Function at 0x4021a8
Capabilities:
Get file size
Read file on windows

Disassembly:
push ecx
push ecx
push ebx
push ebp
push esi
push edi
push dword [0x44c7a4]
xor ebp, ebp
call fcn.0040a36b
mov ebx, eax
call fcn.004020c9
mov esi, dword [esp + 0x1c]
test esi, esi
jne 0x4021cf
mov esi, 0x44280c
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 0x402237
push 0
push 0x80
push 3
push 0
push 1
push closesocket
push esi
call edi
mov dword [ebx], eax
cmp eax, 0xffffffff
jne 0x402227
push 0
push 0x80
push 3
push 0
push 3
push closesocket
push esi
call edi
mov dword [ebx], eax
mov dword [ebx + 0xc], 1
cmp eax, 0xffffffff
je 0x4024f9
push 0
push eax
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp dword [esp + 0x24], 2
mov edi, eax
jne 0x402250
mov eax, 0xfde9
jmp 0x402252
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 0x4022aa
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 0x402363
push 3
lea eax, [esp + 0x14]
push 0x43f34c
push eax
call fcn.0041211d
add esp, 0xc
test eax, eax
jne 0x402363
mov dword [ebx + 0x18], 0xfde9
sub edi, 3
test edi, edi
jle 0x402393
lea eax, [edi + 2]
xor ecx, ecx
push eax
push ecx
push dword [0x44bf74]
cmp dword [ebx + 0x18], ecx
jne 0x402375
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov esi, eax
mov dword [esp + 0x20], esi
test esi, esi
je 0x402393
lea eax, [edi*4 + 2]
push eax
push 0
push dword [0x44bf74]
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov dword [ebx + 0x10], eax
test eax, eax
je 0x402393
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.00413a30
mov edi, eax
push edi
call fcn.0040d210
mov esi, eax
push esi
push dword [ebx + 0x10]
call fcn.004137a0
pop ecx
pop ecx
push esi
call fcn.0040d2a0
push edi
call fcn.0040d2a0
push dword [ebx + 0x10]
call fcn.004138a0
pop ecx
push dword [esp + 0x20]
mov dword [ebx + 0x18], 0xfde9
mov edi, eax
push 0
push dword [0x44bf74]
call dword [sym.imp.KERNEL32.dll_HeapFree]
jmp 0x402393
xor eax, eax
push eax
push eax
push eax
push dword [ebx]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
jmp 0x4022b2
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov dword [ebx + 0x10], eax
test eax, eax
je 0x402393
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 0x402536
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 0x402536
push 0x10
pop edi
mov al, byte [esi]
cmp al, 0x20
je 0x4023c2
cmp al, 9
jne 0x4023c5
inc esi
jmp 0x4023b8
cmp al, 0x3b
jne 0x402413
inc esi
cmp byte [esi], 0x20
jne 0x4023d0
inc esi
push edi
test ebp, ebp
je 0x4023dd
push ebp
call fcn.00413af4
jmp 0x4023e6
lea eax, [ebx + 0x1c]
push eax
call fcn.004111cb
lea ebp, [eax - 8]
pop ecx
pop ecx
mov dword [ebp + 8], 2
mov dword [ebp + 0xc], esi
jmp 0x402408
cmp al, 0xa
je 0x4024e0
cmp al, 0xd
je 0x4024e0
inc esi
mov al, byte [esi]
test al, al
jne 0x4023f7
jmp 0x4024e0
cmp al, 0x5b
jne 0x40247a
inc esi
push edi
test ebp, ebp
je 0x402425
push ebp
call fcn.00413af4
jmp 0x40242e
lea eax, [ebx + 0x1c]
push eax
call fcn.004111cb
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 0x40245f
mov cl, al
mov al, cl
cmp cl, 0x5d
je 0x40245f
cmp cl, 0xa
je 0x40245f
cmp cl, 0xd
je 0x40245f
inc esi
mov al, byte [esi]
mov cl, al
test al, al
jne 0x402445
mov byte [esi], 0
inc esi
cmp al, 0x5d
jne 0x4024e4
jmp 0x402472
cmp al, 0xa
je 0x4024e4
cmp al, 0xd
je 0x4024e4
inc esi
mov al, byte [esi]
test al, al
jne 0x402469
jmp 0x4024e4
cmp al, 0xa
je 0x4024e4
cmp al, 0xd
je 0x4024e4
mov edx, esi
jmp 0x402495
cmp al, 0x3d
je 0x402499
cmp al, 0xd
je 0x402499
cmp al, 0xa
je 0x402499
inc esi
mov al, byte [esi]
test al, al
jne 0x402486
lea eax, [esi - 1]
jmp 0x4024ab
mov cl, byte [eax]
cmp cl, 0x20
je 0x4024aa
cmp cl, 9
jne 0x4024af
dec eax
cmp eax, edx
ja 0x40249e
mov byte [eax + 1], 0
inc esi
mov al, byte [esi]
cmp al, 0x20
je 0x4024b3
cmp al, 9
je 0x4024b3
push esi
push edx
lea eax, [ebx + 0x1c]
push ebp
push eax
call fcn.00402178
add esp, 0x10
mov ebp, eax
jmp 0x4024da
cmp al, 0xa
je 0x4024e0
cmp al, 0xd
je 0x4024e0
inc esi
mov al, byte [esi]
test al, al
jne 0x4024d1
mov byte [esi], 0
inc esi
mov al, byte [esi]
cmp al, 0xa
je 0x4024e3
cmp al, 0xd
je 0x4024e3
cmp esi, dword [ebx + 0x14]
jb 0x4023b8
jmp 0x402536
mov eax, dword [esp + 0x20]
and dword [ebx], ebp
push esi
mov dword [ebx + 0x2c], eax
mov dword [ebx + 0x18], 0xfde9
call fcn.00411bd7
pop ecx
lea eax, [eax*2 + 2]
push eax
push 0
push dword [0x44bf74]
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov dword [ebx + 4], eax
test eax, eax
je 0x402536
push esi
push eax
call fcn.00411bb5
pop ecx
pop ecx
mov eax, dword [ebx]
pop edi
pop esi
pop ebp
pop ebx
pop ecx
pop ecx
ret 0xc