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Attempt to fix/hook iphlpapi GetTcpTable()

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alexey.min
2012-02-13 13:31:46 +00:00
parent 11a5bfd4b4
commit 9fe62a4274
6 changed files with 65 additions and 0 deletions
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25
l2detect/net_hook_my.cpp
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@@ -70,6 +70,7 @@ unsigned int Proxied_VirtualProtectEx = 0;
BOOL __stdcall Proxy_VirtualProtectEx( HANDLE hProcess, LPVOID lpAddress, SIZE_T dwSize, DWORD flNewProtect, PDWORD lpflOldProtect );
BOOL __stdcall Call_VirtualProtectEx( HANDLE hProcess, LPVOID lpAddress, SIZE_T dwSize, DWORD flNewProtect, PDWORD lpflOldProtect );
void Hook_InterceptConnect_my()
@@ -623,3 +624,27 @@ __declspec(naked) BOOL __stdcall
__asm mov ebp, esp
__asm jmp Proxied_VirtualProtectEx
}
BOOL __stdcall Call_VirtualProtectEx( HANDLE hProcess, LPVOID lpAddress, SIZE_T dwSize, DWORD flNewProtect, PDWORD lpflOldProtect )
{
BOOL vp_ret = FALSE;
if( Proxied_VirtualProtectEx )
{
log_error( LOG_DEBUG, "Call_VirtualProtectEx(): using proxy...\n" );
vp_ret = Proxy_VirtualProtectEx( hProcess, (void *)connect_orig, 6, flNewProtect, lpflOldProtect );
}
else
{
log_error( LOG_DEBUG, "Call_VirtualProtectEx(): calling real...\n" );
vp_ret = VirtualProtectEx( hProcess, (void *)connect_orig, 6, flNewProtect, lpflOldProtect );
}
if( !vp_ret )
{
DWORD le = GetLastError();
log_error( LOG_ERROR, "Call_VirtualProtectEx(): failed for address 0x%08X (err = 0x%08X (%d))\n",
(unsigned int)lpAddress, le, le );
SetLastError( le );
}
return vp_ret;
}