Log in

View Full Version : Problem with Debug>Call Dll Export


bohlinger
February 22nd, 2005, 02:55
Hello all,
I'm a new OllyDbg user and I want first to thank the author of this application for his contribution.
My goal is to have a better understanding of assembler language.
However, difficulties soon arise when I use Ollydbg to analyse a dll I'm interested in.
Loading this dll makes the expected prompt "Windows can't execute...." to pop up.
I push the yes button.
Then selecting: Debug>Call Dll Export fails to make the dialog pop up to appear.
I'm then unable to give either an entry point or arguments values.

Before mailing to this forum, I tried the short tutorial with user32.dll given as an example. In this case, all seems to work fine.

I use OllyDbg v1.10 under Windows Xp Pro (SP1)

Thank you for your help.
Best regards,
C Bohlinger

blabberer
February 22nd, 2005, 03:05
after pushing the yes button
olly stops at the dllEntryPoint
it does not run automatically you will see a paused in the status bar
that is to give you a chance to examine the dll entry function which
normally gets executed whenever you load a dll
at that time the debug-->call dll export wont be working

you have to either single step and examine the DllEntryPoint() and then run the dll or directly press f9 and run the dll ( the yellow pause will change to running) only after that you should look for dll export

bohlinger
February 22nd, 2005, 06:24
You could'nt be more precise.
It works as expected.
Thank you for your help.