Malicious RVTools Installer Uses Sectigo Cert to Evade SmartScreen

A malicious fake RVTools installer is abusing a legitimately issued Sectigo code‑signing certificate to slip past Microsoft Defender SmartScreen and many endpoint controls, ultimately deploying a multi‑stage Python‑based RAT with deep AD reconnaissance and persistent C2 access. For VMware‑heavy environments, compromise of an administrator via this vector can effectively hand over domain‑level control to the […]

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