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easyperf.net | ||
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thume.ca
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lwn.net
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| | | | | Last branch records (LBRs) are hardware registers on Intel CPUs that allow sampling branches. [...] | |
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prog.world
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| | | | | [AI summary] The article discusses the use of Intel Processor Trace (PT) technology to capture code traces from the System Management Mode (SMM) in a computer's BIOS. The authors detail the process of creating a backdoor to access SMM, modifying the SMI dispatcher to redirect execution to a custom shellcode, and using tools like WinIPT and ptxed to analyze the trace data. They also mention challenges such as synchronization issues and the need for cross-platform compatibility, and conclude that this method provides an efficient way to investigate SMM code for vulnerabilities. | |
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thinkingeek.com
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| | | In my day job sometimes I need to edit documents using tools that are only available on Windows. As such, I have a virtual machine with Windows 10 running on VirtualBox. Recently I upgraded to Debian 13 and I took the opportunity to migrate to a libvirt-based solution. I explain here the steps that I followed. | ||
