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Idan Revivo

Idan is the Head of Security Research at Aqua Security. He manages a team of researchers who are focused on threat hunting and vulnerability research in containers, serverless, and cloud native technologies.

Blog Posts by Idan Revivo

Crypto-Mining Malware Outsmarting Image Scanners

In previous crypto-mining attacks, we observed hackers investing little to no effort in hiding their malicious activities. They just ran the malicious container with all of its scripts and configuration files in clear text. This made the analysis of their malicious intent fairly easy.

Dynamic Threat Analysis for Container Images: Uncovering Hidden Risks

Container images are a growing path for external code to enter an organization. Docker has simplified image workflow in order to encourage adoption by developers, so anyone can pull and run images that were built and pushed to Docker Hub, often by unknown individuals. This is being exploited by malicious actors to embed sophisticated malware …

Threat Alert: Fileless Malware Executing in Containers

Our cyber research team detected a new type of attack that executes and runs malware straight from memory in containers, thus evading common defenses and static scanning. This malware is using a rootkit to hide its running processes, then hijacks resources by executing a crypto miner from memory — leaving a backdoor that enables attackers …

Go deeper: Linux runtime visibility meets Wireshark

Aqua Tracee is an open source runtime security and forensics tool for Linux, built to address common Linux security issues. Tracee’s main use case is to be installed in a production environment and continuously monitor system activity and detect suspicious behavior. Some alternative use cases which Tracee can be used for are dynamic malware analysis, …

perfctl: A Stealthy Malware Targeting Millions of Linux Servers

In this blog post, Aqua Nautilus researchers aim to shed light on a Linux malware that, over the past 3-4 years, has actively sought more than 20,000 types of misconfigurations in order to target and exploit Linux servers. If you have a Linux server connected to the internet, you could be at risk. In fact, …

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