Björn Ruytenberg

@0Xiphorus

Security researcher, focusing on hardware, firmware and OS security | thunderspy.io | PhD candidate @vu5ec | @[email protected]

The Netherlands

Björn Ruytenberg
@0Xiphorus
Feb 3
Slides and recordings for our @FOSDEM talks are up! Join an in-depth introduction into @HyperDbg 's features and internals, or find out what's the latest in anti-anti-debugging techniques and HV transparency for malware reversing: fosdem.org/2026/schedule/… fosdem.org/2026/schedule/…
Björn Ruytenberg
@0Xiphorus
Jan 30
Curious about anti-anti-debugging techniques and hiding hypervisors from malware? Or simply looking for an in-depth introduction to @HyperDbg? Join @Intel80x86 and my @fosdem talks tomorrow: fosdem.org/2026/schedule/… fosdem.org/2026/schedule/…
Björn Ruytenberg
@0Xiphorus
Oct 14, 2025
0b6732a0b1f608cfaf48baa926b781dbcb653a9979901788310010719f6f5fd3632d47c09da3446ae461f03e12e421ee e10451e60a858a98a8f3ddb2ec9c414516d404f43299f67d45b0dd9e9c9f14470c13937c13fc2f7d3434758cd88b39fc
Björn Ruytenberg
@0Xiphorus
Jul 23, 2025
We have received reports @HyperDbg's latest release shows unexpected behavior. As it turns out, this is due to a compiler optimization bug in Visual Studio 17.14.8 and 17.14.9. We have pushed a temporary workaround fixing the build. Thanks for reporting! (1/2)
Björn Ruytenberg
@0Xiphorus
Jul 14, 2025
Curious about anti-anti-debugging techniques and hiding hypervisors from malware? Slides are up for ECOOP/DEBT 2025 talk where we present HyperEvade, our upcoming hypervisor transparency extension for @HyperDbg : github.com/HyperDbg/slide… (1/2)