Analysis of the Russian-Speaking Threat Actor NoName 057(16)
The report analyzes the threat actor NoName057(16). Yarix Cyber Threat Intelligence (YCTI) team has tracked the activities of this cyber-collective from its creation (early March 2022) until the month of September 2022. From the findings and the evidence collected, NoName057(16) is a Russian-speaking threat actor, whose actions are driven by ideological and political grounds, namely:...
Plug n Panda – APT Group
“Plug N Panda” group (the name that has been chosen by Yarix R&D) is a newly observed group characterized by the use of Ransomware DLL sideloading (PlugX – Talisman) techniques to cover his tracks after carrying an attack and it is believed to originate from China. This APT was first observed in the first months of...
Analysis of a Command Injection in VBScript
In this writeup we present the analysis and exploitation of a VBScript command injection vulnerability we stumbled upon during a penetration test on a .NET web application. What makes this vulnerability stand out is the fact that at first glance it could be mistaken for a common SQL injection. After a few exploitation attempts, we...
OverIT framework XSLT Injection and XXE – CVE-2022-22834 & CVE-2022-22835
During a penetration test activity, two vulnerabilities were discovered on a specific functionality called “Test Trasformazione xsl” whose purpose is to test the correct operation of the XSLT Java engine. This functionality is part of the set of tools available within the Geocall-Framework and it is not active by default. Advisory - CVE-2022-22834 OverIT projects based on...
Merry Hackmas: multiple vulnerabilities in MSI’s products
This blog post serves as an advisory for a couple MSI’s products that are affected by multiple high-severity vulnerabilities in the driver components they are shipped with. All the vulnerabilities are triggered by sending specific IOCTL requests and will allow to: Directly interact with physical memory via the MmMapIoSpace function call, mapping physical memory into a...
Driver Buddy Reloaded
As part of Yarix's continuous security research journey, during this year I’ve spent a good amount of time reverse-engineering Windows drivers and exploiting kernel-mode related vulnerabilities. While in the past there were (as far as I know), at least two good IDA plugins aiding in the reverse engineering process: DriverBuddy of NCC Group. win_driver_plugin of F-Secure. unfortunately,...
Crucial’s MOD Utility LPE – CVE-2021-41285
Crucial Ballistix MOD Utility is a software product that can be used to customize and control gaming systems, specifically LED colours and patterns, memory, temperature, and overclock.During my vulnerability research, I’ve discovered that this software utilizes a driver, MODAPI.sys, containing multiple vulnerabilities and allowing an attacker to achieve local privilege escalation from a low privileged...
Homemade Fuzzing Platform Recipe
It’s no secret that, since the beginning of the year, I’ve spent a good amount of time learning how to fuzz different Windows software, triaging crashes, filling CVE forms, writing harnesses and custom tools to aid in the process.Today I would like to sneak peek into my high-level process of designing a Homemade Fuzzing Platform,...