ZecOps Research Team

NTFS Remote Code Execution

NTFS Remote Code Execution (CVE-2020-17096) Analysis

This is an analysis of the CVE-2020-17096 vulnerability published by Microsoft on December 12, 2020. The remote code execution vulnerability assessed with Exploitation: “More Likely”,  grabbed our attention among the last Patch Tuesday fixes. Diffing ntfs.sys Comparing the patched driver to the unpatched version with BinDiff, we saw that there’s only one changed function, NtfsOffloadRead. …

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Remote iOS Attacks Targeting Journalists: More Than One Threat Actor?

ZecOps is proud to share that we detected multiple exploits by the threat actors that recently targeted Aljazeera’s journalists before it was made public. The attack detection was automatically detected using ZecOps Mobile DFIR. In this blog post, we’ll share our analysis of the post-exploitation kernel panics observed on one of the targeted devices. Key …

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exploitable bug on Microsoft Teams

Crash Analysis Series: An exploitable bug on Microsoft Teams ?! A Tale of One Bit

This is a story about a Microsoft Teams crash that we investigated recently. At first glance, it looked like a possible arbitrary code execution vulnerability, but after diving deeper we realized that there’s another explanation for the crash. TLDR; ZecOps ingested and analyzed an event that seems exploitable on a Windows machine from Microsoft Teams …

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Running code in the context of iOS Kernel: Part I + LPE POC on iOS 13.7

Abstract.  Due to its popularity, iOS has attracted the attention of a large number of security researchers.  Apple is constantly improving iOS security, develops and adapts new mitigations at a rapid pace. In terms of the effectiveness of mitigation measures, Apple increases the complexity of hacking iOS devices making it one of the hardest platforms …

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