library terminated 360 Total Security….

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What Exposed OPA Servers Can Tell You About Your Applications

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What Exposed OPA Servers Can Tell You About Your Applications

With the proper request or token, an attacker could obtain even more information about these services and look for vulnerabilities or other entry points to get into an organization’s systems. We highly recommend that companies currently leveraging OPA as their policy-as-code solution to ensure that they are not unwittingly exposing their APIs and policies online. In certain cases, companies could be using OPA without them realizing it; multiple providers for Kubernetes-managed services rely on OPA for…

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Oil and Gas Cybersecurity: Recommendations Part 3

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Oil and Gas Cybersecurity: Recommendations Part 3

Oil and Gas Cybersecurity: Recommendations Part 3 Cyber Threats In the final part of our series, we look at the APT33 case study and several recommendations from our expert team. By: Trend Micro August 15, 2022 Read time:  ( words) The oil and gas industry continues to be a prime target for threat actors who want to disrupt the operation and wreak havoc. In part two, we discussed various threats that can affect an oil…

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Forecasting Metaverse Threats: Will it Become Metaworse?

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Forecasting Metaverse Threats: Will it Become Metaworse?

The term “metaverse” was first used by Neal Stephenson in his 1992 cyberpunk novel Snow Crash. It describes a virtual world that can be explored using avatars, offering players a completely immersive experience. Today, we see similar worlds in massively multiplayer online role-playing games (MMORPGs) such as Roblox, Minecraft, Fortnite, Second Life, and others, but these games are still nowhere close to the immersive experience described in Snow Crash.  The modern metaverse concept consists of…

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