Introduction to ETW

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Thanks Pavel, I’ve been missing your videos! 😊

ek
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Great video, I was trying to learn what ETW is and couldn't really understand it without examples but this video helped me a lot! Thank you :)

rayansec
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Hey Pavel, nice video as always :)

Can I ask you a question about Windows HANDLEs, I am having a bit of trouble with this one :(.
Basically, I want to make a simple handle monitoring application, where I want to have some special functions, like determining an object type from it's HANDLE value.
I am aware that I can use NtQuerySystemInformation with SystemHandleInformation, which gives me a snapshot of all HANDLEs in the system, but it usually takes up several seconds to filter out that list for a specific object just to query a HANDLE's type.
I am basically asking if there is a basic "int getObjectType(HANDLE)" usermode function that I could use for this purpose?

Thanks for your answer in advance, unfortunately I couldn't find anything by myself yet.

itf_phrx
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Μr Pavel, I would like to ask you a question regarding Windows Performance Analyzer. When I select the DPC/ISR Tab to analyze drivers, I can't seem to identify a clear driver related to devices like the keyboard or mouse. Therefore, I'm unable to study the results I've collected for my peripherals. Could you please advise me on what I might be doing wrong or what steps I should take to address this issue?

Alchemytweaks
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One more question related with your document about thread priorities . Is it possible to change the thread priority of a driver ( for instance the ndis.sys ) via registry parameterization or not ?

Alchemytweaks
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is there a way to differentiate between file upload initiated by user instead of file upload one internally by a browser ?
since most of the file upload stuff is done using IFileopenDialog, is it possible to use ETW to check it information?

imnirajan
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Is it possible to query the ETW for the Event fields with logman instead than using ETW explorer?

Misheeification