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Re: Api hooking papers ?
From: Nicolas RUFF <nicolas.ruff () edelweb fr>
Date: Wed, 05 Jan 2005 20:03:14 +0100
Well I want to hook winsock (send and receive ), maybe my aproach is wrong please correct me (???) :> Or at least i wanna try :> I need so I can compress and decompress the data before it is sent or received and it is for a project (student), or maybe for a diploma work :>
Hooking Winsock API is not the easiest thing to do as a diploma work, because all function addresses are hardcoded and checked on startup ...
Exemple :On Windows XP SP2, download the debug symbols for ws2_32.dll and look for CheckForHookersOrChainers(). This function will match GetProcAddress() results against all functions defined in the apfns[] array ...
Good luck ! - Nicolas RUFF ----------------------------------- Security Consultant EdelWeb (http://www.edelweb.fr/) Mail : nicolas.ruff (at) edelweb.fr ----------------------------------- _______________________________________________ Dailydave mailing list Dailydave () lists immunitysec com https://lists.immunitysec.com/mailman/listinfo/dailydave
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