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Ofek Itach

Ofek is a Security Researcher at Team Nautilus, Aqua's research team. With a focus on big data analytics, Ofek researches various domains in the cloud, including attacks against cloud providers and services. In his spare time, he enjoys listening to podcasts, playing soccer, and collecting watches.
Blog Posts by Ofek Itach
Public Travis CI Logs (Still) Expose Users to Cyber Attacks
In our latest research, we at Team Nautilus found that tens of thousands of user tokens are exposed via the Travis CI API, which allows anyone to access historical clear-text logs. More than 770 million logs of free tier users are available, from which you can easily extract tokens, secrets, and other credentials associated with …
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 …
Threat Alert: Anatomy of Silentbob’s Cloud Attack
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 …
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 …
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 …
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