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kernelmode debugger or VEH debugger, hardware breakpoint

 
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skynet888
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PostPosted: Fri Oct 02, 2026 2:20 am    Post subject: kernelmode debugger or VEH debugger, hardware breakpoint Reply with quote
With CE7.7 kernelmode debugger or VEH debugger, hardware breakpoint set on WS2_32.WSASend does not fire. Other debuggers can hit it normally. Target is a 32-bit process running on Windows 10 1909.

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Dark Byte
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PostPosted: Fri Oct 02, 2026 7:48 am    Post subject: Reply with quote
Does the execution come from a newly created thread ?
There is usually a delay with thread creation and ce setting the hardware breakpoints
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skynet888
!BEWARE! Deletes post on answer
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Joined: 12 Apr 2021
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PostPosted: Sat Oct 03, 2026 2:49 am    Post subject: Reply with quote
Dark Byte wrote:
Does the execution come from a newly created thread ?
There is usually a delay with thread creation and ce setting the hardware breakpoints


Oh, it seems not Cheat Engine's fault this time. The target binary is protected with XXX. It's indeed the packer's anti-debug mechanism. I've got it resolved.This thread can be closed, no further replies needed.
Thanks a ton, DarkByte, legend!!!!!!!!!!
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