Function at 0x4a7f58
Capabilities:
Get file size
Read file via mapping

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffdd8
push ebx
push esi
push edi
xor edx, edx
mov dword [ebp - 0x228], edx
mov dword [ebp - 0x220], edx
mov dword [ebp - 0x224], edx
mov dword [ebp - 0x21c], edx
mov esi, eax
xor eax, eax
push ebp
push 0x4a81b8
push dword fs:[eax]
mov dword fs:[eax], esp
xor ebx, ebx
call sub.kernel32.dll_GetVersion
test eax, 0x80000000
jne 0x4a7fcd
push 0x104
lea eax, [ebp - 0x216]
push eax
push esi
call sub.kernel32.dll_GetModuleFileNameW
push 0
push 0
push 3
push 0
push 3
push 0x80000000
lea eax, [ebp - 0x216]
push eax
call sub.kernel32.dll_CreateFileW
mov esi, eax
jmp 0x4a7ffc
push 0x104
lea eax, [ebp - 0x216]
push eax
push esi
call sub.kernel32.dll_GetModuleFileNameA
push 0
push 0
push 3
push 0
push 3
push 0x80000000
lea eax, [ebp - 0x216]
push eax
call sub.kernel32.dll_CreateFileA
mov esi, eax
cmp esi, 0xffffffff
je 0x4a80ba
push 0
push 0
push 0
push 2
push 0
push esi
call sub.kernel32.dll_CreateFileMappingW
mov edi, eax
test edi, edi
je 0x4a80b4
push 0
push 0
push 0
push 4
push edi
call sub.kernel32.dll_MapViewOfFile
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0
je 0x4a80ae
mov eax, dword [ebp - 4]
call fcn.0041c914
test eax, eax
je 0x4a80a5
cmp word [eax + 0x18], 0x20b
jne 0x4a8055
add eax, 0x18
add eax, 0x40
mov dword [ebp - 0xc], eax
jmp 0x4a805b
add eax, 0x58
mov dword [ebp - 0xc], eax
mov eax, dword [ebp - 0xc]
cmp dword [eax], 0
je 0x4a80a5
push 0
push esi
call sub.kernel32.dll_GetFileSize
mov dword [ebp - 8], eax
mov edx, dword [ebp - 0xc]
sub edx, dword [ebp - 4]
xor ecx, ecx
mov eax, dword [ebp - 4]
call fcn.004a7efc
mov ecx, eax
mov eax, dword [ebp - 0xc]
sub eax, dword [ebp - 4]
mov edx, dword [ebp - 8]
sub edx, eax
sub edx, 4
mov eax, dword [ebp - 0xc]
add eax, 4
call fcn.004a7efc
add eax, dword [ebp - 8]
mov edx, dword [ebp - 0xc]
cmp eax, dword [edx]
je 0x4a80a5
mov bl, 1
mov eax, dword [ebp - 4]
push eax
call sub.kernel32.dll_UnmapViewOfFile
push edi
call sub.kernel32.dll_CloseHandle
push esi
call sub.kernel32.dll_CloseHandle
test bl, bl
je 0x4a8184
call sub.kernel32.dll_GetVersion
test eax, 0x80000000
jne 0x4a80fa
push 0x10
push 0
lea edx, [ebp - 0x21c]
mov eax, dword [0x70ffc4]
mov ecx, dword [eax]
call dword [ecx + 0x2a0]
mov eax, dword [ebp - 0x21c]
call fcn.0040abbc
push eax
push 0
call sub.user32.dll_MessageBoxW
jmp 0x4a813a
push 0x10
push 0
lea edx, [ebp - 0x224]
mov eax, dword [0x70ffc4]
mov ecx, dword [eax]
call dword [ecx + 0x2a0]
mov edx, dword [ebp - 0x224]
lea eax, [ebp - 0x220]
mov ecx, 0
call fcn.0040a85c
mov eax, dword [ebp - 0x220]
call fcn.0040a6b0
push eax
push 0
call sub.user32.dll_MessageBoxA
push 0
call sub.kernel32.dll_GetModuleHandleW
cmp eax, dword [0x70f788]
je 0x4a817d
mov eax, 0x70ffc4
call fcn.0040d710
lea edx, [ebp - 0x228]
mov eax, dword [0x70ffc4]
mov ecx, dword [eax]
call dword [ecx + 0x2a0]
mov edx, dword [ebp - 0x228]
mov eax, dword [0x4145dc]
call fcn.00414778
call fcn.00409320
jmp 0x4a8184
push 0
call sub.kernel32.dll_ExitProcess
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4a81bf
lea eax, [ebp - 0x228]
mov edx, 2
call fcn.00409cc0
lea eax, [ebp - 0x220]
call fcn.00409c84
lea eax, [ebp - 0x21c]
call fcn.00409c60
ret