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Category — Jupyter
Qubitstrike Targets Jupyter Notebooks with Crypto Mining and Rootkit Campaign

Qubitstrike Targets Jupyter Notebooks with Crypto Mining and Rootkit Campaign

Oct 18, 2023 Rootkit / Cryptocurrency
A threat actor, presumably from Tunisia, has been linked to a new campaign targeting exposed Jupyter Notebooks in a two-fold attempt to illicitly mine cryptocurrency and breach cloud environments. Dubbed  Qubitstrike  by Cado, the intrusion set utilizes Telegram API to exfiltrate cloud service provider credentials following a successful compromise. "The payloads for the Qubitstrike campaign are all hosted on codeberg.org – an alternative Git hosting platform, providing much of the same functionality as GitHub," security researchers Matt Muir and Nate Bill  said  in a Wednesday write-up. In the attack chain documented by the cloud security firm, publicly accessible Jupyter instances are breached to execute commands to retrieve a shell script (mi.sh) hosted on Codeberg. The shell script, which acts as the primary payload, is responsible for executing a cryptocurrency miner, establishing persistence by means of a cron job, inserting an attacker-controlled key to t...
Researchers Disclose Details of Critical 'CosMiss' RCE Flaw Affecting Azure Cosmos DB

Researchers Disclose Details of Critical 'CosMiss' RCE Flaw Affecting Azure Cosmos DB

Nov 01, 2022
Microsoft on Tuesday said it addressed an authentication bypass vulnerability in  Jupyter Notebooks  for Azure Cosmos DB that enabled full read and write access. The tech giant said the problem was introduced on August 12, 2022, and rectified worldwide on October 6, 2022, two days after responsible disclosure from Orca Security, which dubbed the flaw  CosMiss . "In short, if an attacker had knowledge of a Notebook's 'forwardingId,' which is the UUID of the Notebook Workspace, they would have had full permissions on the Notebook without having to authenticate, including read and write access, and the ability to modify the file system of the container running the notebook," researchers Lidor Ben Shitrit and Roee Sagi said. This container modification could ultimately pave the way for obtaining remote code execution in the Notebook container by overwriting a Python file associated with the  Cosmos DB Explorer  to spawn a reverse shell. Successful exploitatio...
cyber security

10 Steps to Microsoft 365 Cyber Resilience

websiteVeeamCyber Resilience / Data Security
75% of organizations get hit by cyberattacks, and most report getting hit more than once. Read this ebook to learn 10 steps to take to build a more proactive approach to securing your organization's Microsoft 365 data from cyberattacks and ensuring cyber resilience.
A New Jupyter Malware Version is Being Distributed via MSI Installers

A New Jupyter Malware Version is Being Distributed via MSI Installers

Sep 27, 2021
Cybersecurity researchers have charted the evolution of Jupyter, a .NET infostealer known for singling out healthcare and education sectors, which make it exceptional at defeating most endpoint security scanning solutions. The new delivery chain, spotted by  Morphisec  on September 8, underscores that the malware has not just continued to remain active but also showcases "how threat actors continue to develop their attacks to become more efficient and evasive." The Israeli company said it's currently investigating the scale and scope of the attacks. First  documented  in November 2020, Jupyter (aka Solarmarker) is likely Russian in origin and primarily targets Chromium, Firefox, and Chrome browser data, with additional capabilities that allow for full backdoor functionality, including features to siphon information and upload the details to a remote server and download and execute further payloads. Forensic evidence gathered by Morphisec shows that multiple versi...
cyber security

The Ultimate Guide to SaaS Identity Security in 2025

websiteWing SecuritySaaS Security / Identity Threat Detection
Discover how to protect your SaaS apps from identity-based breaches with this expert 2025 guide—learn practical steps to secure every account and keep your data safe.
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