How to hook win api getsystemtime using VB.NET

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I have a vb.net project have a COM object, but this COM work only with year from 2019. I dont want to change the windows system time, i want using hook instead. Please help me:
How to hook win api kernel32.dll getsystemtime, getlocaltime and change the only for my app

What I have tried:

Setwindowhookex
Callnexthook
unhookwindow

Posted 19-Apr-22 21:57pm

Member 13153643

Updated 19-Apr-22 22:06pm

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Richard Deeming 20-Apr-22 4:14am

Sounds like you're asking us to help you circumvent a licensing restriction on a commercial component. That's the sort of thing that will get you banned from this site.

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Richard MacCutchan · Answer 1 · 2022-04-19T22:06:00

Solution 1

You cannot hook specific Windows system calls, only messages: SetWindowsHookExA function (winuser.h) - Win32 apps | Microsoft Docs[^].

Posted 19-Apr-22 22:06pm

Richard MacCutchan

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CPallini 20-Apr-22 8:02am

5.

Member 13153643 20-Apr-22 21:15pm

Thankyou, Can i using Easyhook to Hook "Kernel32.dll" with function "GetSystemTime". But I don't know to using Easyhook. Can you help me, Thank you

Richard MacCutchan 21-Apr-22 3:45am

No idea, what does the documentation say?

How to hook win api getsystemtime using VB.NET

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How to hook win api getsystemtime using VB.NET

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