[原创]旧书重温：0day2[4]动态获取函数地址
发表于:
2013-12-13 13:31
[原创]旧书重温：0day2[4]动态获取函数地址
#include "stdafx.h"
#include <stdio.h>
#include <windows.h>
DWORD GetHash(char *fname)
{
printf("%s",fname);
DWORD dret = 0;
while(*fname)
{
dret = ((dret<<25)|(dret>>7));
dret += *fname;
fname++;
}
printf(" function`s hash is %.8x\n",dret);
return dret;
}
int main(int argc, char* argv[])
{
//char fname[]={"MessageBoxA"};
//DWORD dret = GetHash(fname);
Gethash("ExitProcess");
GetHash("MessageBoxA");
GetHash("LoadLibraryA");
GetHash("GetProcAddress");
return 0;
}
MessageBoxA function`s hash is 1e380a6a
ExitProcess function`s hash is 4fd18963
LoadLibraryA function`s hash is 0c917432
GetProcAddress function`s hash is bbafdf85
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