Function at 0x404505
Capabilities:
Get file size
Read file on windows

Disassembly:
push ecx
push ecx
push ebx
push ebp
push esi
push edi
push dword [0x52073c]
xor ebp, ebp
call fcn.00417b88
mov ebx, eax
call fcn.004043ad
mov esi, dword [esp + 0x1c]
test esi, esi
jne 0x40452c
mov esi, 0x4cd1c4
mov edi, dword [sym.imp.KERNEL32.dll_CreateFileW]
xor eax, eax
push eax
push 0x80
push 3
push eax
push 1
push 0xc0000000
push esi
mov dword [ebx + 0xc], eax
call edi
mov dword [ebx], eax
cmp eax, 0xffffffff
jne 0x404594
push 0
push 0x80
push 3
push 0
push 1
push accept
push esi
call edi
mov dword [ebx], eax
cmp eax, 0xffffffff
jne 0x404584
push 0
push 0x80
push 3
push 0
push 3
push accept
push esi
call edi
mov dword [ebx], eax
mov dword [ebx + 0xc], 1
cmp eax, 0xffffffff
je 0x404856
push 0
push eax
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp dword [esp + 0x24], 2
mov edi, eax
jne 0x4045ad
mov eax, 0xfde9
jmp 0x4045af
xor eax, eax
mov dword [ebx + 0x18], eax
mov eax, dword [esp + 0x20]
mov esi, dword [sym.imp.KERNEL32.dll_ReadFile]
mov dword [ebx + 0x2c], eax
cmp edi, 3
jl 0x404607
push 0
lea eax, [esp + 0x18]
push eax
push 3
lea eax, [esp + 0x1c]
push eax
push dword [ebx]
call esi
cmp dword [esp + 0x14], 3
jne 0x4046c0
push 3
lea eax, [esp + 0x14]
push 0x4bd2f0
push eax
call fcn.00419742
add esp, 0xc
test eax, eax
jne 0x4046c0
mov dword [ebx + 0x18], 0xfde9
sub edi, 3
test edi, edi
jle 0x4046f0
lea eax, [edi + 2]
xor ecx, ecx
push eax
push ecx
push dword [0x4e8c1c]
cmp dword [ebx + 0x18], ecx
jne 0x4046d2
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov esi, eax
mov dword [esp + 0x20], esi
test esi, esi
je 0x4046f0
lea eax, [edi*4 + 2]
push eax
push 0
push dword [0x4e8c1c]
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov dword [ebx + 0x10], eax
test eax, eax
je 0x4046f0
push 0
lea eax, [esp + 0x18]
push eax
push edi
push esi
push dword [ebx]
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov eax, dword [esp + 0x14]
push esi
mov byte [esi + eax], 0
call fcn.0041b060
mov edi, eax
push edi
call fcn.0041b0e0
mov esi, eax
push esi
push dword [ebx + 0x10]
call fcn.0041adc0
pop ecx
pop ecx
push esi
call fcn.0041afe0
push edi
call fcn.0041afe0
push dword [ebx + 0x10]
call fcn.0041aec0
pop ecx
push dword [esp + 0x20]
mov dword [ebx + 0x18], 0xfde9
mov edi, eax
push 0
push dword [0x4e8c1c]
call dword [sym.imp.KERNEL32.dll_HeapFree]
jmp 0x4046f0
xor eax, eax
push eax
push eax
push eax
push dword [ebx]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
jmp 0x40460f
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov dword [ebx + 0x10], eax
test eax, eax
je 0x4046f0
push 0
lea ecx, [esp + 0x18]
push ecx
push edi
push eax
push dword [ebx]
call esi
mov edi, dword [esp + 0x14]
mov eax, dword [ebx + 0x10]
test eax, eax
je 0x404893
xor ecx, ecx
mov word [eax + edi], cx
mov esi, dword [ebx + 0x10]
lea eax, [esi + edi]
mov dword [ebx + 0x14], eax
cmp esi, eax
jae 0x404893
push 0x10
pop edi
mov al, byte [esi]
cmp al, 0x20
je 0x40471f
cmp al, 9
jne 0x404722
inc esi
jmp 0x404715
cmp al, 0x3b
jne 0x404770
inc esi
cmp byte [esi], 0x20
jne 0x40472d
inc esi
push edi
test ebp, ebp
je 0x40473a
push ebp
call fcn.0041b168
jmp 0x404743
lea eax, [ebx + 0x1c]
push eax
call fcn.00418531
lea ebp, [eax - 8]
pop ecx
pop ecx
mov dword [ebp + 8], 2
mov dword [ebp + 0xc], esi
jmp 0x404765
cmp al, 0xa
je 0x40483d
cmp al, 0xd
je 0x40483d
inc esi
mov al, byte [esi]
test al, al
jne 0x404754
jmp 0x40483d
cmp al, 0x5b
jne 0x4047d7
inc esi
push edi
test ebp, ebp
je 0x404782
push ebp
call fcn.0041b168
jmp 0x40478b
lea eax, [ebx + 0x1c]
push eax
call fcn.00418531
lea ebp, [eax - 8]
mov dword [ebp + 8], 1
mov dword [ebp + 0xc], esi
mov al, byte [esi]
pop ecx
pop ecx
test al, al
je 0x4047bc
mov cl, al
mov al, cl
cmp cl, 0x5d
je 0x4047bc
cmp cl, 0xa
je 0x4047bc
cmp cl, 0xd
je 0x4047bc
inc esi
mov al, byte [esi]
mov cl, al
test al, al
jne 0x4047a2
mov byte [esi], 0
inc esi
cmp al, 0x5d
jne 0x404841
jmp 0x4047cf
cmp al, 0xa
je 0x404841
cmp al, 0xd
je 0x404841
inc esi
mov al, byte [esi]
test al, al
jne 0x4047c6
jmp 0x404841
cmp al, 0xa
je 0x404841
cmp al, 0xd
je 0x404841
mov edx, esi
jmp 0x4047f2
cmp al, 0x3d
je 0x4047f6
cmp al, 0xd
je 0x4047f6
cmp al, 0xa
je 0x4047f6
inc esi
mov al, byte [esi]
test al, al
jne 0x4047e3
lea eax, [esi - 1]
jmp 0x404808
mov cl, byte [eax]
cmp cl, 0x20
je 0x404807
cmp cl, 9
jne 0x40480c
dec eax
cmp eax, edx
ja 0x4047fb
mov byte [eax + 1], 0
inc esi
mov al, byte [esi]
cmp al, 0x20
je 0x404810
cmp al, 9
je 0x404810
push esi
push edx
lea eax, [ebx + 0x1c]
push ebp
push eax
call fcn.004044d5
add esp, 0x10
mov ebp, eax
jmp 0x404837
cmp al, 0xa
je 0x40483d
cmp al, 0xd
je 0x40483d
inc esi
mov al, byte [esi]
test al, al
jne 0x40482e
mov byte [esi], 0
inc esi
mov al, byte [esi]
cmp al, 0xa
je 0x404840
cmp al, 0xd
je 0x404840
cmp esi, dword [ebx + 0x14]
jb 0x404715
jmp 0x404893
mov eax, dword [esp + 0x20]
and dword [ebx], ebp
push esi
mov dword [ebx + 0x2c], eax
mov dword [ebx + 0x18], 0xfde9
call fcn.004187f8
pop ecx
lea eax, [eax*2 + 2]
push eax
push 0
push dword [0x4e8c1c]
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov dword [ebx + 4], eax
test eax, eax
je 0x404893
push esi
push eax
call fcn.004187d6
pop ecx
pop ecx
mov eax, dword [ebx]
pop edi
pop esi
pop ebp
pop ebx
pop ecx
pop ecx
ret 0xc