Stealth Boot Bus Extender service key with :changelist Args (BTR.sys SCM-bypass)

Duo Tech@duotech

•updated Aug 21, 2026•5•1•14

Flags direct registry staging of a Boot Bus Extender service (SERVICE_SYSTEM_START) whose Args value contains ':changelist', bypassing the Service Control Manager, where the driver image lies outside the Defender platform folder or uses a randomized 8-character filename — the SCM-bypass pattern used to stage BTR.sys for boot-time or immediate execution.