Function at 0x437220
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5062f5
mov eax, dword fs:[0]
push eax
sub esp, 0x20
push ebx
push esi
push edi
mov eax, dword [0x569080]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov eax, dword [ebp + 8]
push 0
push 0x80
push 3
push 0
push 0
push SysReAllocString
push dword [eax]
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebx, eax
mov dword [ebp - 0x2c], 0x5305e4
mov dword [ebp - 0x24], ebx
mov dword [ebp - 0x28], ebx
mov dword [ebp - 4], 0
cmp ebx, 0xffffffff
jne 0x43728d
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov edi, eax
jmp 0x437551
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov edi, eax
cmp edi, 0xffffffff
jne 0x4372aa
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov edi, eax
jmp 0x437551
mov dword [ebp - 0x18], 0
mov byte [ebp - 4], 1
lea eax, [edi + 1]
push eax
lea ecx, [ebp - 0x18]
call fcn.00408a70
mov esi, dword [ebp - 0x18]
test al, al
jne 0x4372d2
mov edi, 8
jmp 0x43753d
push 0
lea eax, [ebp - 0x10]
mov dword [ebp - 0x10], 0
push eax
push edi
push esi
push ebx
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x4372f9
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov edi, eax
jmp 0x43753d
mov ebx, dword [ebp + 0x10]
mov ecx, ebx
call fcn.004037a0
mov eax, dword [ebp - 0x10]
test eax, eax
je 0x437538
mov edi, dword [ebp + 0xc]
mov byte [eax + esi], 0
push str.utf_8
push dword [edi]
call fcn.004ddab3
add esp, 8
test eax, eax
jne 0x437332
push 0xfde9
jmp 0x43752c
push str.utf_16
push dword [edi]
call fcn.004ddab3
add esp, 8
test eax, eax
jne 0x437419
mov ebx, dword [ebp - 0x10]
shr ebx, 1
call fcn.004047f0
mov dword [ebp - 0x1c], eax
test eax, eax
je 0x43758c
test esi, esi
jne 0x43736a
test ebx, ebx
jne 0x437596
mov eax, dword [eax]
push 2
push ebx
mov edi, dword [eax]
mov ecx, edi
call dword [0x525578]
mov ecx, dword [ebp - 0x1c]
call edi
mov edi, eax
mov dword [ebp - 0x14], edi
test edi, edi
je 0x437587
lea eax, [edi + 0x10]
mov dword [ebp - 0x1c], eax
cmp ebx, dword [eax - 8]
jg 0x437596
mov dword [eax - 0xc], ebx
xor ecx, ecx
add ebx, ebx
mov word [ebx + eax], cx
test ebx, ebx
je 0x4373d9
push ebx
test esi, esi
je 0x4373ba
push esi
push eax
call fcn.004d5880
add esp, 0xc
jmp 0x4373d9
push 0
push eax
call fcn.004d5e00
add esp, 0xc
test esi, esi
jne 0x4373d9
call fcn.004d929d
mov dword [eax], 0x16
call fcn.004d919f
mov byte [ebp - 4], 3
lea eax, [ebp - 0x1c]
mov ecx, dword [ebp + 0x10]
push eax
call fcn.00409df0
mov byte [ebp - 4], 1
or eax, 0xffffffff
lock xadd dword [edi + 0xc], eax
dec eax
test eax, eax
jg 0x437538
mov ebx, dword [edi]
push dword [ebp - 0x14]
mov eax, dword [ebx]
mov edi, dword [eax + 4]
mov ecx, edi
call dword [0x525578]
mov ecx, ebx
call edi
jmp 0x437538
push str.ISO_8859_1
push dword [edi]
call fcn.004ddab3
add esp, 8
test eax, eax
jne 0x437436
push 0x6faf
jmp 0x43752c
push str.US_ASCII
push dword [edi]
call fcn.004ddab3
add esp, 8
test eax, eax
jne 0x43752a
mov eax, dword [ebp - 0x10]
mov dword [ebp - 0x1c], eax
call fcn.004047f0
mov dword [ebp - 0x14], eax
test eax, eax
je 0x43758c
mov eax, dword [eax]
mov edi, dword [eax + 0xc]
mov ecx, edi
call dword [0x525578]
mov ecx, dword [ebp - 0x14]
call edi
mov dword [ebp - 0x20], eax
lea edi, [eax + 0x10]
mov dword [ebp - 0x14], edi
mov byte [ebp - 4], 5
mov eax, dword [ebp - 0x1c]
test eax, eax
jle 0x4374f1
test esi, esi
je 0x437596
push 0
push 0
push eax
push esi
push 0
push 3
call dword [sym.imp.KERNEL32.dll_MultiByteToWideChar]
mov ebx, eax
test ebx, ebx
js 0x437596
mov ecx, dword [ebp - 0x20]
mov edx, 1
sub edx, dword [ecx + 0xc]
mov ecx, dword [ecx + 8]
sub ecx, ebx
or ecx, edx
jge 0x4374cb
push ebx
lea ecx, [ebp - 0x14]
call fcn.004025f0
mov edi, dword [ebp - 0x14]
mov eax, dword [ebp - 0x1c]
push ebx
push edi
push eax
push esi
push 0
push 3
call dword [sym.imp.KERNEL32.dll_MultiByteToWideChar]
cmp ebx, dword [edi - 8]
jg 0x437596
mov dword [edi - 0xc], ebx
xor eax, eax
mov word [edi + ebx*2], ax
mov ebx, dword [ebp + 0x10]
mov byte [ebp - 4], 6
lea eax, [ebp - 0x14]
push eax
mov ecx, ebx
call fcn.00409df0
mov byte [ebp - 4], 1
lea ecx, [edi - 0x10]
or eax, 0xffffffff
lock xadd dword [ecx + 0xc], eax
dec eax
test eax, eax
jg 0x437538
mov ebx, dword [ecx]
push ecx
mov eax, dword [ebx]
mov edi, dword [eax + 4]
mov ecx, edi
call dword [0x525578]
mov ecx, ebx
call edi
jmp 0x437538
push 0
mov edx, ebx
mov ecx, esi
call fcn.0040e190
add esp, 4
mov ebx, dword [ebp - 0x24]
xor edi, edi
mov byte [ebp - 4], 0
push esi
call fcn.004d4092
add esp, 4
mov dword [ebp - 0x18], 0
mov dword [ebp - 4], 0xffffffff
mov dword [ebp - 0x2c], 0x5305e4
test ebx, ebx
je 0x437571
push ebx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [ebp - 0x28], 0
mov eax, edi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
call fcn.004027f0
push 0x80004005
call fcn.004027d0
push 0x80070057
call fcn.004027d0
int3