Thibault Seret is a Security Researcher on the McAfee Advanced Threat Research team (McAfee ATR). He is currently focusing on ransomware analysis and research, reverse engineering and threat intelligence, and trying to fight against bad guys. Before joining ATR, he worked as a Cybercrime analyst in a banking institution with the mission to improve the digital forensics department, and as a CERT analyst on an IT services company where he tried to save the world with his teammate. He participates a lot in the security community and CTF competitions and is a teacher for the new generation of cyber defenders. For the Alliance !

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McAfee Labs

McAfee ATR Threat Report: A Quick Primer on Cuba Ransomware

Executive Summary  Cuba ransomware is an older ransomware, that has recently undergone some development. The actors have incorporated the leaking of victim data to increase its impact and revenue, much like we have seen recently with other major ransomware campaigns.  In our analysis, we observed that the attackers had access to the network before the infection and were ...

McAfee Labs

Operation Diànxùn: Cyberespionage Campaign Targeting Telecommunication Companies

In this report the McAfee Advanced Threat Research (ATR) Strategic Intelligence team details an espionage campaign, targeting telecommunication companies, dubbed Operation Diànxùn. In this attack, we discovered malware using similar tactics, techniques and procedures (TTPs) to those observed in earlier campaigns publicly attributed to the threat actors RedDelta and Mustang ...

McAfee Labs

Babuk Ransomware

Executive Summary Babuk ransomware is a new ransomware threat discovered in 2021 that has impacted at least five big enterprises, with one already paying the criminals $85,000 after negotiations. As with other variants, this ransomware is deployed in the network of enterprises that the criminals carefully target and compromise. Using ...

McAfee Labs

McAfee Defender’s Blog: NetWalker

Building Adaptable Security Architecture Against NetWalker NetWalker Overview The NetWalker ransomware, initially known as Mailto, was first detected in August 2019. Since then, new variants were discovered throughout 2019 and the beginning of 2020, with a strong uptick noticed in March of this year. NetWalker has noticeably evolved to a ...

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