Tetrane's BLOG
Detecting Use-After-Free vulnerabilities using REVEN
15 Dec 2020
by
Louis
,Quentin
and Benoit
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REVEN
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Use After Free
Reverse Engineering
Vulnerability Detection
Analysis API
Taint
REVEN
Tetrane’s Timeless Debugging and Analysis (TDnA) allows to capture a time slice of the execution of a system (CPU, Memory, Hardware Events) and provides some powerful analysis features that speed up and scale the reverse engineering process. It can be combined with various fuzzing approaches that will drive the discovery...
Profiling Windows execution with system timeless analysis
An unused system is not a suspended system! Discover in this article how we measured some Windows 10 background activity with timeless analysis in various configurations. The multiple applications of system-wide timeless analysis range from the obvious, like “a debugger you don’t have to restart all the time”, the less...
Buffer overflow exploitation in Quick Player 1.3 (unicode & SEH)
In this article, we will talk about the exploitation of a buffer overflow in Quick Player 1.3 leading to an arbitrary code execution, and how we fixed an already existing exploit using REVEN. We will first present the exploit, then explain why it did not work at first, and how...
Announcing REVEN version 2.6
Tetrane is pleased to announce that the release of REVEN 2.6 Enterprise and Professional is available. 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...
Interactive write-ups with REVEN and Jupyter
OK, so you just recorded this nice trace of the latest malware-of-the-week, great! You went around the timeline in Axion, did some symbol search, it all looks very promising. Time to dive into the depths of the analysis… What was the name of that function again? The one that’s probably...
Timeless Full-System analysis with REVEN and WinDbg
REVEN 2.5 introduced a new integration between REVEN and Microsoft WinDbg. This integration brings WinDbg and REVEN closer together, allowing you to access a REVEN trace as if it were a live VM and benefit from REVEN’s full-system timeless analysis and full-fledged scripting API, together with WinDbg’s familiar debugger interface....
Getting ready for analysis with REVEN (3/3): Finalizing the Workflow
This video article is part of a series on virtual machine configuration for use with REVEN: Importing a VM Lightening the VM for more efficient scenario recording Finalizing the configuration workflow (this article) Today’s video contains the last, but not least steps required in the configuration of a VM for...
Getting ready for analysis with REVEN (2/3): Lightening of the VM
This video article is part of a series on virtual machine configuration for use with REVEN: Importing a VM Lightening the VM for more efficient scenario recording (this article) Finalizing the configuration workflow Today’s video is about an unsuspected, yet very important step in the VM configuration process: VM lightening...
Getting ready for analysis with REVEN (1/3): Importing a new VM
Among all RE tasks, setting up the environment is a tedious, but necessary step. With the recent release of REVEN 2.5, getting up to start with your first scenario is now easier than ever! This series of video articles will guide you through the process of configuring a virtual machine...
Tracing network data back to encryption
In this video, we demonstrate how REVEN makes it possible to connect data sent through the network with the code that generated it beforehand. In our case, this reveals a decryption routine in a malware. The first step is to reconstruct a usable PCAP file from the trace to explore...
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