On December 8th, Clinton Herget and Simon Maple, Field CTOs at Snyk, had the opportunity to chat with Corey Quinn, Chief Cloud Economist at The Duckbill Group, podcast host, curator of “Last Week in AWS”, and snarky Twitter personality. Their conversation took a lot of fun turns, from ranting about the hour-long line to get coffee at AWS re:Invent, to Corey proclaiming that “SBOMs are a fantasy” (there’s more context to that… keep reading).

You may not be familiar with NTFS file streams, but you use them every day when you access files on any modern Windows system. This blog post explains this feature of NTFS ADS, shows how hackers can exploit file stream functionality in cyberattacks, and offers strategies for defending your organization.

Covenant is one of the latest and greatest command and control (C2) post-exploitation frameworks. This post will walk you through the process of configuring Covenant and using it to execute payloads on compromised hosts. Note: This post demonstrates the capabilities of Covenant as of mid-September 2019.

Sudden, unexpected, and potentially very damaging. Zero-day attacks are the perfect storm for malicious actors and one of the worst-case scenarios for developers, security professionals, and DevOps teams. Yet it’s not all bad news for those charged with protecting your code, software, and applications, as long as you expect the unexpected and prepare for it. Building a fast, effective mitigation response for zero-day attacks starts with these three tactics.

In early November, a new authorization bypass vulnerability was found in Spring Security 5. Now, before we panic let’s look into this problem to see if you are vulnerable. Although the vulnerability is classified as high, there is only a specific set of use cases that are vulnerable. This means that not everyone is vulnerable, and I will show that in a second. Regardless, the advice is to upgrade to the newer version of the Spring Security.

On Tuesday, December 13, a joint announcement from the United States NSA and Citrix announced a zero-day vulnerability in Citrix ADC. The vulnerability (CVE-2022-27518) is a critical unauthenticated Remote Code Execution (RCE) issue currently rated as CVSS 9.8. Patches are already available from Citrix. The NSA attributes the zero-day to APT5, a Chinese hacking collective. There is currently no guidance for how widespread the campaign has been or how long it's been ongoing.

In a coordinated disclosure with Microsoft on December 13th, 2022, security researchers with Mandiant, SentinelOne, and Sophos published evidence of a threat actor technique where malicious crafted drivers were invoked using a valid cryptographic signature. The malicious drivers were observed attempting to terminate a list of security products and evade detection.

In our latest Snyk in 30, Jason Lane (Director of Product Marketing) and I (Marco Morales, Partner Solutions Architect) showcased Snyk Open Source with a focus on our integration with Bitbucket Cloud. They covered why open source security is vital for modern app development, along with tips on taking a holistic approach to application security that goes beyond just shifting left.

Live conferences are finally back, and the 11th annual AWS re:Invent did not disappoint. After a virtual 2020 and an in-person reduced-sized edition in 2021, there were more than 52,000 (yes — 52,000!) smiling faces milling about this year’s conference in Las Vegas. As per usual, re:Invent was full of exciting product news and updates. Here are the major announcements that got our attention and some of the things Snyk was up to in Vegas.

On December 13th, 2022, Citrix disclosed a critical remote code execution vulnerability (CVE-2022-27518) affecting several versions of Citrix ADC and Citrix Gateway. Citrix strongly advises affected customers to update to a supported version as soon as possible. While no public proof-of-concept exploit code is available for this vulnerability, Citrix has observed several instances of targeted exploitation.