Function at 0x40c670
Capabilities:
Get file size
Read file on windows
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x429a28
mov eax, dword fs:[0]
push eax
sub esp, 0x2c
push ebx
push esi
push edi
mov eax, dword [0x43481c]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x10], esp
mov dword [ebp - 0x28], edx
sub esi, esi
push esi
push esi
push 3
push esi
push 1
push 0x80000000
push ecx
sub ebx, ebx
mov dword [ebp - 0x24], esi
mov dword [ebp - 4], esi
call dword [sym.imp.KERNEL32.dll_CreateFileW]
push eax
pop edi
mov dword [ebp - 0x20], edi
or edi, edi
je 0x40c900
cmp edi, 0xffffffff
je 0x40c900
push esi
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [ebp - 0x1c], eax
test eax, eax
je 0x40c900
cmp eax, 0xffffffff
je 0x40c900
mov dword [ebp - 0x38], esi
mov dword [ebp - 0x30], esi
lea ecx, [ebp - 0x11]
push ecx
push eax
push esi
lea eax, [ebp - 0x2c]
mov byte [ebp - 4], 1
push eax
lea ecx, [ebp - 0x38]
mov byte [ebp - 0x11], 0
mov dword [ebp - 0x34], esi
call fcn.00407ab0
mov ebx, dword [ebp - 0x38]
mov eax, dword [ebp - 0x34]
cmp ebx, eax
je 0x40c9a6
sub eax, ebx
mov dword [ebp - 0x2c], eax
cmp eax, dword [ebp - 0x1c]
jne 0x40c9a6
or ebx, ebx
je 0x40c8fe
push esi
lea ecx, [ebp - 0x18]
push ecx
push eax
push ebx
push edi
mov dword [ebp - 0x18], esi
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x40c9ae
mov eax, dword [ebp - 0x1c]
cmp dword [ebp - 0x18], eax
jne 0x40c9ae
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor edi, edi
push 0x10
mov edx, str.eUpx
lea ecx, [ebp - 0x38]
mov dword [ebp - 0x20], edi
call fcn.0040c590
add esp, 4
lea ecx, [ebp - 0x38]
test eax, eax
je 0x40c8f9
push 0x19de0
mov edx, 0x451168
call fcn.0040c590
add esp, 4
lea ecx, [ebp - 0x38]
or eax, eax
je 0x40c8f9
push 0x1ac30
mov edx, 0x436538
call fcn.0040c590
add esp, 4
lea ecx, [ebp - 0x38]
or eax, eax
je 0x40c8f9
push 0x45
mov edx, 0x4363e0
call fcn.0040c590
add esp, 4
lea ecx, [ebp - 0x38]
or eax, eax
je 0x40c8f9
push 0x21
mov edx, 0x4363bc
call fcn.0040c590
add esp, 4
lea ecx, [ebp - 0x38]
test eax, eax
je 0x40c8f9
push 0x35
mov edx, 0x436384
call fcn.0040c590
add esp, 4
lea ecx, [ebp - 0x38]
or eax, eax
je 0x40c8f9
push 0x31
mov edx, 0x436350
call fcn.0040c590
add esp, 4
lea ecx, [ebp - 0x38]
test eax, eax
je 0x40c8f9
push 0x21
mov edx, 0x43632c
call fcn.0040c590
add esp, 4
lea ecx, [ebp - 0x38]
test eax, eax
je 0x40c8f9
push 0x41
mov edx, 0x4362e8
call fcn.0040c590
add esp, 4
lea ecx, [ebp - 0x38]
test eax, eax
je 0x40c8f9
push 0x93
mov edx, 0x436250
call fcn.0040c590
add esp, 4
lea ecx, [ebp - 0x38]
or eax, eax
je 0x40c8f9
push 0x49
mov edx, 0x436200
call fcn.0040c590
add esp, 4
lea ecx, [ebp - 0x38]
test eax, eax
je 0x40c8f9
push 0x1d
mov edx, 0x4361dc
call fcn.0040c590
add esp, 4
lea ecx, [ebp - 0x38]
or eax, eax
je 0x40c8f9
push 0x4b
mov edx, 0x436190
call fcn.0040c590
add esp, 4
lea ecx, [ebp - 0x38]
test eax, eax
je 0x40c8f9
push 0x17
mov edx, 0x436174
call fcn.0040c590
add esp, 4
lea ecx, [ebp - 0x38]
test eax, eax
je 0x40c8f9
push 0x59
mov edx, 0x436118
call fcn.0040c590
add esp, 4
lea ecx, [ebp - 0x38]
or eax, eax
je 0x40c8f9
push 0x23
mov edx, 0x4360f0
call fcn.0040c590
add esp, 4
or eax, eax
jne 0x40c93b
lea ecx, [ebp - 0x38]
call fcn.004079b0
xor ebx, ebx
mov dword [ebp - 4], 0xffffffff
or edi, edi
je 0x40c917
cmp edi, 0xffffffff
je 0x40c917
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
or esi, esi
je 0x40c927
cmp esi, 0xffffffff
je 0x40c927
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
pop eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
push 0
push 0
push 4
push 0
push 0
push 0xc0000000
push dword [ebp - 0x28]
call dword [sym.imp.KERNEL32.dll_CreateFileW]
push eax
pop esi
mov dword [ebp - 0x24], eax
test esi, esi
je 0x40c9ae
cmp esi, 0xffffffff
je 0x40c9ae
push 0
lea eax, [ebp - 0x18]
push eax
push dword [ebp - 0x2c]
push ebx
push esi
call dword [sym.imp.KERNEL32.dll_WriteFile]
or eax, eax
je 0x40c987
mov eax, dword [ebp - 0x1c]
cmp eax, dword [ebp - 0x18]
jne 0x40c987
mov dword [ebp - 0x1c], 1
jmp 0x40c98c
sub eax, eax
mov dword [ebp - 0x1c], eax
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
xor esi, esi
call fcn.0041177f
mov ebx, dword [ebp - 0x1c]
add esp, 4
jmp 0x40c900
or ebx, ebx
je 0x40c8fe
push ebx
call fcn.0041177f
add esp, 4
jmp 0x40c8fe