7 posts in archive

CVE-2019-1347: When a mouse over a file is enough to crash your system

12 Nov 2019 by Luc - Technical - Reven Reverse Engineering PE Parsing CVE Taint Kernel PTE

CVE-2019-1347 is a vulnerability disclosed in october 2019 by Mateusz @j00ru Jurczyk in the Windows relocation mechanism when parsing a PE file. By simply placing your mouse cursor over the Proof of Concept file, a Blue Screen Of Death is triggered. We thought the original description could be positively completed...

REVEN 2.2: Python API, Automatic Recording, and more

12 Sep 2019 by Louis - Technical - Reven Releases Announcement Automation Analysis API Workflow API

Tetrane is happy to announce the recent release of REVEN 2.2. REVEN is an automated Reverse Engineering Platform designed to go x10 faster & x10 deeper using Timeless Analysis. Technically, REVEN captures a time slice of a full system execution (CPU, Memory, Hardware events) to provide unique analysis features that...

Analysis of the Uroburos malware with REVEN

12 Jun 2019 by Luc and Mathieu - Technical - Reverse Engineering Malware Analysis Windows Kernel Demo Reven

In this post, we present how Timeless Analysis can be used to analyze a few mechanisms of a Uroburos recent version. We use REVEN and its integration with Volatility and IDA to detect indicators of compromise, analyze the dropping mechanisms and circumvent tricks the malware uses to hide itself. The...

Windows boot from UEFI to kernel

20 May 2019 by Mathieu - Technical - Reverse Engineering Windows Kernel Windows boot UEFI Demo Reven

Getting full visibility into the Windows 10 OS’ boot mechanisms is challenging. REVEN opens up a new world of possibilities with its timeless analysis technology! We used REVEN to record the Windows OS’ boot process, all the way from before the UEFI firmware transfers control to the boot process, to...

Full visibility of a Windows Kernel Bug with Timeless Analysis (CVE-2018-8410)

26 Mar 2019 by Mathieu - Technical - Reverse Engineering Windows Kernel Scripts CVE Demo Reven

One of the situations where REVEN (aka Tetrane) really shines is digging into undocumented kernel mechanisms, especially in cases where WinDBG abstracts information away from the user. In the following video, we will analyze a reference counting bug in the Windows Kernel (CVE-2018-8410 published by Google Project Zero) and try...

Updated Analysis of PatchGuard on Microsoft Windows 10 RS4

08 Mar 2019 by Luc - Technical - Reverse Engineering PatchGuard Exploit

Since Windows 64b, PatchGuard has been of great interest in Windows security. In this white-paper, you will access our research done using REVEN v2. For most iterations of its development, several people have analyzed its main mechanisms and internals which, many times, led to a functional bypass. Researchers seem to...

Analysis of VLC Exploit Arbitrary Code Execution (CVE-2018-11529)

06 Mar 2019 by Mathieu - Technical - Reverse Engineering CVE Demo Reven

This is the analysis of VLC Exploit Arbitrary Code Execution (CVE-2018-11529) done REVEN v2. It leverages our timeless analysis technology and several key features: Data Tainting Memory History Backtrace etc.