Nevertheless, both pieces of malware have a modular structure, and they could be re-configured remotely from a Command and Control server to include virtually any kind of functionality. Our findings led to the hypothesis that Duqu was probably created by the same people who developed Stuxnet, but with a different purpose: unlike Stuxnet, whose mission was to attack industrial equipment, Duqu was an information stealer rootkit. We named the new malware Duqu, and we carried out its first analysis.

During the investigation, we discovered a new malware that was unknown to all mainstream anti-virus products, however, it showed striking similarities to the infamous Stuxnet worm. It all began in September 2011, when a European company sought our help to investigate a security incident that happened in their IT system. We are probably best known about our contributions to the discovery, naming, and analysis of the Duqu malware. C0r3dump is a younger, but an equally enthusiastic team achieving nice results at different CTFs. !SpamAndHex won iCTF 2014, the largest CTF organized specifically for universities, and it was among the 15 teams that qualified for the DEFCON CTF Finals, the most prestigious professional CTF in the world, in 2015, 2016, and 2017. Both teams have grown out from the CrySyS Student Core and became one of the best CTF teams in the world. Members of the !SpamAndHex and c0r3dump hacker teams are also part of our Alumni Network. Boldizsár Bencsáth, Assistant Professor in the CrySyS Lab, BME István Zsolt Berta, Business Information Security Officer at Citi, Hungary Péter Schaffer, IT Security Advisor at EY, Luxemburg Gergely Ács, Assistant Professor in the CrySyS Lab, BME László Dóra, CEO of Mongu and senior security engineer at Ukatemi Technologies Amit Dvir, Senior Lecturer at the Ariel Cyber Innovation Center (ACIC), Ariel University, Israel Tamás Holczer, Assistant Professor in the CrySyS Lab, BME Vinh Thong Ta, Lecturer in Computing at the University of Central Lancashire, UK Áron Lászka, Assistant Professor at the University of Texas, Houston, USA Máté Horváth, researcher at University of Wuppertal, Germany Dorottya Futóné Papp, Assistant Professor in the CrySyS Lab, BME Szilvia Lestyán, researcher at INRIA, France

The following PhD graduates are distinguished alumni who received the CrySyS Steel Ring which has the lab logo and the date of graduation graved in it: The CrySyS Alumni Network consists of those 100+ persons who did their diploma or PhD projects in the CrySyS Lab. Need more information? Read our paper, or contact András Gazdag or Levente Buttyán. Interested to become a Core member? Prove your talent by scoring high at the next CrySyS Security Challenge (organized in the spring semester every year) or impress us in your semester project! If you don't feel qualified yet, but want to invest some work to get better, then join our IT Security Bootcamp! The CrySyS Student Core also plays a key role in the talent management program of the CrySyS Lab, including the creation of challenges for the annual CrySyS Security Challenge. Core members meet once a week to expand their knowledge by discussing specific topics in system and network security, to prepare for CTF competitions, to socialize, and to have fun by spending time with other geeks of similar interest. The CrySyS Student Core is an invite-only group of talented students who expressed strong interest in the field of IT security.

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