netapi32.dll - searching for certain instruction

I'm trying to figure out how the Unhandled Exception Filter heap overflow works. I pretty much know what is supposed to happen, but I need to find the instruction开发者_如何学Go "call dword ptr[edi+0x78]" in netapi32.dll.

Can you help me find that instruction. I tried to use ollydbg, I Loaded the netapi32.dll and searched for a command, then inputted "call dword ptr[edi+0x78]", but nothing.

Is there more effective way for searching such instructions?

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The problem with ollydbg is that whenever searching for a command you have to type exactly as the debugger presents the command (no regular expressions allowed). This is the line that I used:

call dword ptr ds:[edi+78]

it works now.