Function at 0x40e780
Capabilities:
Get file size
Parse pe header
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x58
mov eax, dword [0x443040]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
push esi
push edi
mov dword [ebp - 0x50], eax
mov edi, ecx
mov eax, dword [ebp + 0xc]
mov dword [ebp - 0x54], eax
mov eax, dword [ebp + 0x10]
push edi
mov dword [ebp - 0x4c], edx
mov dword [ebp - 0x58], eax
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, 1
je 0x40e7cc
mov eax, 0x1000000
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0040fc87
mov esp, ebp
pop ebp
ret
lea eax, [ebp - 0x48]
push eax
push edi
call dword [sym.imp.KERNEL32.dll_GetFileInformationByHandle]
test eax, eax
jne 0x40e7f1
mov eax, 0x200
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0040fc87
mov esp, ebp
pop ebp
ret
mov ebx, dword [ebp - 0x48]
mov esi, ebx
and esi, 1
mov ecx, esi
or ecx, 2
test bl, 2
cmove ecx, esi
mov edx, ecx
or edx, 4
test bl, 4
cmove edx, ecx
mov ecx, ebx
and ecx, 0x10
mov eax, edx
or eax, 0x10
mov dword [ebp - 0xc], ecx
test ecx, ecx
cmove eax, edx
mov edx, 0x81000000
mov ecx, eax
or ecx, 0x20
test bl, 0x20
mov ebx, 0x41000000
cmove ecx, eax
mov eax, dword [ebp - 0xc]
test eax, eax
cmove ebx, edx
or ebx, ecx
test esi, esi
jne 0x40e855
test eax, eax
mov ebx, 0x41800000
mov edx, 0x81800000
cmove ebx, edx
or ebx, ecx
push 0
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
cmp esi, 0x28
jbe 0x40e902
push 0
push 0
push 0
push edi
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
push 0
lea eax, [ebp - 0x10]
push eax
push 2
lea eax, [ebp - 8]
push eax
push edi
call dword [sym.imp.KERNEL32.dll_ReadFile]
push 0
push 0
push 0x24
push edi
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
push 0
lea eax, [ebp - 0x10]
push eax
push 4
lea eax, [ebp - 0xc]
push eax
push edi
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov eax, 0x54ad
cmp word [ebp - 8], ax
jne 0x40e902
mov ecx, dword [ebp - 0xc]
lea eax, [ecx + 0x34]
cmp esi, eax
jbe 0x40e902
push 0
push 0
push ecx
push edi
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
push 0
lea eax, [ebp - 0x10]
push eax
push 4
lea eax, [ebp - 0x14]
push eax
push edi
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov eax, dword [ebp - 0x14]
cmp eax, 0x5a4d
je 0x40e8fc
cmp eax, 0x454e
je 0x40e8fc
cmp eax, 0x454c
je 0x40e8fc
cmp eax, 0x4550
jne 0x40e902
or ebx, 0x400000
mov eax, dword [ebp - 0x4c]
test eax, eax
je 0x40e90b
mov dword [eax], ebx
mov eax, dword [ebp - 0x50]
test eax, eax
je 0x40e914
mov dword [eax], esi
mov ebx, dword [ebp - 0x54]
test ebx, ebx
je 0x40e950
push dword [ebp - 0x38]
push dword [ebp - 0x3c]
call fcn.0040e6b0
push dword [ebp - 0x30]
mov dword [ebx], eax
push dword [ebp - 0x34]
mov dword [ebx + 4], edx
call fcn.0040e6b0
push dword [ebp - 0x40]
mov dword [ebx + 8], eax
push dword [ebp - 0x44]
mov dword [ebx + 0xc], edx
call fcn.0040e6b0
add esp, 0x18
mov dword [ebx + 0x10], eax
mov dword [ebx + 0x14], edx
mov esi, dword [ebp - 0x58]
test esi, esi
je 0x40e978
lea eax, [ebp - 0xc]
push eax
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 0x34]
push eax
call dword [sym.imp.KERNEL32.dll_FileTimeToDosDateTime]
movzx ecx, word [ebp - 8]
movzx eax, word [ebp - 0xc]
shl ecx, 0x10
or ecx, eax
mov dword [esi], ecx
mov ecx, dword [ebp - 4]
xor eax, eax
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0040fc87
mov esp, ebp
pop ebp
ret