Attacking The Supply Chain: Developer

In this proof of concept, we look into one of several attack vectors that can be abused to attack the supply chain: targeting the developer. With a focus on the local integrated developer environment (IDE), this proof considers the execution of malicious build scripts via injecting commands when the project or build is incorrectly “trusted”. Read More HERE…

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A Technical Analysis of CVE-2022-22583 and CVE-2022-32800

This blog entry discusses the technical details of how we exploited CVE-2022-22583 using a different method. We also tackle the technical details of CVE-2022-32800, another SIP-bypass that we discovered more recently, in this report. Read More HERE…

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Detecting Windows AMSI Bypass Techniques

We look into some of the implementations that cybercriminals use to bypass the Windows Antimalware Scan Interface (AMSI) and how security teams can detect threats attempting to abuse it for compromise with Trend Micro Vision One™. Read More HERE…

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Diving into an Old Exploit Chain and Discovering 3 new SIP-Bypass Vulnerabilities

More than two years ago, a researcher, A2nkF demonstrated the exploit chain from root privilege escalation to SIP-Bypass up to arbitrary kernel extension loading. In this blog entry, we will discuss how we discovered 3 more vulnerabilities from the old exploit chain. Read More HERE…

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Ransomware Business Models: Future Pivots and Trends

Ransomware groups and their business models are expected to change from what and how we know it to date. In this blog entry, we summarize from some of our insights the triggers that spark the small changes in the short term (“evolutions”) and the bigger deviations (“revolutions”) they can redirect their criminal enterprises to in the long run. Read More HERE…

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CVE-2019-8561: A Hard-to-Banish PackageKit Framework Vulnerability in macOS

This blog entry details our investigation of CVE-2019-8561, a vulnerability that exists in the macOS PackageKit framework, a component used to install software installer packages (PKG files). Read More HERE…

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Hack the Real Box: APT41’s New Subgroup Earth Longzhi

We looked into the campaigns deployed by a new subgroup of advanced persistent threat (APT) group APT41, Earth Longzhi. This entry breaks down the technical details of the campaigns in full as presented at HITCON PEACE 2022 in August. Read More HERE…

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