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Nitzan Yaakov

Nitzan was a Security Data Analyst at Aqua Nautilus research team.

Blog Posts by Nitzan Yaakov

Threat Alert: Evolving Attack Techniques of Autom Cryptomining Campaign

Over the past three years, we at Team Nautilus have been tracking an ongoing cryptomining campaign attacking our honeypots. It got the name Autom due to a shell script that was downloaded and that initiated the attack. Through the years, the campaign has evolved, demonstrating new techniques to hide the attack. In this blog, we …

Cloud Native Technologies Used in Russia-Ukraine Cyber Attacks

The conflict between Russia and Ukraine is raging not only in the physical realm but also on the cyber front, where governments, hacktivist groups, and individuals are trying to play their part. In this blog, we analyze some examples of the cyberattacks that have taken place as part of the current conflict and review their …

8220 Gang Deploys a New Campaign with Upgraded Techniques

A recent campaign by the 8220 gang, who have been known to exploit the newly discovered critical Confluence vulnerability (CVE-2022-26134), targeted one of our honeypots. This campaign has evolved over time to deliberately target containers. In this game of cat and mouse, the threat actors used some new techniques, refurbishing the scripts from one attack …

Aqua Nautilus Discovers Redigo — New Redis Backdoor Malware

Aqua Nautilus discovered new Go-based malware that targets Redis servers. The attack was executed against one of our deliberately vulnerable Redis honeypots (CVE-2022-0543). Our investigation revealed new undetected malware written in Golang designed to target Redis servers to allow the attacking server to dominate the compromised machine. Therefore, the malware received the name Redigo. In …

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 …

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 …

Apache Applications Targeted by Stealthy Attacker

Researchers at Aqua Nautilus have uncovered a new attack targeting Apache Hadoop and Flink applications. This attack is particularly intriguing due to the attacker’s use of packers and rootkits to conceal the malware. The simplicity with which these techniques are employed presents a significant challenge to traditional security defenses.

Lucifer DDoS botnet Malware is Targeting Apache Big-Data Stack

Aqua Nautilus has unveiled a new campaign targeting Apache big-data stack, specifically Apache Hadoop and Apache Druid. Upon investigation, it was discovered that the attacker exploits existing misconfigurations and vulnerabilities within our Apache cloud honeypots to execute the attacks.

Muhstik Malware Targets Message Queuing Services Applications

Aqua Nautilus discovered a new campaign of Muhstik malware targeting message queuing services applications, specifically the Apache RocketMQ platform. Our investigation revealed that the attackers downloaded the known malware Muhstik onto the compromised instances by exploiting a known vulnerability in the platform. In this blog, we will explore how the attackers exploit the existing vulnerability …

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