On May 27, 2022, the nao_sec independent security research group shared a VirusTotal link to a weaponized Microsoft Office document revealing a previously unknown vulnerability in the Microsoft Support Diagnostic Tool (MSDT). This vulnerability is most likely to be exploited via phishing lure attachments and is triggered when a document is opened.
ThoughtLab’s newly released cybersecurity benchmark study revealed that cybersecurity is at a critical inflection point across industries.
Threats knock on your door all the time. In this research piece, we explore BPFDoor — a backdoor payload specifically crafted for Linux in order to gain re-entry into a previously or actively compromised target environment. This payload has been observed across systems for five years, suggesting that the threat actors responsible for operating the malware have been around for some time and have likely operated undetected in many environments.