Exploited SSH Servers Offered in the Dark web as Proxy Pools

Aqua Nautilus Research Blog

Nautilus focuses on cybersecurity research of the cloud native stack, missioned to uncover new vulnerabilities, threats and attacks that target containers, Kubernetes, serverless, and public cloud infrastructure.

SECURITY RESEARCH

Exploited SSH Servers Offered in the Dark web as Proxy Pools

Security Threat

Aqua Nautilus researchers have shed brighter light on a long-standing threat to SSH in the context of the cloud. More specifically, the threat actor harnessed our SSH server to be a slave proxy and pass traffic through it. In this blog, we will explain this threat, demonstrate how attackers exploit SSH, what actions they take …

SECURITY RESEARCH

New Vulnerability in curl and libcurl Could Lead to Heap Buffer Overflow

A new high severity vulnerability (CVE-2023-38545) was published today along with a technical blog around the popular open source project, curl. This vulnerability could potentially, under various conditions, cause a heap overflow, which might lead to unexpected behavior, crashes, or potentially code execution. Therefore, the developer community should pay extra attention to this vulnerability and …

SECURITY RESEARCH

Kinsing Malware Exploits Novel Openfire Vulnerability

Aqua Nautilus discovered a new campaign that exploits the Openfire vulnerability (CVE-2023-32315), that was disclosed in May of this year, to deploy Kinsing malware and a cryptominer. This vulnerability leads to a path traversal attack, which grants an unauthenticated user access to the Openfire setup environment. This then allows the threat actor to create a …

SECURITY RESEARCH

PowerHell: Active Flaws in PowerShell Gallery Expose Users to Attacks

Security Threat

Recent findings by Aqua Nautilus have exposed significant flaws that are still active in the PowerShell Gallery’s policy regarding package names and owners. These flaws make typosquatting attacks inevitable in this registry, while also making it extremely difficult for users to identify the true owner of a package. Consequently, these flaws pave the way for …

SECURITY RESEARCH

Kubernetes Exposed: One Yaml away from Disaster

If you thought that falling victim to ransomware, or a hacker hijacking your workstation was a nightmare, consider the potential catastrophe of having your Kubernetes (k8s) cluster hijacked. It could be a disaster magnified a million times over.

SECURITY RESEARCH

Three Years Later: The Meow Campaign Reaches Jupyter

In 2017 and 2020 we saw the oddest campaign – ‘Meow’ – targeting unsecured databases such as MongoDB, Elasticsearch, Cassandra, CouchDB, and other software such as Hadoop clusters, FTPs, Jenkins etc. The Modus Operandi was very simple finding an exposed instance, deleting everything, and destroying data without any explanation. Back in 2017 and 2020, it …

SECURITY RESEARCH

Tomcat Under Attack: Exploring Mirai Malware and Beyond

A recent Java Developer Productivity Report showed that almost 50% of developers are using Apache Tomcat, indicating its widespread usage in the cloud, big data and website development. We will begin by presenting statistics and examples from recent attacks. Afterward, we will delve into a detailed analysis of a single attack directed at one of …

SECURITY RESEARCH

Detecting eBPF Malware with Tracee

eBPF is a popular and powerful technology embedded in the Linux kernel. It is widely used by many security tools for monitoring kernel activity to detect and protect organizations. eBPF, however, can potentially be a dual edged sword as it can be used by threat actors as part of their malicious arsenal. Lately, we have …

SECURITY RESEARCH

TeamTNT Reemerged with New Aggressive Cloud Campaign

In part one of this two-part blog series, titled The Anatomy of Silentbob’s Cloud Attack we provided an overview of the preliminary stages of an aggressive botnet campaign that aimed at cloud native environments. This post will dive into the full extent of the campaign and provide a more comprehensive exploration of an extensive botnet …

SECURITY RESEARCH

Threat Alert: Anatomy of Silentbob’s Cloud Attack

Security Threat

Aqua Nautilus researchers identified an infrastructure of a potentially massive campaign against cloud native environments. This infrastructure is in early stages of testing and deployment, and is mainly consistent of an aggressive cloud worm, designed to deploy on exposed JupyterLab and Docker APIs in order to deploy Tsunami malware, cloud credentials hijack, resource hijack and …

SECURITY RESEARCH

2023 Nautilus Cyber Security Report – Insights Revealed

The adoption of cloud native technologies has become a cornerstone to helping businesses build and run applications. Cloud computing has revolutionized the way organizations design, develop, deploy, and manage their applications. While it has brought many benefits such as scalability, flexibility, and agility, it has also come with inherent complexities that have led to compromise …

SECURITY RESEARCH

GitHub Dataset Research Reveals Millions Potentially Vulnerable to RepoJacking

Millions of GitHub repositories are potentially vulnerable to RepoJacking. New research by Aqua Nautilus sheds light on the extent of RepoJacking, which if exploited may lead to code execution on organizations’ internal environments or on their customers’ environments. As part of our research, we found an enormous source of data that allowed us to sample …

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