Cristian Done

Security Researcher Keysight Technologies Romania


Cristian Done is a Security Researcher within Keysight’s Application and Threat Intelligence Research Center. Cristian is an eager to learn type of person who like to constantly improve. With a BE in Computer Engineering and a MS in Advanced Cybersecurity, he is in particular interested in cybersecurity, low level programming and algorithms. He spends most of the time investigating recent vulnerabilities and integrating them in Keysight’s security products.

Monitoring malware behavior through kernel syscall tracing

Threat actors implement new methods of evasion constantly. One solution to monitor malicious activity generated by an application is the use of sandboxes. Up until recently, much of a malware’s behavior could be observed via userland hooking of the target process. However, there are more and more techniques that allow one to bypass such hooking mechanisms and hide its true objectives and behavior. Tools such as SysWhispers can be used to perform system call directly and thus avoid the ordinary users-space behavior tracking.  

In order to gain more insight for such use cases we suggest using an alternative method of observing malware behavior by using a kernel driver for Windows based systems. Through this presentation we will an in-depth view of how an individual can create a Windows kernel driver for performing system call tracing on recent versions of windows, running on recent CPUs. 

This presentation is co-presented with Mihai Vasilescu, Security Research Engineer at Keysight Technologies Romania.

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Orange Romania is part of the Orange Group, one of the largest global telecommunications operators that connects hundreds of millions of customers worldwide. With over 11 million local customers and an annual turnover exceeding 1.5 billion euros, Orange Romania connects 1 in 2 Romanians and offers an extensive range of communication solutions for both individual and corporate customers, from basic connectivity services to complete mobile, fixed internet, TV packages, and complex IT&C solutions through Orange Business

Orange Romania is the number 1 operator in terms of network performance, and also holds nine consecutive Top Employer certifications, which confirm that Orange Romania, in addition to the remarkable products and services it offers, pays special attention to its employees and working environment. In the past 3 years Orange has launched two 5G Labs in Bucharest and Iasi, that aim to support researchers, startups and companies to test their 5G solutions in advance. 

In addition, Orange is a long-term supporter of the startup ecosystem through the Orange Fab accelerator program designed to support entrepreneurs in the development of innovative products and their distribution locally and internationally.

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