Function at 0x4051e0
Capabilities:
Get file size
Read file on windows

Disassembly:
push ecx
push ecx
push ebx
push ebp
push esi
push edi
push dword [0x63bc24]
xor ebp, ebp
call fcn.0041578c
mov ebx, eax
call fcn.00405088
mov esi, dword [esp + 0x1c]
test esi, esi
jne 0x405207
mov esi, 0x51bdc0
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 0x40526f
push 0
push 0x80
push 3
push 0
push 1
push 0x80000000
push esi
call edi
mov dword [ebx], eax
cmp eax, 0xffffffff
jne 0x40525f
push 0
push 0x80
push 3
push 0
push 3
push 0x80000000
push esi
call edi
mov dword [ebx], eax
mov dword [ebx + 0xc], 1
cmp eax, 0xffffffff
je 0x405531
push 0
push eax
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp dword [esp + 0x24], 2
mov edi, eax
jne 0x405288
mov eax, 0xfde9
jmp 0x40528a
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 0x4052e2
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 0x40539b
push 3
lea eax, [esp + 0x14]
push 0x5116b0
push eax
call fcn.00417e7d
add esp, 0xc
test eax, eax
jne 0x40539b
mov dword [ebx + 0x18], 0xfde9
sub edi, 3
test edi, edi
jle 0x4053cb
lea eax, [edi + 2]
xor ecx, ecx
push eax
push ecx
push dword [0x639a98]
cmp dword [ebx + 0x18], ecx
jne 0x4053ad
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov esi, eax
mov dword [esp + 0x20], esi
test esi, esi
je 0x4053cb
lea eax, [edi*4 + 2]
push eax
push 0
push dword [0x639a98]
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov dword [ebx + 0x10], eax
test eax, eax
je 0x4053cb
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.004197a0
mov edi, eax
push edi
call fcn.00419820
mov esi, eax
push esi
push dword [ebx + 0x10]
call fcn.00419500
pop ecx
pop ecx
push esi
call fcn.00419720
push edi
call fcn.00419720
push dword [ebx + 0x10]
call fcn.00419600
pop ecx
push dword [esp + 0x20]
mov dword [ebx + 0x18], 0xfde9
mov edi, eax
push 0
push dword [0x639a98]
call dword [sym.imp.KERNEL32.dll_HeapFree]
jmp 0x4053cb
xor eax, eax
push eax
push eax
push eax
push dword [ebx]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
jmp 0x4052ea
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov dword [ebx + 0x10], eax
test eax, eax
je 0x4053cb
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 0x40556e
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 0x40556e
push 0x10
pop edi
mov al, byte [esi]
cmp al, 0x20
je 0x4053fa
cmp al, 9
jne 0x4053fd
inc esi
jmp 0x4053f0
cmp al, 0x3b
jne 0x40544b
inc esi
cmp byte [esi], 0x20
jne 0x405408
inc esi
push edi
test ebp, ebp
je 0x405415
push ebp
call fcn.00419954
jmp 0x40541e
lea eax, [ebx + 0x1c]
push eax
call fcn.00416b58
lea ebp, [eax - 8]
pop ecx
pop ecx
mov dword [ebp + 8], 2
mov dword [ebp + 0xc], esi
jmp 0x405440
cmp al, 0xa
je 0x405518
cmp al, 0xd
je 0x405518
inc esi
mov al, byte [esi]
test al, al
jne 0x40542f
jmp 0x405518
cmp al, 0x5b
jne 0x4054b2
inc esi
push edi
test ebp, ebp
je 0x40545d
push ebp
call fcn.00419954
jmp 0x405466
lea eax, [ebx + 0x1c]
push eax
call fcn.00416b58
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 0x405497
mov cl, al
mov al, cl
cmp cl, 0x5d
je 0x405497
cmp cl, 0xa
je 0x405497
cmp cl, 0xd
je 0x405497
inc esi
mov al, byte [esi]
mov cl, al
test al, al
jne 0x40547d
mov byte [esi], 0
inc esi
cmp al, 0x5d
jne 0x40551c
jmp 0x4054aa
cmp al, 0xa
je 0x40551c
cmp al, 0xd
je 0x40551c
inc esi
mov al, byte [esi]
test al, al
jne 0x4054a1
jmp 0x40551c
cmp al, 0xa
je 0x40551c
cmp al, 0xd
je 0x40551c
mov edx, esi
jmp 0x4054cd
cmp al, 0x3d
je 0x4054d1
cmp al, 0xd
je 0x4054d1
cmp al, 0xa
je 0x4054d1
inc esi
mov al, byte [esi]
test al, al
jne 0x4054be
lea eax, [esi - 1]
jmp 0x4054e3
mov cl, byte [eax]
cmp cl, 0x20
je 0x4054e2
cmp cl, 9
jne 0x4054e7
dec eax
cmp eax, edx
ja 0x4054d6
mov byte [eax + 1], 0
inc esi
mov al, byte [esi]
cmp al, 0x20
je 0x4054eb
cmp al, 9
je 0x4054eb
push esi
push edx
lea eax, [ebx + 0x1c]
push ebp
push eax
call fcn.004051b0
add esp, 0x10
mov ebp, eax
jmp 0x405512
cmp al, 0xa
je 0x405518
cmp al, 0xd
je 0x405518
inc esi
mov al, byte [esi]
test al, al
jne 0x405509
mov byte [esi], 0
inc esi
mov al, byte [esi]
cmp al, 0xa
je 0x40551b
cmp al, 0xd
je 0x40551b
cmp esi, dword [ebx + 0x14]
jb 0x4053f0
jmp 0x40556e
mov eax, dword [esp + 0x20]
and dword [ebx], ebp
push esi
mov dword [ebx + 0x2c], eax
mov dword [ebx + 0x18], 0xfde9
call fcn.00416cc4
pop ecx
lea eax, [eax*2 + 2]
push eax
push 0
push dword [0x639a98]
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov dword [ebx + 4], eax
test eax, eax
je 0x40556e
push esi
push eax
call fcn.00416ca2
pop ecx
pop ecx
mov eax, dword [ebx]
pop edi
pop esi
pop ebp
pop ebx
pop ecx
pop ecx
ret 0xc