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August 23, 2022

XCSSET Malware Update | macOS Threat Actors Prepare for Life Without Python

New domains and new behavioral indicators, but malware authors stick to tried and tested architecture despite Apple’s updates.

Vulnerability in Linux containers – investigation and mitigation

Operating system access controls, that constrain which programs can open which files, have existed for almost as long as computers themselves. Access controls are still widely used and are more flexible and efficient when compared to cryptographically protecting files. Despite the long history, ther

Break me out of sandbox in old pipe - CVE-2022-22715 Windows Dirty Pipe

In February 2022, Microsoft patched the vulnerability I used in TianfuCup 2021 for escaping Adobe Reader sandbox, assigned CVE-2022-22715. The vulnerability existed in Named Pipe File System nearly 10 years since the AppContainer was born. We called it "Windows Dirty Pipe".
In this article, I will share the root cause and exploitation of Windows Dirty Pipe. So let's start our journey.