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you are right, there's not a lot of job in this case, only if you can make a generic add new section program that adds the func to execute the hook.
can you make this?
if the answer is yes then you can make a generic tool that patch ALL the CRC checks.
Even if you can call a DLL func without parameters (like void func() then you can use the generic hook DLL from validtec like I posted some time ago and you can HOOK ANY API FUNC in the program. (for example getwindowsdate for trial, or get windows title to avoid olly debug, or createfile to avoid SICE too,etc...)
I worked in a project to change entry point to redirect to my func last year, but I did not think in this possibility, can be a cool tool...
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