August 8th: Nozomi Networks OT/IoT Security Report +++ Data exfiltration via bookmark syncing +++ Malware campaign in GitHub repos +++ Patch priority index July 2022

Nozomi Networks OT/IoT Security Report

Nozomi Networks has released their semi-annual OT/IoT Security Report, covering the threat and vulnerability landscape for the first half of 2022. In this report, they break down the threat landscape, including:

  • A review of the current state of OT/IoT cybersecurity 
  • Trends in the threat landscape (plus timeline), and solutions for addressing them 
  • A recap of the Russia/Ukraine crisis, highlighting new malicious tools and malware introduced, as well as how this conflict can give insights into attacker capabilities
  • Insights into Internet of Things (IoT) botnets, corresponding Indicators of Compromise (IoCs) and threat actor Tactics Techniques and Procedures (TTPs)
  • Key threat mitigations and a forecast of what to expect for the rest of 2022

This report arms security professionals with the latest insights needed to re-evaluate risk models and security initiatives, along with actionable recommendations for securing organization’s networks.

Are you interested in reading the report? The executive summary can be read here: OT/IoT Security Report. Cyber War Insights, Threats and Trends, Recommendations (nozominetworks.com) In case you are interested in the whole 28-page OT/IT security report, the report has to be downloaded here:  New OT/IoT Security Report (nozominetworks.com)

Data exfiltration via bookmark syncing

Bookmark synchronization has become a standard feature in modern browsers: It gives Internet users a way to ensure that the changes they make to bookmarks on a single device take effect simultaneously across all their devices. However, it turns out that this same helpful browser functionality also gives cybercriminals a handy attack path. Bookmarks can be abused to siphon out reams of stolen data from an enterprise environment, or to sneak in attack tools and malicious payloads, with little risk of being detected. This discovery was made within research into how attackers can abuse browser functionality to smuggle data out from a compromised environment and carry out other malicious functionality. In a recent Paper, David Prefer, an academic researcher at the SANS Technology Institute, described the process as „bruggling“ — a portmanteau of browser and smuggling. It’s a novel data exfiltration vector that he demonstrated with a proof-of-concept (PoC) PowerShell script called „Brugglemark“ that he developed for the purpose.

The entire insight on bruggling can be read in this article: Chromium Browsers Allow Data Exfiltration via Bookmark Syncing (darkreading.com)

Malware campaign in thousands of GitHub repos

Security researcher and developer Stephen Lacy has apparently discovered a large-scale malware campaign (35,000 code repos) on GitHub. The aim of this campaign is probably to extract data from developers in order to subsequently carry out further attacks. The code can be found in numerous different sections such as packages for the programming languages Go, Python, and Javascript.

To distribute the malware, genuine open-source projects are forged as copies. The malware code is submitted and distributed via seemingly harmless pull requests. Lacy recommends a review of the code cloned from GitHub and that maintainers use GPG signatures for code in their project. According to GitHub, their security team has already begun removing the code from the platform.

Interested in more information? Here two of our trusted sources:

Patch priority index July 2022

First on the patch priority list by Tripwire are patches that resolve two vulnerabilities in Edge. Next is a patch that resolves a security feature bypass vulnerability in Office. A summary of the patches and corresponding vulnerabilities is published here: Tripwire Patch Priority Index for July 2022 (tripwire.com).

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