flat assembler - SIDT — Store Interrupt Descriptor Table Register

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SC0U7

Joined: 20 Feb 2018
Posts: 23

SC0U7

Hello today i read a article about SIDT register and i trying
this example code but without sucess.

Code:

sidt    fword ptr [eax] 
mov     al, [eax+5]         
cmp     al, 0FFh            
jnz     short loc_401E19

Now my questions is How to i can use SIDT instrcution in Fasm?

Code:

 sidt    fword ptr [eax]

Or is here any alternative? Thanks for reply

21 Mar 2018, 10:07

revolution
When all else fails, read the source

Joined: 24 Aug 2004
Posts: 17662
Location: In your JS exploiting you and your system

revolution

Code:

sidt fword[eax]

fasm doesn't use ptr

21 Mar 2018, 10:49

SC0U7

Joined: 20 Feb 2018
Posts: 23

SC0U7

Thanks revolution your helping me like Jesus Very Happy

can i ask you for helping me next problem? i googlit everywhere how to i can do WMI query but without solution i need read a cpu temperature have you some ideas how to do that?

21 Mar 2018, 11:17

revolution
When all else fails, read the source

Joined: 24 Aug 2004
Posts: 17662
Location: In your JS exploiting you and your system

revolution

SC0U7 wrote:

i googlit everywhere how to i can do WMI query but without solution i need read a cpu temperature have you some ideas how to do that?

I have found the WMI thing to be unreliable. Some systems will show the actual temperature, while other systems will show a static value that was read once at start-up.

You might want to explore the IOCTL (or is it IOCTRL?) options available. They probably aren't portable though, so each system will require specific code to work correctly.

21 Mar 2018, 12:42

SC0U7

Joined: 20 Feb 2018
Posts: 23

SC0U7

Thanks but i cant find any examples for IOCTL and this is kernel driver only ? Is possible make it like exe file?

21 Mar 2018, 13:19

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