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API hooking
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oib111
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PostPosted: Tue May 20, 2008 8:52 am    Post subject: Reply with quote
Couldn't someone have said that in the first place xD. So it wouldn't be +4 it would be -5?
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jackyyll
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Joined: 28 Jan 2008
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PostPosted: Tue May 20, 2008 11:35 am    Post subject: Reply with quote
Well if you're planning on hooking the windows API, the detours library is very nice Smile http://research.microsoft.com/sn/detours/
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tombana
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Joined: 14 Jun 2007
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PostPosted: Tue May 20, 2008 12:18 pm    Post subject: Reply with quote
Is there also another byte (instead of 0xE9) that takes an address as parameter, instead of a relative address to the address of the jump?

EDIT: I found 0xEA takes the real address instead of the address minus the current address. But it also takes another parameter of which I don't know what it means. In Olly:
Code:

0040105E       EA EFBEADDE 3412      JMP FAR 1234:DEADBEEF                     

As you can see it takes the real address, but I don't know what's up with the thing before the colon.
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